1334 lines
48 KiB
C++
1334 lines
48 KiB
C++
/*
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Formatting library tests.
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Copyright (c) 2012, 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 <cstdarg>
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#include <cstring>
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#include <iomanip>
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#include <memory>
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#include <sstream>
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#include <gtest/gtest.h>
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// Check if format.h compiles with windows.h included.
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#ifdef _WIN32
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# include <windows.h>
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#endif
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#include "format.h"
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#include <stdint.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::internal::Array;
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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::Writer;
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using fmt::pad;
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#define FORMAT_TEST_THROW_(statement, expected_exception, message, fail) \
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GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
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if (::testing::internal::ConstCharPtr gtest_msg = "") { \
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bool gtest_caught_expected = false; \
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try { \
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GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
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} \
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catch (expected_exception const& e) { \
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gtest_caught_expected = true; \
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if (std::strcmp(message, e.what()) != 0) \
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throw; \
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} \
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catch (...) { \
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gtest_msg.value = \
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"Expected: " #statement " throws an exception of type " \
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#expected_exception ".\n Actual: it throws a different type."; \
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goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
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} \
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if (!gtest_caught_expected) { \
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gtest_msg.value = \
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"Expected: " #statement " throws an exception of type " \
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#expected_exception ".\n Actual: it throws nothing."; \
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goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
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} \
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} else \
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GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \
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fail(gtest_msg.value)
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#define EXPECT_THROW_MSG(statement, expected_exception, expected_message) \
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FORMAT_TEST_THROW_(statement, expected_exception, expected_message, \
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GTEST_NONFATAL_FAILURE_)
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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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static ::testing::AssertionResult CheckWrite(const T &value, const char *type) {
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std::basic_ostringstream<Char> os;
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os << value;
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std::basic_string<Char> expected = os.str();
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std::basic_string<Char> actual = str(BasicWriter<Char>() << value);
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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: str(Writer<" << type << ">() << value)\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 = CheckWrite<char>(value, "char");
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return result ? CheckWrite<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 CheckWrite<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) EXPECT_PRED_FORMAT1(WriteChecker<char>(), value)
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#define CHECK_WRITE_WCHAR(value) EXPECT_PRED_FORMAT1(WriteChecker<wchar_t>(), value)
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// Increment a number in a string.
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void Increment(char *s) {
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for (int i = static_cast<int>(std::strlen(s)) - 1; i >= 0; --i) {
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if (s[i] != '9') {
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++s[i];
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break;
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}
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s[i] = '0';
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}
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}
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enum {BUFFER_SIZE = 256};
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#ifdef _MSC_VER
