b69e6dcead
This allows providing custom argument formatters without relying on internal APIs (#235).
1713 lines
61 KiB
C++
1713 lines
61 KiB
C++
/*
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Formatting library tests.
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Copyright (c) 2012-2014, Victor Zverovich
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cctype>
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#include <cfloat>
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#include <climits>
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#include <clocale>
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#include <cmath>
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#include <cstring>
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#include <fstream>
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#include <iomanip>
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#include <memory>
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#include <sstream>
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#include <stdint.h>
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#if FMT_USE_TYPE_TRAITS
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# include <type_traits>
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#endif
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#include "gmock/gmock.h"
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// Test that the library compiles if None is defined to 0 as done by xlib.h.
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#define None 0
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#include "cppformat/format.h"
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#include "util.h"
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#include "mock-allocator.h"
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#include "gtest-extra.h"
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#undef min
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#undef max
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using std::size_t;
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using fmt::BasicWriter;
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using fmt::format;
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using fmt::FormatError;
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using fmt::StringRef;
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using fmt::CStringRef;
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using fmt::MemoryWriter;
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using fmt::WMemoryWriter;
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using fmt::pad;
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namespace {
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// Format value using the standard library.
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template <typename Char, typename T>
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void std_format(const T &value, std::basic_string<Char> &result) {
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std::basic_ostringstream<Char> os;
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os << value;
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result = os.str();
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}
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#ifdef __MINGW32__
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// Workaround a bug in formatting long double in MinGW.
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void std_format(long double value, std::string &result) {
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char buffer[100];
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safe_sprintf(buffer, "%Lg", value);
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result = buffer;
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}
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void std_format(long double value, std::wstring &result) {
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wchar_t buffer[100];
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swprintf(buffer, L"%Lg", value);
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result = buffer;
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}
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#endif
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// Checks if writing value to BasicWriter<Char> produces the same result
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// as writing it to std::basic_ostringstream<Char>.
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template <typename Char, typename T>
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::testing::AssertionResult check_write(const T &value, const char *type) {
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std::basic_string<Char> actual =
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(fmt::BasicMemoryWriter<Char>() << value).str();
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std::basic_string<Char> expected;
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std_format(value, expected);
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if (expected == actual)
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return ::testing::AssertionSuccess();
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return ::testing::AssertionFailure()
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<< "Value of: (Writer<" << type << ">() << value).str()\n"
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<< " Actual: " << actual << "\n"
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<< "Expected: " << expected << "\n";
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}
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struct AnyWriteChecker {
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template <typename T>
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::testing::AssertionResult operator()(const char *, const T &value) const {
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::testing::AssertionResult result = check_write<char>(value, "char");
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return result ? check_write<wchar_t>(value, "wchar_t") : result;
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}
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};
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template <typename Char>
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struct WriteChecker {
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template <typename T>
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::testing::AssertionResult operator()(const char *, const T &value) const {
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return check_write<Char>(value, "char");
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}
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};
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// Checks if writing value to BasicWriter produces the same result
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// as writing it to std::ostringstream both for char and wchar_t.
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#define CHECK_WRITE(value) EXPECT_PRED_FORMAT1(AnyWriteChecker(), value)
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#define CHECK_WRITE_CHAR(value) \
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EXPECT_PRED_FORMAT1(WriteChecker<char>(), value)
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#define CHECK_WRITE_WCHAR(value) \
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EXPECT_PRED_FORMAT1(WriteChecker<wchar_t>(), value)
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} // namespace
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TEST(StringRefTest, Ctor) {
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EXPECT_STREQ("abc", StringRef("abc").data());
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EXPECT_EQ(3u, StringRef("abc").size());
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EXPECT_STREQ("defg", StringRef(std::string("defg")).data());
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EXPECT_EQ(4u, StringRef(std::string("defg")).size());
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}
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TEST(StringRefTest, ConvertToString) {
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std::string s = StringRef("abc").to_string();
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EXPECT_EQ("abc", s);
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}
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TEST(CStringRefTest, Ctor) {
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EXPECT_STREQ("abc", CStringRef("abc").c_str());
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EXPECT_STREQ("defg", CStringRef(std::string("defg")).c_str());
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}
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#if FMT_USE_TYPE_TRAITS
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TEST(WriterTest, NotCopyConstructible) {
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EXPECT_FALSE(std::is_copy_constructible<BasicWriter<char> >::value);
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}
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TEST(WriterTest, NotCopyAssignable) {
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EXPECT_FALSE(std::is_copy_assignable<BasicWriter<char> >::value);
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}
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#endif
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TEST(WriterTest, Ctor) {
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MemoryWriter w;
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EXPECT_EQ(0u, w.size());
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EXPECT_STREQ("", w.c_str());
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EXPECT_EQ("", w.str());
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}
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#if FMT_USE_RVALUE_REFERENCES
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void check_move_writer(const std::string &str, MemoryWriter &w) {
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MemoryWriter w2(std::move(w));
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// Move shouldn't destroy the inline content of the first writer.
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EXPECT_EQ(str, w.str());
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EXPECT_EQ(str, w2.str());
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}
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TEST(WriterTest, MoveCtor) {
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MemoryWriter w;
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w << "test";
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check_move_writer("test", w);
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// This fills the inline buffer, but doesn't cause dynamic allocation.
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std::string s;
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for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE; ++i)
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s += '*';
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w.clear();
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w << s;
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check_move_writer(s, w);
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const char *inline_buffer_ptr = w.data();
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// Adding one more character causes the content to move from the inline to
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// a dynamically allocated buffer.
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w << '*';
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MemoryWriter w2(std::move(w));
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// Move should rip the guts of the first writer.
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EXPECT_EQ(inline_buffer_ptr, w.data());
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EXPECT_EQ(s + '*', w2.str());
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}
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void CheckMoveAssignWriter(const std::string &str, MemoryWriter &w) {
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MemoryWriter w2;
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w2 = std::move(w);
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// Move shouldn't destroy the inline content of the first writer.
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EXPECT_EQ(str, w.str());
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EXPECT_EQ(str, w2.str());
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}
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TEST(WriterTest, MoveAssignment) {
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MemoryWriter w;
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w << "test";
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CheckMoveAssignWriter("test", w);
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// This fills the inline buffer, but doesn't cause dynamic allocation.
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std::string s;
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for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE; ++i)
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s += '*';
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w.clear();
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w << s;
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CheckMoveAssignWriter(s, w);
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const char *inline_buffer_ptr = w.data();
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// Adding one more character causes the content to move from the inline to
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// a dynamically allocated buffer.
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w << '*';
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MemoryWriter w2;
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w2 = std::move(w);
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// Move should rip the guts of the first writer.
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EXPECT_EQ(inline_buffer_ptr, w.data());
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EXPECT_EQ(s + '*', w2.str());
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}
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#endif // FMT_USE_RVALUE_REFERENCES
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TEST(WriterTest, Allocator) {
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typedef testing::StrictMock< MockAllocator<char> > MockAllocator;
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typedef AllocatorRef<MockAllocator> TestAllocator;
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MockAllocator alloc;
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fmt::BasicMemoryWriter<char, TestAllocator> w((TestAllocator(&alloc)));
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std::size_t size =
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static_cast<std::size_t>(1.5 * fmt::internal::INLINE_BUFFER_SIZE);
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std::vector<char> mem(size);
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EXPECT_CALL(alloc, allocate(size)).WillOnce(testing::Return(&mem[0]));
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for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE + 1; ++i)
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w << '*';
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EXPECT_CALL(alloc, deallocate(&mem[0], size));
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}
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TEST(WriterTest, Data) {
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MemoryWriter w;
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w << 42;
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EXPECT_EQ("42", std::string(w.data(), w.size()));
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}
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TEST(WriterTest, WriteWithoutArgs) {
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MemoryWriter w;
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w.write("test");
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EXPECT_EQ("test", std::string(w.data(), w.size()));
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}
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TEST(WriterTest, WriteInt) {
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CHECK_WRITE(42);
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CHECK_WRITE(-42);
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CHECK_WRITE(static_cast<short>(12));
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CHECK_WRITE(34u);
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CHECK_WRITE(std::numeric_limits<int>::min());
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CHECK_WRITE(std::numeric_limits<int>::max());
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CHECK_WRITE(std::numeric_limits<unsigned>::max());
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}
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TEST(WriterTest, WriteLong) {
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CHECK_WRITE(56l);
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CHECK_WRITE(78ul);
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CHECK_WRITE(std::numeric_limits<long>::min());
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CHECK_WRITE(std::numeric_limits<long>::max());
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CHECK_WRITE(std::numeric_limits<unsigned long>::max());
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}
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TEST(WriterTest, WriteLongLong) {
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CHECK_WRITE(56ll);
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CHECK_WRITE(78ull);
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CHECK_WRITE(std::numeric_limits<long long>::min());
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CHECK_WRITE(std::numeric_limits<long long>::max());
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CHECK_WRITE(std::numeric_limits<unsigned long long>::max());
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}
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TEST(WriterTest, WriteDouble) {
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CHECK_WRITE(4.2);
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CHECK_WRITE(-4.2);
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CHECK_WRITE(std::numeric_limits<double>::min());
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CHECK_WRITE(std::numeric_limits<double>::max());
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}
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TEST(WriterTest, WriteLongDouble) {
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CHECK_WRITE(4.2l);
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CHECK_WRITE_CHAR(-4.2l);
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std::wstring str;
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std_format(4.2l, str);
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if (str[0] != '-')
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CHECK_WRITE_WCHAR(-4.2l);
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else
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fmt::print("warning: long double formatting with std::swprintf is broken");
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CHECK_WRITE(std::numeric_limits<long double>::min());
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CHECK_WRITE(std::numeric_limits<long double>::max());
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}
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TEST(WriterTest, WriteDoubleAtBufferBoundary) {
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MemoryWriter writer;
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for (int i = 0; i < 100; ++i)
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writer << 1.23456789;
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}
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TEST(WriterTest, WriteDoubleWithFilledBuffer) {
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MemoryWriter writer;
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// Fill the buffer.
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for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE; ++i)
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writer << ' ';
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writer << 1.2;
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EXPECT_STREQ("1.2", writer.c_str() + fmt::internal::INLINE_BUFFER_SIZE);
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}
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TEST(WriterTest, WriteChar) {
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CHECK_WRITE('a');
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}
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TEST(WriterTest, WriteWideChar) {
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CHECK_WRITE_WCHAR(L'a');
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}
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TEST(WriterTest, WriteString) {
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CHECK_WRITE_CHAR("abc");
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CHECK_WRITE_WCHAR("abc");
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// The following line shouldn't compile:
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//MemoryWriter() << L"abc";
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}
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TEST(WriterTest, WriteWideString) {
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CHECK_WRITE_WCHAR(L"abc");
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// The following line shouldn't compile:
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//fmt::WMemoryWriter() << "abc";
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}
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TEST(WriterTest, bin) {
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using fmt::bin;
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EXPECT_EQ("1100101011111110", (MemoryWriter() << bin(0xcafe)).str());
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EXPECT_EQ("1011101010111110", (MemoryWriter() << bin(0xbabeu)).str());
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EXPECT_EQ("1101111010101101", (MemoryWriter() << bin(0xdeadl)).str());
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EXPECT_EQ("1011111011101111", (MemoryWriter() << bin(0xbeeful)).str());
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EXPECT_EQ("11001010111111101011101010111110",
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(MemoryWriter() << bin(0xcafebabell)).str());
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EXPECT_EQ("11011110101011011011111011101111",
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(MemoryWriter() << bin(0xdeadbeefull)).str());
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}
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TEST(WriterTest, oct) {
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using fmt::oct;
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EXPECT_EQ("12", (MemoryWriter() << oct(static_cast<short>(012))).str());
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EXPECT_EQ("12", (MemoryWriter() << oct(012)).str());
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EXPECT_EQ("34", (MemoryWriter() << oct(034u)).str());
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EXPECT_EQ("56", (MemoryWriter() << oct(056l)).str());
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EXPECT_EQ("70", (MemoryWriter() << oct(070ul)).str());
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EXPECT_EQ("1234", (MemoryWriter() << oct(01234ll)).str());
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EXPECT_EQ("5670", (MemoryWriter() << oct(05670ull)).str());
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}
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TEST(WriterTest, hex) {
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using fmt::hex;
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fmt::IntFormatSpec<int, fmt::TypeSpec<'x'> > (*phex)(int value) = hex;
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phex(42);
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// This shouldn't compile:
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//fmt::IntFormatSpec<short, fmt::TypeSpec<'x'> > (*phex2)(short value) = hex;
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EXPECT_EQ("cafe", (MemoryWriter() << hex(0xcafe)).str());
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EXPECT_EQ("babe", (MemoryWriter() << hex(0xbabeu)).str());
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EXPECT_EQ("dead", (MemoryWriter() << hex(0xdeadl)).str());
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EXPECT_EQ("beef", (MemoryWriter() << hex(0xbeeful)).str());
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EXPECT_EQ("cafebabe", (MemoryWriter() << hex(0xcafebabell)).str());
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EXPECT_EQ("deadbeef", (MemoryWriter() << hex(0xdeadbeefull)).str());
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}
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TEST(WriterTest, hexu) {
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using fmt::hexu;
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EXPECT_EQ("CAFE", (MemoryWriter() << hexu(0xcafe)).str());
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EXPECT_EQ("BABE", (MemoryWriter() << hexu(0xbabeu)).str());
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EXPECT_EQ("DEAD", (MemoryWriter() << hexu(0xdeadl)).str());
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EXPECT_EQ("BEEF", (MemoryWriter() << hexu(0xbeeful)).str());
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EXPECT_EQ("CAFEBABE", (MemoryWriter() << hexu(0xcafebabell)).str());
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EXPECT_EQ("DEADBEEF", (MemoryWriter() << hexu(0xdeadbeefull)).str());
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}
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class Date {
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int year_, month_, day_;
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public:
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Date(int year, int month, int day) : year_(year), month_(month), day_(day) {}
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int year() const { return year_; }
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int month() const { return month_; }
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int day() const { return day_; }
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friend std::ostream &operator<<(std::ostream &os, const Date &d) {
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os << d.year_ << '-' << d.month_ << '-' << d.day_;
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return os;
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}
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friend std::wostream &operator<<(std::wostream &os, const Date &d) {
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os << d.year_ << L'-' << d.month_ << L'-' << d.day_;
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return os;
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}
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template <typename Char>
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friend BasicWriter<Char> &operator<<(BasicWriter<Char> &f, const Date &d) {
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return f << d.year_ << '-' << d.month_ << '-' << d.day_;
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}
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};
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class ISO8601DateFormatter {
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const Date *date_;
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public:
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ISO8601DateFormatter(const Date &d) : date_(&d) {}
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template <typename Char>
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friend BasicWriter<Char> &operator<<(
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BasicWriter<Char> &w, const ISO8601DateFormatter &d) {
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return w << pad(d.date_->year(), 4, '0') << '-'
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<< pad(d.date_->month(), 2, '0') << '-' << pad(d.date_->day(), 2, '0');