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# define vsnprintf vsprintf_s
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#endif
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void SPrintf(char *buffer, const char *format, ...) {
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std::va_list args;
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va_start(args, format);
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vsnprintf(buffer, BUFFER_SIZE, format, args);
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va_end(args);
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}
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TEST(UtilTest, Increment) {
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char s[10] = "123";
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Increment(s);
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EXPECT_STREQ("124", s);
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s[2] = '8';
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Increment(s);
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EXPECT_STREQ("129", s);
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Increment(s);
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EXPECT_STREQ("130", s);
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s[1] = s[2] = '9';
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Increment(s);
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EXPECT_STREQ("200", s);
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}
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class TestString {
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private:
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std::string value_;
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public:
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explicit TestString(const char *value = "") : value_(value) {}
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friend std::ostream &operator<<(std::ostream &os, const TestString &s) {
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os << s.value_;
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return os;
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}
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};
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TEST(ArrayTest, Ctor) {
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Array<char, 123> array;
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EXPECT_EQ(0u, array.size());
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EXPECT_EQ(123u, array.capacity());
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}
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TEST(ArrayTest, Access) {
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Array<char, 10> array;
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array[0] = 11;
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EXPECT_EQ(11, array[0]);
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array[3] = 42;
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EXPECT_EQ(42, *(&array[0] + 3));
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const Array<char, 10> &carray = array;
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EXPECT_EQ(42, carray[3]);
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}
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TEST(ArrayTest, Resize) {
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Array<char, 123> array;
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array[10] = 42;
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EXPECT_EQ(42, array[10]);
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array.resize(20);
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EXPECT_EQ(20u, array.size());
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EXPECT_EQ(123u, array.capacity());
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EXPECT_EQ(42, array[10]);
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array.resize(5);
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EXPECT_EQ(5u, array.size());
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EXPECT_EQ(123u, array.capacity());
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EXPECT_EQ(42, array[10]);
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}
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TEST(ArrayTest, Grow) {
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Array<int, 10> array;
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array.resize(10);
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for (int i = 0; i < 10; ++i)
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array[i] = i * i;
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array.resize(20);
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EXPECT_EQ(20u, array.size());
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EXPECT_EQ(20u, array.capacity());
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for (int i = 0; i < 10; ++i)
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EXPECT_EQ(i * i, array[i]);
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}
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TEST(ArrayTest, Clear) {
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Array<char, 10> array;
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array.resize(20);
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array.clear();
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EXPECT_EQ(0u, array.size());
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EXPECT_EQ(20u, array.capacity());
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}
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TEST(ArrayTest, PushBack) {
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Array<int, 10> array;
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array.push_back(11);
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EXPECT_EQ(11, array[0]);
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EXPECT_EQ(1u, array.size());