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}
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};
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ISO8601DateFormatter iso8601(const Date &d) { return ISO8601DateFormatter(d); }
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TEST(WriterTest, pad) {
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using fmt::hex;
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EXPECT_EQ(" cafe", (MemoryWriter() << pad(hex(0xcafe), 8)).str());
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EXPECT_EQ(" babe", (MemoryWriter() << pad(hex(0xbabeu), 8)).str());
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EXPECT_EQ(" dead", (MemoryWriter() << pad(hex(0xdeadl), 8)).str());
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EXPECT_EQ(" beef", (MemoryWriter() << pad(hex(0xbeeful), 8)).str());
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EXPECT_EQ(" dead", (MemoryWriter() << pad(hex(0xdeadll), 8)).str());
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EXPECT_EQ(" beef", (MemoryWriter() << pad(hex(0xbeefull), 8)).str());
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EXPECT_EQ(" 11", (MemoryWriter() << pad(11, 7)).str());
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EXPECT_EQ(" 22", (MemoryWriter() << pad(22u, 7)).str());
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EXPECT_EQ(" 33", (MemoryWriter() << pad(33l, 7)).str());
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EXPECT_EQ(" 44", (MemoryWriter() << pad(44ul, 7)).str());
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EXPECT_EQ(" 33", (MemoryWriter() << pad(33ll, 7)).str());
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EXPECT_EQ(" 44", (MemoryWriter() << pad(44ull, 7)).str());
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MemoryWriter w;
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w.clear();
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w << pad(42, 5, '0');
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EXPECT_EQ("00042", w.str());
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w.clear();
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w << Date(2012, 12, 9);
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EXPECT_EQ("2012-12-9", w.str());
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w.clear();
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w << iso8601(Date(2012, 1, 9));
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EXPECT_EQ("2012-01-09", w.str());
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}
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TEST(WriterTest, PadString) {
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EXPECT_EQ("test ", (MemoryWriter() << pad("test", 8)).str());
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EXPECT_EQ("test******", (MemoryWriter() << pad("test", 10, '*')).str());
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}
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TEST(WriterTest, PadWString) {
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EXPECT_EQ(L"test ", (WMemoryWriter() << pad(L"test", 8)).str());
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EXPECT_EQ(L"test******", (WMemoryWriter() << pad(L"test", 10, '*')).str());
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EXPECT_EQ(L"test******", (WMemoryWriter() << pad(L"test", 10, L'*')).str());
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}
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TEST(WriterTest, NoConflictWithIOManip) {
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using namespace std;
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using namespace fmt;
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EXPECT_EQ("cafe", (MemoryWriter() << hex(0xcafe)).str());
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EXPECT_EQ("12", (MemoryWriter() << oct(012)).str());
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}
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TEST(WriterTest, Format) {
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|
MemoryWriter w;
|
|
w.write("part{0}", 1);
|
|
EXPECT_EQ(strlen("part1"), w.size());
|
|
EXPECT_STREQ("part1", w.c_str());
|
|
EXPECT_STREQ("part1", w.data());
|
|
EXPECT_EQ("part1", w.str());
|
|
w.write("part{0}", 2);
|
|
EXPECT_EQ(strlen("part1part2"), w.size());
|
|
EXPECT_STREQ("part1part2", w.c_str());
|
|
EXPECT_STREQ("part1part2", w.data());
|
|
EXPECT_EQ("part1part2", w.str());
|
|
}
|
|
|
|
TEST(WriterTest, WWriter) {
|
|
EXPECT_EQ(L"cafe", (fmt::WMemoryWriter() << fmt::hex(0xcafe)).str());
|
|
}
|
|
|
|
TEST(ArrayWriterTest, Ctor) {
|
|
char array[10] = "garbage";
|
|
fmt::ArrayWriter w(array, sizeof(array));
|
|
EXPECT_EQ(0u, w.size());
|
|
EXPECT_STREQ("", w.c_str());
|
|
}
|
|
|
|
TEST(ArrayWriterTest, CompileTimeSizeCtor) {
|
|
char array[10] = "garbage";
|
|
fmt::ArrayWriter w(array);
|
|
EXPECT_EQ(0u, w.size());
|
|
EXPECT_STREQ("", w.c_str());
|
|
w.write("{:10}", 1);
|
|
}
|
|
|
|
TEST(ArrayWriterTest, Write) {
|
|
char array[10];
|
|
fmt::ArrayWriter w(array, sizeof(array));
|
|
w.write("{}", 42);
|
|
EXPECT_EQ("42", w.str());
|
|
}
|
|
|
|
TEST(ArrayWriterTest, BufferOverflow) {
|
|
char array[10];
|
|
fmt::ArrayWriter w(array, sizeof(array));
|
|
w.write("{:10}", 1);
|
|
EXPECT_THROW_MSG(w.write("{}", 1), std::runtime_error, "buffer overflow");
|
|
}
|
|
|
|
TEST(ArrayWriterTest, WChar) {
|
|
wchar_t array[10];
|
|
fmt::WArrayWriter w(array);
|
|
w.write(L"{}", 42);
|
|
EXPECT_EQ(L"42", w.str());
|
|
}
|
|
|
|
TEST(FormatterTest, Escape) {
|
|
EXPECT_EQ("{", format("{{"));
|
|
EXPECT_EQ("before {", format("before {{"));
|
|
EXPECT_EQ("{ after", format("{{ after"));
|
|
EXPECT_EQ("before { after", format("before {{ after"));
|
|
|
|
EXPECT_EQ("}", format("}}"));
|
|
EXPECT_EQ("before }", format("before }}"));
|
|
EXPECT_EQ("} after", format("}} after"));
|
|
EXPECT_EQ("before } after", format("before }} after"));
|
|
|
|
EXPECT_EQ("{}", format("{{}}"));
|
|
EXPECT_EQ("{42}", format("{{{0}}}", 42));
|
|
}
|
|
|
|
TEST(FormatterTest, UnmatchedBraces) {
|
|
EXPECT_THROW_MSG(format("{"), FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("}"), FormatError, "unmatched '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0{}"), FormatError, "invalid format string");
|
|
}
|
|
|
|
TEST(FormatterTest, NoArgs) {
|
|
EXPECT_EQ("test", format("test"));
|
|
}
|
|
|
|
TEST(FormatterTest, ArgsInDifferentPositions) {
|
|
EXPECT_EQ("42", format("{0}", 42));
|
|
EXPECT_EQ("before 42", format("before {0}", 42));
|
|
EXPECT_EQ("42 after", format("{0} after", 42));
|
|
EXPECT_EQ("before 42 after", format("before {0} after", 42));
|
|
EXPECT_EQ("answer = 42", format("{0} = {1}", "answer", 42));
|
|
EXPECT_EQ("42 is the answer", format("{1} is the {0}", "answer", 42));
|
|
EXPECT_EQ("abracadabra", format("{0}{1}{0}", "abra", "cad"));
|
|
}
|
|
|
|
TEST(FormatterTest, ArgErrors) {
|
|
EXPECT_THROW_MSG(format("{"), FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{?}"), FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0"), FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0}"), FormatError, "argument index out of range");
|
|
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{%u", INT_MAX);
|
|
EXPECT_THROW_MSG(format(format_str), FormatError, "invalid format string");
|
|
safe_sprintf(format_str, "{%u}", INT_MAX);
|
|
EXPECT_THROW_MSG(format(format_str), FormatError,
|
|
"argument index out of range");
|
|
|
|
safe_sprintf(format_str, "{%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str), FormatError, "number is too big");
|
|
safe_sprintf(format_str, "{%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str), FormatError, "number is too big");
|
|
}
|
|
|
|
#if FMT_USE_VARIADIC_TEMPLATES
|
|
template <int N>
|
|
struct TestFormat {
|
|
template <typename... Args>
|
|
static std::string format(fmt::CStringRef format_str, const Args & ... args) {
|
|
return TestFormat<N - 1>::format(format_str, N - 1, args...);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct TestFormat<0> {
|
|
template <typename... Args>
|
|
static std::string format(fmt::CStringRef format_str, const Args & ... args) {
|
|
return fmt::format(format_str, args...);
|
|
}
|
|
};
|
|
|
|
TEST(FormatterTest, ManyArgs) {
|
|
EXPECT_EQ("19", TestFormat<20>::format("{19}"));
|
|
EXPECT_THROW_MSG(TestFormat<20>::format("{20}"),
|
|
FormatError, "argument index out of range");
|
|
EXPECT_THROW_MSG(TestFormat<21>::format("{21}"),
|
|
FormatError, "argument index out of range");
|
|
enum { MAX_PACKED_ARGS = fmt::ArgList::MAX_PACKED_ARGS };
|
|
std::string format_str = fmt::format("{{{}}}", MAX_PACKED_ARGS + 1);
|
|
EXPECT_THROW_MSG(TestFormat<MAX_PACKED_ARGS>::format(format_str),
|
|
FormatError, "argument index out of range");
|
|
}
|
|
#endif
|
|
|
|
TEST(FormatterTest, NamedArg) {
|
|
EXPECT_EQ("1/a/A", format("{_1}/{a_}/{A_}", fmt::arg("a_", 'a'),
|
|
fmt::arg("A_", "A"), fmt::arg("_1", 1)));
|
|
char a = 'A', b = 'B', c = 'C';
|
|
EXPECT_EQ("BB/AA/CC", format("{1}{b}/{0}{a}/{2}{c}", FMT_CAPTURE(a, b, c)));
|
|
EXPECT_EQ(" A", format("{a:>2}", FMT_CAPTURE(a)));
|
|
EXPECT_THROW_MSG(format("{a+}", FMT_CAPTURE(a)), FormatError,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{a}"), FormatError, "argument not found");
|
|
EXPECT_THROW_MSG(format("{d}", FMT_CAPTURE(a, b, c)), FormatError,
|
|
"argument not found");
|
|
EXPECT_THROW_MSG(format("{a}{}", FMT_CAPTURE(a)),
|
|
FormatError, "cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{}{a}", FMT_CAPTURE(a)),
|
|
FormatError, "cannot switch from automatic to manual argument indexing");
|
|
EXPECT_EQ(" -42", format("{0:{width}}", -42, fmt::arg("width", 4)));
|
|
EXPECT_EQ("st", format("{0:.{precision}}", "str", fmt::arg("precision", 2)));
|
|
int n = 100;
|
|
EXPECT_EQ(L"n=100", format(L"n={n}", FMT_CAPTURE_W(n)));
|
|
}
|
|
|
|
TEST(FormatterTest, AutoArgIndex) {
|
|
EXPECT_EQ("abc", format("{}{}{}", 'a', 'b', 'c'));
|
|
EXPECT_THROW_MSG(format("{0}{}", 'a', 'b'),
|
|
FormatError, "cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{}{0}", 'a', 'b'),
|
|
FormatError, "cannot switch from automatic to manual argument indexing");
|
|
EXPECT_EQ("1.2", format("{:.{}}", 1.2345, 2));
|
|
EXPECT_THROW_MSG(format("{0}:.{}", 1.2345, 2),
|
|
FormatError, "cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{:.{0}}", 1.2345, 2),
|
|
FormatError, "cannot switch from automatic to manual argument indexing");
|
|
EXPECT_THROW_MSG(format("{}"), FormatError, "argument index out of range");
|
|
}
|
|
|
|
TEST(FormatterTest, EmptySpecs) {
|
|
EXPECT_EQ("42", format("{0:}", 42));
|
|
}
|
|
|
|
TEST(FormatterTest, LeftAlign) {
|
|
EXPECT_EQ("42 ", format("{0:<4}", 42));
|
|
EXPECT_EQ("42 ", format("{0:<4o}", 042));
|
|
EXPECT_EQ("42 ", format("{0:<4x}", 0x42));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42));
|
|
EXPECT_EQ("42 ", format("{0:<5}", 42u));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42l));
|
|
EXPECT_EQ("42 ", format("{0:<5}", 42ul));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42ll));
|
|
EXPECT_EQ("42 ", format("{0:<5}", 42ull));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42.0));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42.0l));
|
|
EXPECT_EQ("c ", format("{0:<5}", 'c'));
|
|
EXPECT_EQ("abc ", format("{0:<5}", "abc"));
|
|
EXPECT_EQ("0xface ", format("{0:<8}", reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ("def ", format("{0:<5}", TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, RightAlign) {
|
|
EXPECT_EQ(" 42", format("{0:>4}", 42));
|
|
EXPECT_EQ(" 42", format("{0:>4o}", 042));
|
|
EXPECT_EQ(" 42", format("{0:>4x}", 0x42));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42));
|
|
EXPECT_EQ(" 42", format("{0:>5}", 42u));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42l));
|
|
EXPECT_EQ(" 42", format("{0:>5}", 42ul));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42ll));
|
|
EXPECT_EQ(" 42", format("{0:>5}", 42ull));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42.0));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42.0l));
|
|
EXPECT_EQ(" c", format("{0:>5}", 'c'));
|
|
EXPECT_EQ(" abc", format("{0:>5}", "abc"));
|
|
EXPECT_EQ(" 0xface", format("{0:>8}", reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ(" def", format("{0:>5}", TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, NumericAlign) {
|
|
EXPECT_EQ(" 42", format("{0:=4}", 42));
|
|
EXPECT_EQ("+ 42", format("{0:=+4}", 42));
|
|
EXPECT_EQ(" 42", format("{0:=4o}", 042));
|
|
EXPECT_EQ("+ 42", format("{0:=+4o}", 042));
|
|
EXPECT_EQ(" 42", format("{0:=4x}", 0x42));
|
|
EXPECT_EQ("+ 42", format("{0:=+4x}", 0x42));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42));
|
|
EXPECT_EQ(" 42", format("{0:=5}", 42u));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42l));
|
|
EXPECT_EQ(" 42", format("{0:=5}", 42ul));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42ll));
|
|
EXPECT_EQ(" 42", format("{0:=5}", 42ull));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42.0));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42.0l));
|
|
EXPECT_THROW_MSG(format("{0:=5", 'c'),
|
|
FormatError, "missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:=5}", 'c'),
|
|
FormatError, "invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:=5}", "abc"),
|
|
FormatError, "format specifier '=' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:=8}", reinterpret_cast<void*>(0xface)),
|
|
FormatError, "format specifier '=' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:=5}", TestString("def")),
|
|
FormatError, "format specifier '=' requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, CenterAlign) {
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42));
|
|
EXPECT_EQ(" 42 ", format("{0:^5o}", 042));
|
|
EXPECT_EQ(" 42 ", format("{0:^5x}", 0x42));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42));
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42u));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42l));
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42ul));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42ll));
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42ull));
|
|
EXPECT_EQ(" -42 ", format("{0:^6}", -42.0));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42.0l));
|
|
EXPECT_EQ(" c ", format("{0:^5}", 'c'));
|
|
EXPECT_EQ(" abc ", format("{0:^6}", "abc"));
|
|
EXPECT_EQ(" 0xface ", format("{0:^8}", reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ(" def ", format("{0:^5}", TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, Fill) {
|
|
EXPECT_THROW_MSG(format("{0:{<5}", 'c'),
|
|
FormatError, "invalid fill character '{'");
|
|
EXPECT_THROW_MSG(format("{0:{<5}}", 'c'),
|
|
FormatError, "invalid fill character '{'");
|
|
EXPECT_EQ("**42", format("{0:*>4}", 42));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42));
|
|
EXPECT_EQ("***42", format("{0:*>5}", 42u));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42l));
|
|
EXPECT_EQ("***42", format("{0:*>5}", 42ul));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42ll));
|
|
EXPECT_EQ("***42", format("{0:*>5}", 42ull));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42.0));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42.0l));
|
|
EXPECT_EQ("c****", format("{0:*<5}", 'c'));
|
|
EXPECT_EQ("abc**", format("{0:*<5}", "abc"));
|
|
EXPECT_EQ("**0xface", format("{0:*>8}", reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ("def**", format("{0:*<5}", TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, PlusSign) {
|
|
EXPECT_EQ("+42", format("{0:+}", 42));
|
|
EXPECT_EQ("-42", format("{0:+}", -42));
|
|
EXPECT_EQ("+42", format("{0:+}", 42));
|
|
EXPECT_THROW_MSG(format("{0:+}", 42u),
|
|
FormatError, "format specifier '+' requires signed argument");
|
|
EXPECT_EQ("+42", format("{0:+}", 42l));
|
|
EXPECT_THROW_MSG(format("{0:+}", 42ul),
|
|
FormatError, "format specifier '+' requires signed argument");
|
|
EXPECT_EQ("+42", format("{0:+}", 42ll));
|
|
EXPECT_THROW_MSG(format("{0:+}", 42ull),
|
|
FormatError, "format specifier '+' requires signed argument");
|
|
EXPECT_EQ("+42", format("{0:+}", 42.0));
|
|
EXPECT_EQ("+42", format("{0:+}", 42.0l));
|
|
EXPECT_THROW_MSG(format("{0:+", 'c'),
|
|
FormatError, "missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:+}", 'c'),
|
|
FormatError, "invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:+}", "abc"),
|
|
FormatError, "format specifier '+' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:+}", reinterpret_cast<void*>(0x42)),
|
|
FormatError, "format specifier '+' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:+}", TestString()),
|
|
FormatError, "format specifier '+' requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, MinusSign) {
|
|
EXPECT_EQ("42", format("{0:-}", 42));
|
|
EXPECT_EQ("-42", format("{0:-}", -42));
|
|
EXPECT_EQ("42", format("{0:-}", 42));
|
|
EXPECT_THROW_MSG(format("{0:-}", 42u),
|
|
FormatError, "format specifier '-' requires signed argument");
|
|