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array.resize(10);
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array.push_back(22);
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EXPECT_EQ(22, array[10]);
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EXPECT_EQ(11u, array.size());
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EXPECT_EQ(15u, array.capacity());
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}
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TEST(ArrayTest, Append) {
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Array<char, 10> array;
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const char *test = "test";
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array.append(test, test + 5);
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EXPECT_STREQ("test", &array[0]);
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EXPECT_EQ(5u, array.size());
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array.resize(10);
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array.append(test, test + 2);
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EXPECT_EQ('t', array[10]);
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EXPECT_EQ('e', array[11]);
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EXPECT_EQ(12u, array.size());
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EXPECT_EQ(15u, array.capacity());
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}
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TEST(WriterTest, Ctor) {
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Writer 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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TEST(WriterTest, Data) {
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Writer 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, 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(4.2l);
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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, WriteString) {
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CHECK_WRITE_CHAR("abc");
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// The following line shouldn't compile:
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//fmt::Writer() << 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::WWriter() << "abc";
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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", str(Writer() << oct(static_cast<short>(012))));
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EXPECT_EQ("12", str(Writer() << oct(012)));
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EXPECT_EQ("34", str(Writer() << oct(034u)));
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EXPECT_EQ("56", str(Writer() << oct(056l)));
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EXPECT_EQ("70", str(Writer() << oct(070ul)));
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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", str(Writer() << bin(0xcafe)));
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EXPECT_EQ("1011101010111110", str(Writer() << bin(0xbabeu)));
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EXPECT_EQ("1101111010101101", str(Writer() << bin(0xdeadl)));
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EXPECT_EQ("1011111011101111", str(Writer() << bin(0xbeeful)));
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}
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TEST(WriterTest, hex) {
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using fmt::hex;
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fmt::IntFormatter<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::IntFormatter<short, fmt::TypeSpec<'x'> > (*phex2)(short value) = hex;
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EXPECT_EQ("cafe", str(Writer() << hex(0xcafe)));
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EXPECT_EQ("babe", str(Writer() << hex(0xbabeu)));
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EXPECT_EQ("dead", str(Writer() << hex(0xdeadl)));
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EXPECT_EQ("beef", str(Writer() << hex(0xbeeful)));
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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", str(Writer() << hexu(0xcafe)));
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EXPECT_EQ("BABE", str(Writer() << hexu(0xbabeu)));
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EXPECT_EQ("DEAD", str(Writer() << hexu(0xdeadl)));
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EXPECT_EQ("BEEF", str(Writer() << hexu(0xbeeful)));
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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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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", str(Writer() << pad(hex(0xcafe), 8)));
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EXPECT_EQ(" babe", str(Writer() << pad(hex(0xbabeu), 8)));
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EXPECT_EQ(" dead", str(Writer() << pad(hex(0xdeadl), 8)));
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EXPECT_EQ(" beef", str(Writer() << pad(hex(0xbeeful), 8)));
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EXPECT_EQ(" 11", str(Writer() << pad(11, 7)));
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EXPECT_EQ(" 22", str(Writer() << pad(22u, 7)));
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EXPECT_EQ(" 33", str(Writer() << pad(33l, 7)));
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EXPECT_EQ(" 44", str(Writer() << pad(44lu, 7)));
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BasicWriter<char> f;
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f.Clear();
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f << pad(42, 5, '0');
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EXPECT_EQ("00042", f.str());
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f.Clear();
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f << Date(2012, 12, 9);
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EXPECT_EQ("2012-12-9", f.str());
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f.Clear();
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f << iso8601(Date(2012, 1, 9));
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EXPECT_EQ("2012-01-09", f.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", str(Writer() << hex(0xcafe)));
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EXPECT_EQ("12", str(Writer() << oct(012)));
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}
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TEST(WriterTest, Format) {
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Writer w;
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w.Format("part{0}") << 1;
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EXPECT_EQ(strlen("part1"), w.size());
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EXPECT_STREQ("part1", w.c_str());
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EXPECT_STREQ("part1", w.data());
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EXPECT_EQ("part1", w.str());
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w.Format("part{0}") << 2;
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EXPECT_EQ(strlen("part1part2"), w.size());
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EXPECT_STREQ("part1part2", w.c_str());
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EXPECT_STREQ("part1part2", w.data());
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EXPECT_EQ("part1part2", w.str());
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}
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TEST(WriterTest, WWriter) {
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EXPECT_EQ(L"cafe", str(fmt::WWriter() << fmt::hex(0xcafe)));
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}
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TEST(FormatterTest, Escape) {
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EXPECT_EQ("{", str(Format("{{")));
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EXPECT_EQ("before {", str(Format("before {{")));
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EXPECT_EQ("{ after", str(Format("{{ after")));
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EXPECT_EQ("before { after", str(Format("before {{ after")));
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EXPECT_EQ("}", str(Format("}}")));
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EXPECT_EQ("before }", str(Format("before }}")));
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EXPECT_EQ("} after", str(Format("}} after")));
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EXPECT_EQ("before } after", str(Format("before }} after")));
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EXPECT_EQ("{}", str(Format("{{}}")));
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EXPECT_EQ("{42}", str(Format("{{{0}}}") << 42));
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}
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TEST(FormatterTest, UnmatchedBraces) {
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EXPECT_THROW_MSG(Format("{"), FormatError, "unmatched '{' in format");
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EXPECT_THROW_MSG(Format("}"), FormatError, "unmatched '}' in format");
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EXPECT_THROW_MSG(Format("{0{}"), FormatError, "unmatched '{' in format");
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}
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TEST(FormatterTest, NoArgs) {
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EXPECT_EQ("test", str(Format("test")));
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}
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TEST(FormatterTest, ArgsInDifferentPositions) {
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EXPECT_EQ("42", str(Format("{0}") << 42));
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EXPECT_EQ("before 42", str(Format("before {0}") << 42));
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EXPECT_EQ("42 after", str(Format("{0} after") << 42));
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EXPECT_EQ("before 42 after", str(Format("before {0} after") << 42));
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EXPECT_EQ("answer = 42", str(Format("{0} = {1}") << "answer" << 42));
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EXPECT_EQ("42 is the answer",
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str(Format("{1} is the {0}") << "answer" << 42));
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EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
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}
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TEST(FormatterTest, ArgErrors) {
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EXPECT_THROW_MSG(Format("{"), FormatError, "unmatched '{' in format");
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EXPECT_THROW_MSG(Format("{x}"), FormatError,
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"invalid argument index in format string");
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EXPECT_THROW_MSG(Format("{0"), FormatError, "unmatched '{' in format");
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EXPECT_THROW_MSG(Format("{0}"), FormatError,
|
|
"argument index is out of range in format");
|
|
|
|
char format[BUFFER_SIZE];
|
|
SPrintf(format, "{%u", UINT_MAX);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
SPrintf(format, "{%u}", UINT_MAX);
|
|
EXPECT_THROW_MSG(Format(format), FormatError,
|
|
"argument index is out of range in format");
|
|
|
|
SPrintf(format, "{%u", UINT_MAX);
|
|
Increment(format + 1);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
std::size_t size = std::strlen(format);
|
|
format[size] = '}';
|
|
format[size + 1] = 0;
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "number is too big in format");
|
|
}
|
|
|
|
TEST(FormatterTest, AutoArgIndex) {
|
|