EXPECT_EQ("42", format("{0:-}", 42l));
|
|
EXPECT_THROW_MSG(format("{0:-}", 42ul),
|
|
FormatError, "format specifier '-' requires signed argument");
|
|
EXPECT_EQ("42", format("{0:-}", 42ll));
|
|
EXPECT_THROW_MSG(format("{0:-}", 42ull),
|
|
FormatError, "format specifier '-' requires signed argument");
|
|
EXPECT_EQ("42", format("{0:-}", 42.0));
|
|
EXPECT_EQ("42", format("{0:-}", 42.0l));
|
|
EXPECT_THROW_MSG(format("{0:-", 'c'),
|
|
FormatError, "missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:-}", 'c'),
|
|
FormatError, "invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:-}", "abc"),
|
|
FormatError, "format specifier '-' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:-}", reinterpret_cast<void*>(0x42)),
|
|
FormatError, "format specifier '-' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:-}", TestString()),
|
|
FormatError, "format specifier '-' requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, SpaceSign) {
|
|
EXPECT_EQ(" 42", format("{0: }", 42));
|
|
EXPECT_EQ("-42", format("{0: }", -42));
|
|
EXPECT_EQ(" 42", format("{0: }", 42));
|
|
EXPECT_THROW_MSG(format("{0: }", 42u),
|
|
FormatError, "format specifier ' ' requires signed argument");
|
|
EXPECT_EQ(" 42", format("{0: }", 42l));
|
|
EXPECT_THROW_MSG(format("{0: }", 42ul),
|
|
FormatError, "format specifier ' ' requires signed argument");
|
|
EXPECT_EQ(" 42", format("{0: }", 42ll));
|
|
EXPECT_THROW_MSG(format("{0: }", 42ull),
|
|
FormatError, "format specifier ' ' requires signed argument");
|
|
EXPECT_EQ(" 42", format("{0: }", 42.0));
|
|
EXPECT_EQ(" 42", format("{0: }", 42.0l));
|
|
EXPECT_THROW_MSG(format("{0: ", 'c'),
|
|
FormatError, "missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0: }", 'c'),
|
|
FormatError, "invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0: }", "abc"),
|
|
FormatError, "format specifier ' ' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0: }", reinterpret_cast<void*>(0x42)),
|
|
FormatError, "format specifier ' ' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0: }", TestString()),
|
|
FormatError, "format specifier ' ' requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, HashFlag) {
|
|
EXPECT_EQ("42", format("{0:#}", 42));
|
|
EXPECT_EQ("-42", format("{0:#}", -42));
|
|
EXPECT_EQ("0b101010", format("{0:#b}", 42));
|
|
EXPECT_EQ("0B101010", format("{0:#B}", 42));
|
|
EXPECT_EQ("-0b101010", format("{0:#b}", -42));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42));
|
|
EXPECT_EQ("0X42", format("{0:#X}", 0x42));
|
|
EXPECT_EQ("-0x42", format("{0:#x}", -0x42));
|
|
EXPECT_EQ("042", format("{0:#o}", 042));
|
|
EXPECT_EQ("-042", format("{0:#o}", -042));
|
|
EXPECT_EQ("42", format("{0:#}", 42u));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42u));
|
|
EXPECT_EQ("042", format("{0:#o}", 042u));
|
|
|
|
EXPECT_EQ("-42", format("{0:#}", -42l));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42l));
|
|
EXPECT_EQ("-0x42", format("{0:#x}", -0x42l));
|
|
EXPECT_EQ("042", format("{0:#o}", 042l));
|
|
EXPECT_EQ("-042", format("{0:#o}", -042l));
|
|
EXPECT_EQ("42", format("{0:#}", 42ul));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42ul));
|
|
EXPECT_EQ("042", format("{0:#o}", 042ul));
|
|
|
|
EXPECT_EQ("-42", format("{0:#}", -42ll));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42ll));
|
|
EXPECT_EQ("-0x42", format("{0:#x}", -0x42ll));
|
|
EXPECT_EQ("042", format("{0:#o}", 042ll));
|
|
EXPECT_EQ("-042", format("{0:#o}", -042ll));
|
|
EXPECT_EQ("42", format("{0:#}", 42ull));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42ull));
|
|
EXPECT_EQ("042", format("{0:#o}", 042ull));
|
|
|
|
EXPECT_EQ("-42.0000", format("{0:#}", -42.0));
|
|
EXPECT_EQ("-42.0000", format("{0:#}", -42.0l));
|
|
EXPECT_THROW_MSG(format("{0:#", 'c'),
|
|
FormatError, "missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:#}", 'c'),
|
|
FormatError, "invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:#}", "abc"),
|
|
FormatError, "format specifier '#' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:#}", reinterpret_cast<void*>(0x42)),
|
|
FormatError, "format specifier '#' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:#}", TestString()),
|
|
FormatError, "format specifier '#' requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, ZeroFlag) {
|
|
EXPECT_EQ("42", format("{0:0}", 42));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42));
|
|
EXPECT_EQ("00042", format("{0:05}", 42u));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42l));
|
|
EXPECT_EQ("00042", format("{0:05}", 42ul));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42ll));
|
|
EXPECT_EQ("00042", format("{0:05}", 42ull));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42.0));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42.0l));
|
|
EXPECT_THROW_MSG(format("{0:0", 'c'),
|
|
FormatError, "missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:05}", 'c'),
|
|
FormatError, "invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:05}", "abc"),
|
|
FormatError, "format specifier '0' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:05}", reinterpret_cast<void*>(0x42)),
|
|
FormatError, "format specifier '0' requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:05}", TestString()),
|
|
FormatError, "format specifier '0' requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, Width) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:%u", UINT_MAX);
|
|
increment(format_str + 3);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
|
|
safe_sprintf(format_str, "{0:%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
safe_sprintf(format_str, "{0:%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
EXPECT_EQ(" -42", format("{0:4}", -42));
|
|
EXPECT_EQ(" 42", format("{0:5}", 42u));
|
|
EXPECT_EQ(" -42", format("{0:6}", -42l));
|
|
EXPECT_EQ(" 42", format("{0:7}", 42ul));
|
|
EXPECT_EQ(" -42", format("{0:6}", -42ll));
|
|
EXPECT_EQ(" 42", format("{0:7}", 42ull));
|
|
EXPECT_EQ(" -1.23", format("{0:8}", -1.23));
|
|
EXPECT_EQ(" -1.23", format("{0:9}", -1.23l));
|
|
EXPECT_EQ(" 0xcafe", format("{0:10}", reinterpret_cast<void*>(0xcafe)));
|
|
EXPECT_EQ("x ", format("{0:11}", 'x'));
|
|
EXPECT_EQ("str ", format("{0:12}", "str"));
|
|
EXPECT_EQ("test ", format("{0:13}", TestString("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, RuntimeWidth) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:{%u", UINT_MAX);
|
|
increment(format_str + 4);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
format_str[size + 1] = '}';
|
|
format_str[size + 2] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{", 0),
|
|
FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:{}", 0),
|
|
FormatError, "cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{0:{?}}", 0),
|
|
FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0),
|
|
FormatError, "argument index out of range");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{0:}}", 0),
|
|
FormatError, "invalid format string");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, -1),
|
|
FormatError, "negative width");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, (INT_MAX + 1u)),
|
|
FormatError, "number is too big");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, -1l),
|
|
FormatError, "negative width");
|
|
if (fmt::internal::check(sizeof(long) > sizeof(int))) {
|
|
long value = INT_MAX;
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, (value + 1)),
|
|
FormatError, "number is too big");
|
|
}
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, (INT_MAX + 1ul)),
|
|
FormatError, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, '0'),
|
|
FormatError, "width is not integer");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, 0.0),
|
|
FormatError, "width is not integer");
|
|
|
|
EXPECT_EQ(" -42", format("{0:{1}}", -42, 4));
|
|
EXPECT_EQ(" 42", format("{0:{1}}", 42u, 5));
|
|
EXPECT_EQ(" -42", format("{0:{1}}", -42l, 6));
|
|
EXPECT_EQ(" 42", format("{0:{1}}", 42ul, 7));
|
|
EXPECT_EQ(" -42", format("{0:{1}}", -42ll, 6));
|
|
EXPECT_EQ(" 42", format("{0:{1}}", 42ull, 7));
|
|
EXPECT_EQ(" -1.23", format("{0:{1}}", -1.23, 8));
|
|
EXPECT_EQ(" -1.23", format("{0:{1}}", -1.23l, 9));
|
|
EXPECT_EQ(" 0xcafe",
|
|
format("{0:{1}}", reinterpret_cast<void*>(0xcafe), 10));
|
|
EXPECT_EQ("x ", format("{0:{1}}", 'x', 11));
|
|
EXPECT_EQ("str ", format("{0:{1}}", "str", 12));
|
|
EXPECT_EQ("test ", format("{0:{1}}", TestString("test"), 13));
|
|
}
|
|
|
|
TEST(FormatterTest, Precision) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:.%u", UINT_MAX);
|
|
increment(format_str + 4);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
|
|
safe_sprintf(format_str, "{0:.%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
safe_sprintf(format_str, "{0:.%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.", 0),
|
|
FormatError, "missing precision specifier");
|
|
EXPECT_THROW_MSG(format("{0:.}", 0),
|
|
FormatError, "missing precision specifier");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.2", 0),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42u),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42u),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42l),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42l),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42ul),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42ul),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42ll),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42ll),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42ull),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42ull),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:3.0}", 'x'),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_EQ("1.2", format("{0:.2}", 1.2345));
|
|
EXPECT_EQ("1.2", format("{0:.2}", 1.2345l));
|
|
|
|
EXPECT_THROW_MSG(format("{0:.2}", reinterpret_cast<void*>(0xcafe)),
|
|
FormatError, "precision not allowed in pointer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", reinterpret_cast<void*>(0xcafe)),
|
|
FormatError, "precision not allowed in pointer format specifier");
|
|
|
|
EXPECT_EQ("st", format("{0:.2}", "str"));
|
|
EXPECT_EQ("te", format("{0:.2}", TestString("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, RuntimePrecision) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:.{%u", UINT_MAX);
|
|
increment(format_str + 5);
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
format_str[size + 1] = '}';
|
|
format_str[size + 2] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), FormatError, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{", 0),
|
|
FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:.{}", 0),
|
|
FormatError, "cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{0:.{?}}", 0),
|
|
FormatError, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:.{1}", 0, 0),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0),
|
|
FormatError, "argument index out of range");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{0:}}", 0),
|
|
FormatError, "invalid format string");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, -1),
|
|
FormatError, "negative precision");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, (INT_MAX + 1u)),
|
|
FormatError, "number is too big");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, -1l),
|
|
FormatError, "negative precision");
|
|
if (fmt::internal::check(sizeof(long) > sizeof(int))) {
|
|
long value = INT_MAX;
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, (value + 1)),
|
|
FormatError, "number is too big");
|
|
}
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, (INT_MAX + 1ul)),
|
|
FormatError, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, '0'),
|
|
FormatError, "precision is not integer");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, 0.0),
|
|
FormatError, "precision is not integer");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42u, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42u, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42l, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42l, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42ul, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42ul, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42ll, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42ll, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42ull, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42ull, 2),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:3.{1}}", 'x', 0),
|
|
FormatError, "precision not allowed in integer format specifier");
|
|
EXPECT_EQ("1.2", format("{0:.{1}}", 1.2345, 2));
|
|
EXPECT_EQ("1.2", format("{1:.{0}}", 2, 1.2345l));
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", reinterpret_cast<void*>(0xcafe), 2),
|
|
FormatError, "precision not allowed in pointer format specifier");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", reinterpret_cast<void*>(0xcafe), 2),
|
|
FormatError, "precision not allowed in pointer format specifier");
|
|
|
|
EXPECT_EQ("st", format("{0:.{1}}", "str", 2));
|
|
EXPECT_EQ("te", format("{0:.{1}}", TestString("test"), 2));
|
|
}
|
|
|
|
template <typename T>
|
|
void check_unknown_types(
|
|
const T &value, const char *types, const char *type_name) {
|
|
char format_str[BUFFER_SIZE], message[BUFFER_SIZE];
|
|
const char *special = ".0123456789}";
|
|
for (int i = CHAR_MIN; i <= CHAR_MAX; ++i) {
|
|
char c = static_cast<char>(i);
|
|
if (std::strchr(types, c) || std::strchr(special, c) || !c) continue;
|
|
safe_sprintf(format_str, "{0:10%c}", c);
|
|
if (std::isprint(static_cast<unsigned char>(c))) {
|
|
safe_sprintf(message, "unknown format code '%c' for %s", c, type_name);
|
|
} else {
|
|
safe_sprintf(message, "unknown format code '\\x%02x' for %s", c,
|
|
type_name);
|
|
}
|
|
EXPECT_THROW_MSG(format(format_str, value), FormatError, message)
|
|
<< format_str << " " << message;
|
|
}
|
|
}
|
|
|
|
TEST(BoolTest, FormatBool) {
|
|
EXPECT_EQ("true", format("{}", true));
|
|
EXPECT_EQ("false", format("{}", false));
|
|
EXPECT_EQ("1", format("{:d}", true));
|
|
EXPECT_EQ("true ", format("{:5}", true));
|
|
EXPECT_EQ(L"true", format(L"{}", true));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatShort) {
|
|
short s = 42;
|
|
EXPECT_EQ("42", format("{0:d}", s));
|
|
unsigned short us = 42;
|
|
EXPECT_EQ("42", format("{0:d}", us));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatInt) {
|
|
EXPECT_THROW_MSG(format("{0:v", 42),
|
|
FormatError, "missing '}' in format string");
|
|
check_unknown_types(42, "bBdoxXn", "integer");
|
|
}
|
|
|
|
TEST(FormatterTest, FormatBin) {
|
|
EXPECT_EQ("0", format("{0:b}", 0));
|
|
EXPECT_EQ("101010", format("{0:b}", 42));
|
|
EXPECT_EQ("101010", format("{0:b}", 42u));
|
|
EXPECT_EQ("-101010", format("{0:b}", -42));
|
|
EXPECT_EQ("11000000111001", format("{0:b}", 12345));
|
|
EXPECT_EQ("10010001101000101011001111000", format("{0:b}", 0x12345678));
|
|
EXPECT_EQ("10010000101010111100110111101111", format("{0:b}", 0x90ABCDEF));
|
|
EXPECT_EQ("11111111111111111111111111111111",
|
|
format("{0:b}", std::numeric_limits<uint32_t>::max()));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatDec) {
|
|
EXPECT_EQ("0", format("{0}", 0));
|
|
EXPECT_EQ("42", format("{0}", 42));
|
|
EXPECT_EQ("42", format("{0:d}", 42));
|
|
EXPECT_EQ("42", format("{0}", 42u));
|
|
EXPECT_EQ("-42", format("{0}", -42));
|
|
EXPECT_EQ("12345", format("{0}", 12345));
|
|
EXPECT_EQ("67890", format("{0}", 67890));
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%d", INT_MIN);
|
|
EXPECT_EQ(buffer, format("{0}", INT_MIN));
|
|
safe_sprintf(buffer, "%d", INT_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", INT_MAX));
|
|
safe_sprintf(buffer, "%u", UINT_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", UINT_MAX));
|
|
safe_sprintf(buffer, "%ld", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, format("{0}", LONG_MIN));
|
|
safe_sprintf(buffer, "%ld", LONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", LONG_MAX));
|
|
safe_sprintf(buffer, "%lu", ULONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatHex) {
|
|
EXPECT_EQ("0", format("{0:x}", 0));
|
|
EXPECT_EQ("42", format("{0:x}", 0x42));
|
|
EXPECT_EQ("42", format("{0:x}", 0x42u));
|
|
EXPECT_EQ("-42", format("{0:x}", -0x42));
|
|
EXPECT_EQ("12345678", format("{0:x}", 0x12345678));
|
|
EXPECT_EQ("90abcdef", format("{0:x}", 0x90abcdef));
|
|
EXPECT_EQ("12345678", format("{0:X}", 0x12345678));
|
|
EXPECT_EQ("90ABCDEF", format("{0:X}", 0x90ABCDEF));
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "-%x", 0 - static_cast<unsigned>(INT_MIN));
|
|
EXPECT_EQ(buffer, format("{0:x}", INT_MIN));
|
|
safe_sprintf(buffer, "%x", INT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", INT_MAX));
|
|
safe_sprintf(buffer, "%x", UINT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", UINT_MAX));
|
|
safe_sprintf(buffer, "-%lx", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, format("{0:x}", LONG_MIN));
|
|
safe_sprintf(buffer, "%lx", LONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", LONG_MAX));