EXPECT_EQ("abc", str(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", str(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 is out of range in format");
|
|
}
|
|
|
|
TEST(FormatterTest, EmptySpecs) {
|
|
EXPECT_EQ("42", str(Format("{0:}") << 42));
|
|
}
|
|
|
|
TEST(FormatterTest, LeftAlign) {
|
|
EXPECT_EQ("42 ", str(Format("{0:<4}") << 42));
|
|
EXPECT_EQ("42 ", str(Format("{0:<4o}") << 042));
|
|
EXPECT_EQ("42 ", str(Format("{0:<4x}") << 0x42));
|
|
EXPECT_EQ("-42 ", str(Format("{0:<5}") << -42));
|
|
EXPECT_EQ("42 ", str(Format("{0:<5}") << 42u));
|
|
EXPECT_EQ("-42 ", str(Format("{0:<5}") << -42l));
|
|
EXPECT_EQ("42 ", str(Format("{0:<5}") << 42ul));
|
|
EXPECT_EQ("-42 ", str(Format("{0:<5}") << -42.0));
|
|
EXPECT_EQ("-42 ", str(Format("{0:<5}") << -42.0l));
|
|
EXPECT_EQ("c ", str(Format("{0:<5}") << 'c'));
|
|
EXPECT_EQ("abc ", str(Format("{0:<5}") << "abc"));
|
|
EXPECT_EQ("0xface ",
|
|
str(Format("{0:<8}") << reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ("def ", str(Format("{0:<5}") << TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, RightAlign) {
|
|
EXPECT_EQ(" 42", str(Format("{0:>4}") << 42));
|
|
EXPECT_EQ(" 42", str(Format("{0:>4o}") << 042));
|
|
EXPECT_EQ(" 42", str(Format("{0:>4x}") << 0x42));
|
|
EXPECT_EQ(" -42", str(Format("{0:>5}") << -42));
|
|
EXPECT_EQ(" 42", str(Format("{0:>5}") << 42u));
|
|
EXPECT_EQ(" -42", str(Format("{0:>5}") << -42l));
|
|
EXPECT_EQ(" 42", str(Format("{0:>5}") << 42ul));
|
|
EXPECT_EQ(" -42", str(Format("{0:>5}") << -42.0));
|
|
EXPECT_EQ(" -42", str(Format("{0:>5}") << -42.0l));
|
|
EXPECT_EQ(" c", str(Format("{0:>5}") << 'c'));
|
|
EXPECT_EQ(" abc", str(Format("{0:>5}") << "abc"));
|
|
EXPECT_EQ(" 0xface",
|
|
str(Format("{0:>8}") << reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ(" def", str(Format("{0:>5}") << TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, NumericAlign) {
|
|
EXPECT_EQ(" 42", str(Format("{0:=4}") << 42));
|
|
EXPECT_EQ("+ 42", str(Format("{0:=+4}") << 42));
|
|
EXPECT_EQ(" 42", str(Format("{0:=4o}") << 042));
|
|
EXPECT_EQ("+ 42", str(Format("{0:=+4o}") << 042));
|
|
EXPECT_EQ(" 42", str(Format("{0:=4x}") << 0x42));
|
|
EXPECT_EQ("+ 42", str(Format("{0:=+4x}") << 0x42));
|
|
EXPECT_EQ("- 42", str(Format("{0:=5}") << -42));
|
|
EXPECT_EQ(" 42", str(Format("{0:=5}") << 42u));
|
|
EXPECT_EQ("- 42", str(Format("{0:=5}") << -42l));
|
|
EXPECT_EQ(" 42", str(Format("{0:=5}") << 42ul));
|
|
EXPECT_EQ("- 42", str(Format("{0:=5}") << -42.0));
|
|
EXPECT_EQ("- 42", str(Format("{0:=5}") << -42.0l));
|
|
EXPECT_THROW_MSG(Format("{0:=5") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:=5}") << 'c',
|
|
FormatError, "format specifier '=' requires numeric argument");
|
|
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 ", str(Format("{0:^5}") << 42));
|
|
EXPECT_EQ(" 42 ", str(Format("{0:^5o}") << 042));
|
|
EXPECT_EQ(" 42 ", str(Format("{0:^5x}") << 0x42));
|
|
EXPECT_EQ(" -42 ", str(Format("{0:^5}") << -42));
|
|
EXPECT_EQ(" 42 ", str(Format("{0:^5}") << 42u));
|
|
EXPECT_EQ(" -42 ", str(Format("{0:^5}") << -42l));
|
|
EXPECT_EQ(" 42 ", str(Format("{0:^5}") << 42ul));
|
|
EXPECT_EQ(" -42 ", str(Format("{0:^6}") << -42.0));
|
|
EXPECT_EQ(" -42 ", str(Format("{0:^5}") << -42.0l));
|
|
EXPECT_EQ(" c ", str(Format("{0:^5}") << 'c'));
|
|
EXPECT_EQ(" abc ", str(Format("{0:^6}") << "abc"));
|
|
EXPECT_EQ(" 0xface ",
|
|
str(Format("{0:^8}") << reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ(" def ", str(Format("{0:^5}") << TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, Fill) {
|
|
EXPECT_THROW_MSG(Format("{0:{<5}") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:{<5}}") << 'c',
|
|
FormatError, "invalid fill character '{'");
|
|
EXPECT_EQ("**42", str(Format("{0:*>4}") << 42));
|
|
EXPECT_EQ("**-42", str(Format("{0:*>5}") << -42));
|
|
EXPECT_EQ("***42", str(Format("{0:*>5}") << 42u));
|
|
EXPECT_EQ("**-42", str(Format("{0:*>5}") << -42l));
|
|
EXPECT_EQ("***42", str(Format("{0:*>5}") << 42ul));
|
|
EXPECT_EQ("**-42", str(Format("{0:*>5}") << -42.0));
|
|
EXPECT_EQ("**-42", str(Format("{0:*>5}") << -42.0l));
|
|
EXPECT_EQ("c****", str(Format("{0:*<5}") << 'c'));
|
|
EXPECT_EQ("abc**", str(Format("{0:*<5}") << "abc"));
|
|
EXPECT_EQ("**0xface", str(Format("{0:*>8}")
|
|
<< reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ("def**", str(Format("{0:*<5}") << TestString("def")));
|
|
}
|
|
|
|
TEST(FormatterTest, PlusSign) {
|
|
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
|
|
EXPECT_EQ("-42", str(Format("{0:+}") << -42));
|
|
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
|
|
EXPECT_THROW_MSG(Format("{0:+}") << 42u,
|
|
FormatError, "format specifier '+' requires signed argument");
|
|
EXPECT_EQ("+42", str(Format("{0:+}") << 42l));
|
|
EXPECT_THROW_MSG(Format("{0:+}") << 42ul,
|
|
FormatError, "format specifier '+' requires signed argument");
|
|
EXPECT_EQ("+42", str(Format("{0:+}") << 42.0));
|
|
EXPECT_EQ("+42", str(Format("{0:+}") << 42.0l));
|
|
EXPECT_THROW_MSG(Format("{0:+") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:+}") << 'c',
|
|
FormatError, "format specifier '+' requires numeric argument");
|
|
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", str(Format("{0:-}") << 42));
|
|
EXPECT_EQ("-42", str(Format("{0:-}") << -42));
|
|
EXPECT_EQ("42", str(Format("{0:-}") << 42));
|
|
EXPECT_THROW_MSG(Format("{0:-}") << 42u,
|
|
FormatError, "format specifier '-' requires signed argument");
|
|
EXPECT_EQ("42", str(Format("{0:-}") << 42l));
|
|
EXPECT_THROW_MSG(Format("{0:-}") << 42ul,
|
|
FormatError, "format specifier '-' requires signed argument");
|
|
EXPECT_EQ("42", str(Format("{0:-}") << 42.0));
|
|
EXPECT_EQ("42", str(Format("{0:-}") << 42.0l));
|
|
EXPECT_THROW_MSG(Format("{0:-") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:-}") << 'c',
|
|
FormatError, "format specifier '-' requires numeric argument");
|
|
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", str(Format("{0: }") << 42));
|
|
EXPECT_EQ("-42", str(Format("{0: }") << -42));
|
|
EXPECT_EQ(" 42", str(Format("{0: }") << 42));
|
|
EXPECT_THROW_MSG(Format("{0: }") << 42u,
|
|
FormatError, "format specifier ' ' requires signed argument");
|
|
EXPECT_EQ(" 42", str(Format("{0: }") << 42l));
|
|
EXPECT_THROW_MSG(Format("{0: }") << 42ul,
|
|
FormatError, "format specifier ' ' requires signed argument");
|
|
EXPECT_EQ(" 42", str(Format("{0: }") << 42.0));
|
|
EXPECT_EQ(" 42", str(Format("{0: }") << 42.0l));
|
|
EXPECT_THROW_MSG(Format("{0: ") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0: }") << 'c',
|
|
FormatError, "format specifier ' ' requires numeric argument");
|
|
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", str(Format("{0:#}") << 42));
|
|
EXPECT_EQ("-42", str(Format("{0:#}") << -42));
|
|
EXPECT_EQ("0x42", str(Format("{0:#x}") << 0x42));
|
|
EXPECT_EQ("0X42", str(Format("{0:#X}") << 0x42));
|
|
EXPECT_EQ("-0x42", str(Format("{0:#x}") << -0x42));
|
|
EXPECT_EQ("042", str(Format("{0:#o}") << 042));
|
|
EXPECT_EQ("-042", str(Format("{0:#o}") << -042));
|
|
EXPECT_EQ("42", str(Format("{0:#}") << 42u));
|
|
EXPECT_EQ("0x42", str(Format("{0:#x}") << 0x42u));
|
|
EXPECT_EQ("042", str(Format("{0:#o}") << 042u));
|
|
EXPECT_EQ("-42", str(Format("{0:#}") << -42l));
|
|
EXPECT_EQ("0x42", str(Format("{0:#x}") << 0x42l));
|
|
EXPECT_EQ("-0x42", str(Format("{0:#x}") << -0x42l));
|
|
EXPECT_EQ("042", str(Format("{0:#o}") << 042l));
|
|
EXPECT_EQ("-042", str(Format("{0:#o}") << -042l));
|
|
EXPECT_EQ("42", str(Format("{0:#}") << 42ul));
|
|
EXPECT_EQ("0x42", str(Format("{0:#x}") << 0x42ul));
|
|
EXPECT_EQ("042", str(Format("{0:#o}") << 042ul));
|
|
EXPECT_EQ("-42.0000", str(Format("{0:#}") << -42.0));
|
|
EXPECT_EQ("-42.0000", str(Format("{0:#}") << -42.0l));
|
|
EXPECT_THROW_MSG(Format("{0:#") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:#}") << 'c',
|
|
FormatError, "format specifier '#' requires numeric argument");
|
|
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", str(Format("{0:0}") << 42));
|
|
EXPECT_EQ("-0042", str(Format("{0:05}") << -42));
|
|
EXPECT_EQ("00042", str(Format("{0:05}") << 42u));
|
|
EXPECT_EQ("-0042", str(Format("{0:05}") << -42l));
|
|
EXPECT_EQ("00042", str(Format("{0:05}") << 42ul));
|
|
EXPECT_EQ("-0042", str(Format("{0:05}") << -42.0));
|
|
EXPECT_EQ("-0042", str(Format("{0:05}") << -42.0l));
|
|
EXPECT_THROW_MSG(Format("{0:0") << 'c',
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:05}") << 'c',
|
|
FormatError, "format specifier '0' requires numeric argument");
|
|
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[BUFFER_SIZE];
|
|
SPrintf(format, "{0:%u", UINT_MAX);
|
|
Increment(format + 3);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
std::size_t size = std::strlen(format);
|
|
format[size] = '}';
|
|
format[size + 1] = 0;
|
|
EXPECT_THROW_MSG(Format(format) << 0,
|
|
FormatError, "number is too big in format");
|
|
|
|
SPrintf(format, "{0:%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
SPrintf(format, "{0:%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(Format(format) << 0,
|
|
FormatError, "number is too big in format");
|
|
EXPECT_EQ(" -42", str(Format("{0:4}") << -42));
|
|
EXPECT_EQ(" 42", str(Format("{0:5}") << 42u));
|
|
EXPECT_EQ(" -42", str(Format("{0:6}") << -42l));
|
|
EXPECT_EQ(" 42", str(Format("{0:7}") << 42ul));
|
|
EXPECT_EQ(" -1.23", str(Format("{0:8}") << -1.23));
|
|
EXPECT_EQ(" -1.23", str(Format("{0:9}") << -1.23l));
|
|
EXPECT_EQ(" 0xcafe",
|
|
str(Format("{0:10}") << reinterpret_cast<void*>(0xcafe)));
|
|
EXPECT_EQ("x ", str(Format("{0:11}") << 'x'));
|
|
EXPECT_EQ("str ", str(Format("{0:12}") << "str"));
|
|
EXPECT_EQ("test ", str(Format("{0:13}") << TestString("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, Precision) {
|
|
char format[BUFFER_SIZE];
|
|
SPrintf(format, "{0:.%u", UINT_MAX);
|
|
Increment(format + 4);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
std::size_t size = std::strlen(format);
|
|
format[size] = '}';
|
|
format[size + 1] = 0;
|
|
EXPECT_THROW_MSG(Format(format) << 0,
|
|
FormatError, "number is too big in format");
|
|
|
|
SPrintf(format, "{0:.%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
SPrintf(format, "{0:.%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(Format(format) << 0,
|
|
FormatError, "number is too big in format");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.") << 0,
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:.}") << 0,
|
|
FormatError, "missing precision in format");
|
|
EXPECT_THROW_MSG(Format("{0:.2") << 0,
|
|
FormatError, "unmatched '{' in format");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << 42,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << 42,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << 42u,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << 42u,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << 42l,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << 42l,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << 42ul,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << 42ul,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_EQ("1.2", str(Format("{0:.2}") << 1.2345));
|
|
EXPECT_EQ("1.2", str(Format("{0:.2}") << 1.2345l));
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << reinterpret_cast<void*>(0xcafe),
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << reinterpret_cast<void*>(0xcafe),
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << 'x',
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << 'x',
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << "str",
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << "str",
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.2}") << TestString(),
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.2f}") << TestString(),
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
}
|
|
|
|
TEST(FormatterTest, RuntimePrecision) {
|
|
char format[BUFFER_SIZE];
|
|
SPrintf(format, "{0:.{%u", UINT_MAX);
|
|
Increment(format + 4);
|
|
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
|
|
std::size_t size = std::strlen(format);
|
|
format[size] = '}';
|
|
format[size + 1] = 0;
|
|
EXPECT_THROW_MSG(Format(format) << 0, FormatError, "unmatched '{' in format");
|
|
format[size + 1] = '}';
|
|
format[size + 2] = 0;
|
|