|
|
safe_sprintf(buffer, "%lx", ULONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatOct) {
|
|
EXPECT_EQ("0", format("{0:o}", 0));
|
|
EXPECT_EQ("42", format("{0:o}", 042));
|
|
EXPECT_EQ("42", format("{0:o}", 042u));
|
|
EXPECT_EQ("-42", format("{0:o}", -042));
|
|
EXPECT_EQ("12345670", format("{0:o}", 012345670));
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "-%o", 0 - static_cast<unsigned>(INT_MIN));
|
|
EXPECT_EQ(buffer, format("{0:o}", INT_MIN));
|
|
safe_sprintf(buffer, "%o", INT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", INT_MAX));
|
|
safe_sprintf(buffer, "%o", UINT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", UINT_MAX));
|
|
safe_sprintf(buffer, "-%lo", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, format("{0:o}", LONG_MIN));
|
|
safe_sprintf(buffer, "%lo", LONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", LONG_MAX));
|
|
safe_sprintf(buffer, "%lo", ULONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatIntLocale) {
|
|
#ifndef _WIN32
|
|
const char *locale = "en_US.utf-8";
|
|
#else
|
|
const char *locale = "English_United States";
|
|
#endif
|
|
std::setlocale(LC_ALL, locale);
|
|
EXPECT_EQ("1,234,567", format("{:n}", 1234567));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatFloat) {
|
|
EXPECT_EQ("392.500000", format("{0:f}", 392.5f));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatDouble) {
|
|
check_unknown_types(1.2, "eEfFgGaA", "double");
|
|
EXPECT_EQ("0", format("{0:}", 0.0));
|
|
EXPECT_EQ("0.000000", format("{0:f}", 0.0));
|
|
EXPECT_EQ("392.65", format("{0:}", 392.65));
|
|
EXPECT_EQ("392.65", format("{0:g}", 392.65));
|
|
EXPECT_EQ("392.65", format("{0:G}", 392.65));
|
|
EXPECT_EQ("392.650000", format("{0:f}", 392.65));
|
|
EXPECT_EQ("392.650000", format("{0:F}", 392.65));
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%e", 392.65);
|
|
EXPECT_EQ(buffer, format("{0:e}", 392.65));
|
|
safe_sprintf(buffer, "%E", 392.65);
|
|
EXPECT_EQ(buffer, format("{0:E}", 392.65));
|
|
EXPECT_EQ("+0000392.6", format("{0:+010.4g}", 392.65));
|
|
safe_sprintf(buffer, "%a", -42.0);
|
|
EXPECT_EQ(buffer, format("{:a}", -42.0));
|
|
safe_sprintf(buffer, "%A", -42.0);
|
|
EXPECT_EQ(buffer, format("{:A}", -42.0));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatNaN) {
|
|
double nan = std::numeric_limits<double>::quiet_NaN();
|
|
EXPECT_EQ("nan", format("{}", nan));
|
|
EXPECT_EQ("+nan", format("{:+}", nan));
|
|
EXPECT_EQ(" nan", format("{: }", nan));
|
|
EXPECT_EQ("NAN", format("{:F}", nan));
|
|
EXPECT_EQ("nan ", format("{:<7}", nan));
|
|
EXPECT_EQ(" nan ", format("{:^7}", nan));
|
|
EXPECT_EQ(" nan", format("{:>7}", nan));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatInfinity) {
|
|
double inf = std::numeric_limits<double>::infinity();
|
|
EXPECT_EQ("inf", format("{}", inf));
|
|
EXPECT_EQ("+inf", format("{:+}", inf));
|
|
EXPECT_EQ("-inf", format("{}", -inf));
|
|
EXPECT_EQ(" inf", format("{: }", inf));
|
|
EXPECT_EQ("INF", format("{:F}", inf));
|
|
EXPECT_EQ("inf ", format("{:<7}", inf));
|
|
EXPECT_EQ(" inf ", format("{:^7}", inf));
|
|
EXPECT_EQ(" inf", format("{:>7}", inf));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatLongDouble) {
|
|
EXPECT_EQ("0", format("{0:}", 0.0l));
|
|
EXPECT_EQ("0.000000", format("{0:f}", 0.0l));
|
|
EXPECT_EQ("392.65", format("{0:}", 392.65l));
|
|
EXPECT_EQ("392.65", format("{0:g}", 392.65l));
|
|
EXPECT_EQ("392.65", format("{0:G}", 392.65l));
|
|
EXPECT_EQ("392.650000", format("{0:f}", 392.65l));
|
|
EXPECT_EQ("392.650000", format("{0:F}", 392.65l));
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%Le", 392.65l);
|
|
EXPECT_EQ(buffer, format("{0:e}", 392.65l));
|
|
EXPECT_EQ("+0000392.6", format("{0:+010.4g}", 392.64l));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatChar) {
|
|
const char types[] = "cbBdoxXn";
|
|
check_unknown_types('a', types, "char");
|
|
EXPECT_EQ("a", format("{0}", 'a'));
|
|
EXPECT_EQ("z", format("{0:c}", 'z'));
|
|
EXPECT_EQ(L"a", format(L"{0}", 'a'));
|
|
int n = 'x';
|
|
for (const char *type = types + 1; *type; ++type) {
|
|
std::string format_str = fmt::format("{{:{}}}", *type);
|
|
EXPECT_EQ(fmt::format(format_str, n), fmt::format(format_str, 'x'));
|
|
}
|
|
EXPECT_EQ(fmt::format("{:02X}", n), fmt::format("{:02X}", 'x'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatUnsignedChar) {
|
|
EXPECT_EQ("42", format("{}", static_cast<unsigned char>(42)));
|
|
EXPECT_EQ("42", format("{}", static_cast<uint8_t>(42)));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatWChar) {
|
|
EXPECT_EQ(L"a", format(L"{0}", L'a'));
|
|
// This shouldn't compile:
|
|
//format("{}", L'a');
|
|
}
|
|
|
|
TEST(FormatterTest, FormatCString) {
|
|
check_unknown_types("test", "sp", "string");
|
|
EXPECT_EQ("test", format("{0}", "test"));
|
|
EXPECT_EQ("test", format("{0:s}", "test"));
|
|
char nonconst[] = "nonconst";
|
|
EXPECT_EQ("nonconst", format("{0}", nonconst));
|
|
EXPECT_THROW_MSG(format("{0}", reinterpret_cast<const char*>(0)),
|
|
FormatError, "string pointer is null");
|
|
}
|
|
|
|
TEST(FormatterTest, FormatSCharString) {
|
|
signed char str[] = "test";
|
|
EXPECT_EQ("test", format("{0:s}", str));
|
|
const signed char *const_str = str;
|
|
EXPECT_EQ("test", format("{0:s}", const_str));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatUCharString) {
|
|
unsigned char str[] = "test";
|
|
EXPECT_EQ("test", format("{0:s}", str));
|
|
const unsigned char *const_str = str;
|
|
EXPECT_EQ("test", format("{0:s}", const_str));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatPointer) {
|
|
check_unknown_types(reinterpret_cast<void*>(0x1234), "p", "pointer");
|
|
EXPECT_EQ("0x0", format("{0}", reinterpret_cast<void*>(0)));
|
|
EXPECT_EQ("0x1234", format("{0}", reinterpret_cast<void*>(0x1234)));
|
|
EXPECT_EQ("0x1234", format("{0:p}", reinterpret_cast<void*>(0x1234)));
|
|
EXPECT_EQ("0x" + std::string(sizeof(void*) * CHAR_BIT / 4, 'f'),
|
|
format("{0}", reinterpret_cast<void*>(~uintptr_t())));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatString) {
|
|
EXPECT_EQ("test", format("{0}", std::string("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatStringRef) {
|
|
EXPECT_EQ("test", format("{0}", StringRef("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatCStringRef) {
|
|
EXPECT_EQ("test", format("{0}", CStringRef("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatUsingIOStreams) {
|
|
EXPECT_EQ("a string", format("{0}", TestString("a string")));
|
|
std::string s = format("The date is {0}", Date(2012, 12, 9));
|
|
EXPECT_EQ("The date is 2012-12-9", s);
|
|
Date date(2012, 12, 9);
|
|
check_unknown_types(date, "s", "string");
|
|
EXPECT_EQ(L"The date is 2012-12-9",
|
|
format(L"The date is {0}", Date(2012, 12, 9)));
|
|
}
|
|
|
|
class Answer {};
|
|
|
|
template <typename Char>
|
|
void format(fmt::BasicFormatter<Char> &f, const Char *, Answer) {
|
|
f.writer() << "42";
|
|
}
|
|
|
|
TEST(FormatterTest, CustomFormat) {
|
|
EXPECT_EQ("42", format("{0}", Answer()));
|
|
}
|
|
|
|
TEST(FormatterTest, WideFormatString) {
|
|
EXPECT_EQ(L"42", format(L"{}", 42));
|
|
EXPECT_EQ(L"4.2", format(L"{}", 4.2));
|
|
EXPECT_EQ(L"abc", format(L"{}", L"abc"));
|
|
EXPECT_EQ(L"z", format(L"{}", L'z'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatStringFromSpeedTest) {
|
|
EXPECT_EQ("1.2340000000:0042:+3.13:str:0x3e8:X:%",
|
|
format("{0:0.10f}:{1:04}:{2:+g}:{3}:{4}:{5}:%",
|
|
1.234, 42, 3.13, "str", reinterpret_cast<void*>(1000), 'X'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatExamples) {
|
|
using fmt::hex;
|
|
EXPECT_EQ("0000cafe", (MemoryWriter() << pad(hex(0xcafe), 8, '0')).str());
|
|
|
|
std::string message = format("The answer is {}", 42);
|
|
EXPECT_EQ("The answer is 42", message);
|
|
|
|
EXPECT_EQ("42", format("{}", 42));
|
|
EXPECT_EQ("42", format(std::string("{}"), 42));
|
|
|
|
MemoryWriter out;
|
|
out << "The answer is " << 42 << "\n";
|
|
out.write("({:+f}, {:+f})", -3.14, 3.14);
|
|
EXPECT_EQ("The answer is 42\n(-3.140000, +3.140000)", out.str());
|
|
|
|
{
|
|
MemoryWriter writer;
|
|
for (int i = 0; i < 10; i++)
|
|
writer.write("{}", i);
|
|
std::string s = writer.str(); // s == 0123456789
|
|
EXPECT_EQ("0123456789", s);
|
|
}
|
|
|
|
const char *filename = "nonexistent";
|
|
FILE *ftest = safe_fopen(filename, "r");
|
|
if (ftest) fclose(ftest);
|
|
int error_code = errno;
|
|
EXPECT_TRUE(ftest == 0);
|
|
EXPECT_SYSTEM_ERROR({
|
|
FILE *f = safe_fopen(filename, "r");
|
|
if (!f)
|
|
throw fmt::SystemError(errno, "Cannot open file '{}'", filename);