EXPECT_THROW_MSG(Format(format) << 0,
|
|
FormatError, "number is too big in format");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.{") << 0,
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:.{}") << 0,
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:.{x}}") << 0,
|
|
FormatError, "invalid argument index in format string");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}") << 0 << 0,
|
|
FormatError, "unmatched '{' in format");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0,
|
|
FormatError, "argument index is out of range in format");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << -1,
|
|
FormatError, "negative precision in format");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << (INT_MAX + 1u),
|
|
FormatError, "number is too big in format");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << -1l,
|
|
FormatError, "negative precision in format");
|
|
if (sizeof(long) > sizeof(int)) {
|
|
long value = INT_MAX;
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << (value + 1),
|
|
FormatError, "number is too big in format");
|
|
}
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << (INT_MAX + 1ul),
|
|
FormatError, "number is too big in format");
|
|
|
|
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 specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42 << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42u << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42u << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42l << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42l << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42ul << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42ul << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_EQ("1.2", str(Format("{0:.{1}}") << 1.2345 << 2));
|
|
EXPECT_EQ("1.2", str(Format("{1:.{0}}") << 2 << 1.2345l));
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << reinterpret_cast<void*>(0xcafe) << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << reinterpret_cast<void*>(0xcafe) << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << 'x' << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 'x' << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << "str" << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << "str" << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
|
|
EXPECT_THROW_MSG(Format("{0:.{1}}") << TestString() << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
EXPECT_THROW_MSG(Format("{0:.{1}f}") << TestString() << 2,
|
|
FormatError, "precision specifier requires floating-point argument");
|
|
}
|
|
|
|
template <typename T>
|
|
void CheckUnknownTypes(
|
|
const T &value, const char *types, const char *type_name) {
|
|
char format[BUFFER_SIZE], message[BUFFER_SIZE];
|
|
const char *special = ".0123456789}";
|
|
for (int i = CHAR_MIN; i <= CHAR_MAX; ++i) {
|
|
char c = i;
|
|
if (std::strchr(types, c) || std::strchr(special, c) || !c) continue;
|
|
SPrintf(format, "{0:10%c}", c);
|
|
if (std::isprint(static_cast<unsigned char>(c)))
|
|
SPrintf(message, "unknown format code '%c' for %s", c, type_name);
|
|
else
|
|
SPrintf(message, "unknown format code '\\x%02x' for %s", c, type_name);
|
|
EXPECT_THROW_MSG(Format(format) << value, FormatError, message)
|
|
<< format << " " << message;
|
|
}
|
|
}
|
|
|
|
TEST(FormatterTest, FormatShort) {
|
|
short s = 42;
|
|
EXPECT_EQ("42", str(Format("{0:d}") << s));
|
|
unsigned short us = 42;
|
|
EXPECT_EQ("42", str(Format("{0:d}") << us));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatInt) {
|
|
EXPECT_THROW_MSG(Format("{0:v") << 42,
|
|
FormatError, "unmatched '{' in format");
|
|
CheckUnknownTypes(42, "doxXb", "integer");
|
|
}
|
|
|
|
TEST(FormatterTest, FormatBin) {
|
|
EXPECT_EQ("0", str(Format("{0:b}") << 0));
|
|
EXPECT_EQ("101010", str(Format("{0:b}") << 42));
|
|
EXPECT_EQ("101010", str(Format("{0:b}") << 42u));
|
|
EXPECT_EQ("-101010", str(Format("{0:b}") << -42));
|
|
EXPECT_EQ("11000000111001", str(Format("{0:b}") << 12345));
|
|
EXPECT_EQ("10010001101000101011001111000", str(Format("{0:b}") << 0x12345678));
|
|
EXPECT_EQ("10010000101010111100110111101111", str(Format("{0:b}") << 0x90ABCDEF));
|
|
EXPECT_EQ("11111111111111111111111111111111",
|
|
str(Format("{0:b}") << std::numeric_limits<uint32_t>::max()));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatDec) {
|
|
EXPECT_EQ("0", str(Format("{0}") << 0));
|
|
EXPECT_EQ("42", str(Format("{0}") << 42));
|
|
EXPECT_EQ("42", str(Format("{0:d}") << 42));
|
|
EXPECT_EQ("42", str(Format("{0}") << 42u));
|
|
EXPECT_EQ("-42", str(Format("{0}") << -42));
|
|
EXPECT_EQ("12345", str(Format("{0}") << 12345));
|
|
EXPECT_EQ("67890", str(Format("{0}") << 67890));
|
|
char buffer[BUFFER_SIZE];
|
|
SPrintf(buffer, "%d", INT_MIN);
|
|
EXPECT_EQ(buffer, str(Format("{0}") << INT_MIN));
|
|
SPrintf(buffer, "%d", INT_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0}") << INT_MAX));
|
|
SPrintf(buffer, "%u", UINT_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0}") << UINT_MAX));
|
|
SPrintf(buffer, "%ld", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, str(Format("{0}") << LONG_MIN));
|
|
SPrintf(buffer, "%ld", LONG_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0}") << LONG_MAX));
|
|
SPrintf(buffer, "%lu", ULONG_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0}") << ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatHex) {
|
|
EXPECT_EQ("0", str(Format("{0:x}") << 0));
|
|
EXPECT_EQ("42", str(Format("{0:x}") << 0x42));
|
|
EXPECT_EQ("42", str(Format("{0:x}") << 0x42u));
|
|
EXPECT_EQ("-42", str(Format("{0:x}") << -0x42));
|
|
EXPECT_EQ("12345678", str(Format("{0:x}") << 0x12345678));
|
|
EXPECT_EQ("90abcdef", str(Format("{0:x}") << 0x90abcdef));
|
|
EXPECT_EQ("12345678", str(Format("{0:X}") << 0x12345678));
|
|
EXPECT_EQ("90ABCDEF", str(Format("{0:X}") << 0x90ABCDEF));
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
SPrintf(buffer, "-%x", 0 - static_cast<unsigned>(INT_MIN));
|
|
EXPECT_EQ(buffer, str(Format("{0:x}") << INT_MIN));
|
|
SPrintf(buffer, "%x", INT_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:x}") << INT_MAX));