|
|
fclose(f);
|
|
}, error_code, "Cannot open file 'nonexistent'");
|
|
}
|
|
|
|
TEST(FormatterTest, Examples) {
|
|
EXPECT_EQ("First, thou shalt count to three",
|
|
format("First, thou shalt count to {0}", "three"));
|
|
EXPECT_EQ("Bring me a shrubbery",
|
|
format("Bring me a {}", "shrubbery"));
|
|
EXPECT_EQ("From 1 to 3", format("From {} to {}", 1, 3));
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%03.2f", -1.2);
|
|
EXPECT_EQ(buffer, format("{:03.2f}", -1.2));
|
|
|
|
EXPECT_EQ("a, b, c", format("{0}, {1}, {2}", 'a', 'b', 'c'));
|
|
EXPECT_EQ("a, b, c", format("{}, {}, {}", 'a', 'b', 'c'));
|
|
EXPECT_EQ("c, b, a", format("{2}, {1}, {0}", 'a', 'b', 'c'));
|
|
EXPECT_EQ("abracadabra", format("{0}{1}{0}", "abra", "cad"));
|
|
|
|
EXPECT_EQ("left aligned ",
|
|
format("{:<30}", "left aligned"));
|
|
EXPECT_EQ(" right aligned",
|
|
format("{:>30}", "right aligned"));
|
|
EXPECT_EQ(" centered ",
|
|
format("{:^30}", "centered"));
|
|
EXPECT_EQ("***********centered***********",
|
|
format("{:*^30}", "centered"));
|
|
|
|
EXPECT_EQ("+3.140000; -3.140000",
|
|
format("{:+f}; {:+f}", 3.14, -3.14));
|
|
EXPECT_EQ(" 3.140000; -3.140000",
|
|
format("{: f}; {: f}", 3.14, -3.14));
|
|
EXPECT_EQ("3.140000; -3.140000",
|
|
format("{:-f}; {:-f}", 3.14, -3.14));
|
|
|
|
EXPECT_EQ("int: 42; hex: 2a; oct: 52",
|
|
format("int: {0:d}; hex: {0:x}; oct: {0:o}", 42));
|
|
EXPECT_EQ("int: 42; hex: 0x2a; oct: 052",
|
|
format("int: {0:d}; hex: {0:#x}; oct: {0:#o}", 42));
|
|
|
|
EXPECT_EQ("The answer is 42", format("The answer is {}", 42));
|
|
EXPECT_THROW_MSG(
|
|
format("The answer is {:d}", "forty-two"), FormatError,
|
|
"unknown format code 'd' for string");
|
|
|
|
EXPECT_EQ(L"Cyrillic letter \x42e",
|
|
format(L"Cyrillic letter {}", L'\x42e'));
|
|
|
|
EXPECT_WRITE(stdout,
|
|
fmt::print("{}", std::numeric_limits<double>::infinity()), "inf");
|
|
}
|
|
|
|
TEST(FormatIntTest, Data) {
|
|
fmt::FormatInt format_int(42);
|
|
EXPECT_EQ("42", std::string(format_int.data(), format_int.size()));
|
|
}
|
|
|
|
TEST(FormatIntTest, FormatInt) {
|
|
EXPECT_EQ("42", fmt::FormatInt(42).str());
|
|
EXPECT_EQ(2u, fmt::FormatInt(42).size());
|
|
EXPECT_EQ("-42", fmt::FormatInt(-42).str());
|
|
EXPECT_EQ(3u, fmt::FormatInt(-42).size());
|
|
EXPECT_EQ("42", fmt::FormatInt(42ul).str());
|
|
EXPECT_EQ("-42", fmt::FormatInt(-42l).str());
|
|
EXPECT_EQ("42", fmt::FormatInt(42ull).str());
|
|
EXPECT_EQ("-42", fmt::FormatInt(-42ll).str());
|
|
std::ostringstream os;
|
|
os << std::numeric_limits<int64_t>::max();
|
|
EXPECT_EQ(os.str(),
|
|
fmt::FormatInt(std::numeric_limits<int64_t>::max()).str());
|
|
}
|
|
|
|
template <typename T>
|
|
std::string format_decimal(T value) {
|
|
char buffer[10];
|
|
char *ptr = buffer;
|
|
fmt::format_decimal(ptr, value);
|
|
return std::string(buffer, ptr);
|
|
}
|
|
|
|
TEST(FormatIntTest, FormatDec) {
|
|
EXPECT_EQ("-42", format_decimal(static_cast<signed char>(-42)));
|
|
EXPECT_EQ("-42", format_decimal(static_cast<short>(-42)));
|
|
std::ostringstream os;
|
|
os << std::numeric_limits<unsigned short>::max();
|
|
EXPECT_EQ(os.str(),
|
|
format_decimal(std::numeric_limits<unsigned short>::max()));
|
|
EXPECT_EQ("1", format_decimal(1));
|
|
EXPECT_EQ("-1", format_decimal(-1));
|
|
EXPECT_EQ("42", format_decimal(42));
|
|
EXPECT_EQ("-42", format_decimal(-42));
|
|
EXPECT_EQ("42", format_decimal(42l));
|
|
EXPECT_EQ("42", format_decimal(42ul));
|
|
EXPECT_EQ("42", format_decimal(42ll));
|
|
EXPECT_EQ("42", format_decimal(42ull));
|
|
}
|
|
|
|
TEST(FormatTest, Print) {
|
|
#if FMT_USE_FILE_DESCRIPTORS
|
|
EXPECT_WRITE(stdout, fmt::print("Don't {}!", "panic"), "Don't panic!");
|
|
EXPECT_WRITE(stderr,
|
|
fmt::print(stderr, "Don't {}!", "panic"), "Don't panic!");
|
|
#endif
|
|
std::ostringstream os;
|
|
fmt::print(os, "Don't {}!", "panic");
|
|
EXPECT_EQ("Don't panic!", os.str());
|
|
}
|
|
|
|
#if FMT_USE_FILE_DESCRIPTORS
|
|
TEST(FormatTest, PrintColored) {
|
|
EXPECT_WRITE(stdout, fmt::print_colored(fmt::RED, "Hello, {}!\n", "world"),
|
|
"\x1b[31mHello, world!\n\x1b[0m");
|
|
}
|
|
#endif
|
|
|
|
TEST(FormatTest, Variadic) {
|
|
EXPECT_EQ("abc1", format("{}c{}", "ab", 1));
|
|
EXPECT_EQ(L"abc1", format(L"{}c{}", L"ab", 1));
|
|
}
|
|
|
|
template <typename T>
|
|
std::string str(const T &value) {
|
|
return fmt::format("{}", value);
|
|
}
|
|
|
|
TEST(StrTest, Convert) {
|
|
EXPECT_EQ("42", str(42));
|
|
std::string s = str(Date(2012, 12, 9));
|
|
EXPECT_EQ("2012-12-9", s);
|
|
}
|
|
|
|
std::string format_message(int id, const char *format,
|
|
const fmt::ArgList &args) {
|
|
MemoryWriter w;
|
|
w.write("[{}] ", id);
|
|
w.write(format, args);
|
|
return w.str();
|
|
}
|
|
|
|
FMT_VARIADIC(std::string, format_message, int, const char *)
|
|
|
|
TEST(FormatTest, FormatMessageExample) {
|
|
EXPECT_EQ("[42] something happened",
|
|
format_message(42, "{} happened", "something"));
|
|
}
|
|
|
|
#if FMT_USE_VARIADIC_TEMPLATES
|
|
template<typename... Args>
|
|
void print_error(const char *file, int line, const char *format,
|
|
const Args & ... args) {
|
|
fmt::print("{}: {}: ", file, line);
|
|
fmt::print(format, args...);
|
|
}
|
|
#endif
|
|
|
|
TEST(FormatTest, MaxArgs) {
|
|
EXPECT_EQ("0123456789abcde",
|
|
fmt::format("{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}",
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'a', 'b', 'c', 'd', 'e'));
|
|
}
|
|
|
|
#if FMT_USE_USER_DEFINED_LITERALS
|
|
// Passing user-defined literals directly to EXPECT_EQ causes problems
|
|
// with macro argument stringification (#) on some versions of GCC.
|
|
// Workaround: Assing the UDL result to a variable before the macro.
|
|
|
|
using namespace fmt::literals;
|
|
|
|
TEST(LiteralsTest, Format) {
|
|
auto udl_format = "{}c{}"_format("ab", 1);
|
|
EXPECT_EQ(format("{}c{}", "ab", 1), udl_format);
|
|
auto udl_format_w = L"{}c{}"_format(L"ab", 1);
|
|
EXPECT_EQ(format(L"{}c{}", L"ab", 1), udl_format_w);
|
|
}
|
|
|
|
TEST(LiteralsTest, NamedArg) {
|
|
auto udl_a = format("{first}{second}{first}{third}",
|
|
"first"_a="abra", "second"_a="cad", "third"_a=99);
|
|
EXPECT_EQ(format("{first}{second}{first}{third}",
|
|
fmt::arg("first", "abra"), fmt::arg("second", "cad"),
|
|
fmt::arg("third", 99)),
|
|
udl_a);
|
|
auto udl_a_w = format(L"{first}{second}{first}{third}",
|
|
L"first"_a=L"abra", L"second"_a=L"cad", L"third"_a=99);
|
|
EXPECT_EQ(format(L"{first}{second}{first}{third}",
|
|
fmt::arg(L"first", L"abra"), fmt::arg(L"second", L"cad"),
|
|
fmt::arg(L"third", 99)),
|
|
udl_a_w);
|
|
}
|
|
#endif // FMT_USE_USER_DEFINED_LITERALS
|
|
|
|
enum TestEnum {};
|
|
std::ostream &operator<<(std::ostream &os, TestEnum) {
|
|
return os << "TestEnum";
|
|
}
|
|
|
|
enum TestEnum2 { A };
|
|
|
|
TEST(FormatTest, Enum) {
|
|
EXPECT_EQ("TestEnum", fmt::format("{}", TestEnum()));
|
|
EXPECT_EQ("0", fmt::format("{}", A));
|
|
}
|
|
|
|
struct EmptyTest {};
|
|
std::ostream &operator<<(std::ostream &os, EmptyTest) {
|
|
return os << "";
|
|
}
|
|
|
|
TEST(FormatTest, EmptyCustomOutput) {
|
|
EXPECT_EQ("", fmt::format("{}", EmptyTest()));
|
|
}
|
|
|
|
class MockArgFormatter :
|
|
public fmt::internal::ArgFormatterBase<MockArgFormatter, char> {
|
|
public:
|
|
typedef fmt::internal::ArgFormatterBase<MockArgFormatter, char> Base;
|
|
|
|
MockArgFormatter(fmt::BasicFormatter<char, MockArgFormatter> &f,
|
|
fmt::FormatSpec &s, const char *)
|
|
: fmt::internal::ArgFormatterBase<MockArgFormatter, char>(f.writer(), s) {
|
|
EXPECT_CALL(*this, visit_int(42));
|
|
}
|
|
|
|
MOCK_METHOD1(visit_int, void (int value));
|
|
};
|
|
|
|
void custom_format(const char *format_str, fmt::ArgList args) {
|
|
fmt::MemoryWriter writer;
|
|
fmt::BasicFormatter<char, MockArgFormatter> formatter(args, writer);
|
|
formatter.format(format_str);
|
|
}
|
|
FMT_VARIADIC(void, custom_format, const char *)
|
|
|
|
TEST(FormatTest, CustomArgFormatter) {
|
|
custom_format("{}", 42);
|
|
}
|
|
|
|
struct TestArgFormatter : fmt::BasicArgFormatter<TestArgFormatter, char> {
|
|
TestArgFormatter(fmt::BasicFormatter<char, TestArgFormatter> &f,
|
|
fmt::FormatSpec &s, const char *fmt)
|
|
: fmt::BasicArgFormatter<TestArgFormatter, char>(f, s, fmt) {}
|
|
};
|
|
|
|
TEST(ArgFormatterTest, CustomArg) {
|
|
fmt::MemoryWriter writer;
|
|
typedef fmt::BasicFormatter<char, TestArgFormatter> Formatter;
|
|
Formatter formatter(fmt::ArgList(), writer);
|
|
fmt::FormatSpec spec;
|
|
TestArgFormatter af(formatter, spec, "}");
|
|
af.visit(fmt::internal::MakeArg<Formatter>(TestEnum()));
|
|
EXPECT_EQ("TestEnum", writer.str());
|
|
}
|