|
|
SPrintf(buffer, "%x", UINT_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:x}") << UINT_MAX));
|
|
SPrintf(buffer, "-%lx", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, str(Format("{0:x}") << LONG_MIN));
|
|
SPrintf(buffer, "%lx", LONG_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:x}") << LONG_MAX));
|
|
SPrintf(buffer, "%lx", ULONG_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:x}") << ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatOct) {
|
|
EXPECT_EQ("0", str(Format("{0:o}") << 0));
|
|
EXPECT_EQ("42", str(Format("{0:o}") << 042));
|
|
EXPECT_EQ("42", str(Format("{0:o}") << 042u));
|
|
EXPECT_EQ("-42", str(Format("{0:o}") << -042));
|
|
EXPECT_EQ("12345670", str(Format("{0:o}") << 012345670));
|
|
char buffer[BUFFER_SIZE];
|
|
SPrintf(buffer, "-%o", 0 - static_cast<unsigned>(INT_MIN));
|
|
EXPECT_EQ(buffer, str(Format("{0:o}") << INT_MIN));
|
|
SPrintf(buffer, "%o", INT_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:o}") << INT_MAX));
|
|
SPrintf(buffer, "%o", UINT_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:o}") << UINT_MAX));
|
|
SPrintf(buffer, "-%lo", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, str(Format("{0:o}") << LONG_MIN));
|
|
SPrintf(buffer, "%lo", LONG_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:o}") << LONG_MAX));
|
|
SPrintf(buffer, "%lo", ULONG_MAX);
|
|
EXPECT_EQ(buffer, str(Format("{0:o}") << ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatFloat) {
|
|
EXPECT_EQ("392.500000", str(Format("{0:f}") << 392.5f));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatDouble) {
|
|
CheckUnknownTypes(1.2, "eEfFgG", "double");
|
|
EXPECT_EQ("0", str(Format("{0:}") << 0.0));
|
|
EXPECT_EQ("0.000000", str(Format("{0:f}") << 0.0));
|
|
EXPECT_EQ("392.65", str(Format("{0:}") << 392.65));
|
|
EXPECT_EQ("392.65", str(Format("{0:g}") << 392.65));
|
|
EXPECT_EQ("392.65", str(Format("{0:G}") << 392.65));
|
|
EXPECT_EQ("392.650000", str(Format("{0:f}") << 392.65));
|
|
EXPECT_EQ("392.650000", str(Format("{0:F}") << 392.65));
|
|
char buffer[BUFFER_SIZE];
|
|
SPrintf(buffer, "%e", 392.65);
|
|
EXPECT_EQ(buffer, str(Format("{0:e}") << 392.65));
|
|
SPrintf(buffer, "%E", 392.65);
|
|
EXPECT_EQ(buffer, str(Format("{0:E}") << 392.65));
|
|
EXPECT_EQ("+0000392.6", str(Format("{0:+010.4g}") << 392.65));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatNaN) {
|
|
double nan = std::numeric_limits<double>::quiet_NaN();
|
|
EXPECT_EQ("nan", str(Format("{}") << nan));
|
|
EXPECT_EQ("+nan", str(Format("{:+}") << nan));
|
|
EXPECT_EQ("-nan", str(Format("{}") << -nan));
|
|
EXPECT_EQ(" nan", str(Format("{: }") << nan));
|
|
EXPECT_EQ("NAN", str(Format("{:F}") << nan));
|
|
EXPECT_EQ("nan ", str(Format("{:<7}") << nan));
|
|
EXPECT_EQ(" nan ", str(Format("{:^7}") << nan));
|
|
EXPECT_EQ(" nan", str(Format("{:>7}") << nan));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatInfinity) {
|
|
double inf = std::numeric_limits<double>::infinity();
|
|
EXPECT_EQ("inf", str(Format("{}") << inf));
|
|
EXPECT_EQ("+inf", str(Format("{:+}") << inf));
|
|
EXPECT_EQ("-inf", str(Format("{}") << -inf));
|
|
EXPECT_EQ(" inf", str(Format("{: }") << inf));
|
|
EXPECT_EQ("INF", str(Format("{:F}") << inf));
|
|
EXPECT_EQ("inf ", str(Format("{:<7}") << inf));
|
|
EXPECT_EQ(" inf ", str(Format("{:^7}") << inf));
|
|
EXPECT_EQ(" inf", str(Format("{:>7}") << inf));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatLongDouble) {
|
|
EXPECT_EQ("0", str(Format("{0:}") << 0.0l));
|
|
EXPECT_EQ("0.000000", str(Format("{0:f}") << 0.0l));
|
|
EXPECT_EQ("392.65", str(Format("{0:}") << 392.65l));
|
|
EXPECT_EQ("392.65", str(Format("{0:g}") << 392.65l));
|
|
EXPECT_EQ("392.65", str(Format("{0:G}") << 392.65l));
|
|
EXPECT_EQ("392.650000", str(Format("{0:f}") << 392.65l));
|
|
EXPECT_EQ("392.650000", str(Format("{0:F}") << 392.65l));
|
|
char buffer[BUFFER_SIZE];
|
|
SPrintf(buffer, "%Le", 392.65l);
|
|
EXPECT_EQ(buffer, str(Format("{0:e}") << 392.65l));
|
|
SPrintf(buffer, "%LE", 392.65l);
|
|
EXPECT_EQ("+0000392.6", str(Format("{0:+010.4g}") << 392.65l));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatChar) {
|
|
CheckUnknownTypes('a', "c", "char");
|
|
EXPECT_EQ("a", str(Format("{0}") << 'a'));
|
|
EXPECT_EQ("z", str(Format("{0:c}") << 'z'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatCString) {
|
|
CheckUnknownTypes("test", "s", "string");
|
|
EXPECT_EQ("test", str(Format("{0}") << "test"));
|
|
EXPECT_EQ("test", str(Format("{0:s}") << "test"));
|
|
char nonconst[] = "nonconst";
|
|
EXPECT_EQ("nonconst", str(Format("{0}") << nonconst));
|
|
EXPECT_THROW_MSG(Format("{0}") << reinterpret_cast<const char*>(0),
|
|
FormatError, "string pointer is null");
|
|
}
|
|
|
|
TEST(FormatterTest, FormatPointer) {
|
|
CheckUnknownTypes(reinterpret_cast<void*>(0x1234), "p", "pointer");
|
|
EXPECT_EQ("0x0", str(Format("{0}") << reinterpret_cast<void*>(0)));
|
|
EXPECT_EQ("0x1234", str(Format("{0}") << reinterpret_cast<void*>(0x1234)));
|
|
EXPECT_EQ("0x1234", str(Format("{0:p}") << reinterpret_cast<void*>(0x1234)));
|
|
EXPECT_EQ("0x" + std::string(sizeof(void*) * CHAR_BIT / 4, 'f'),
|
|
str(Format("{0}") << reinterpret_cast<void*>(~uintptr_t())));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatString) {
|
|
EXPECT_EQ("test", str(Format("{0}") << std::string("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatStringRef) {
|
|
EXPECT_EQ("test", str(Format("{0}") << StringRef("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatUsingIOStreams) {
|
|
EXPECT_EQ("a string", str(Format("{0}") << TestString("a string")));
|
|
std::string s = str(fmt::Format("The date is {0}") << Date(2012, 12, 9));
|
|
EXPECT_EQ("The date is 2012-12-9", s);
|
|
Date date(2012, 12, 9);
|
|
CheckUnknownTypes(date, "", "object");
|
|
}
|
|
|
|
class Answer {};
|
|
|
|
template <typename Char>
|
|
void Format(BasicWriter<Char> &f, const fmt::FormatSpec &spec, Answer) {
|
|
f.Write("42", spec);
|
|
}
|
|
|
|
TEST(FormatterTest, CustomFormat) {
|
|
EXPECT_EQ("42", str(Format("{0}") << Answer()));
|
|
}
|
|
|
|
TEST(FormatterTest, WideFormatString) {
|
|
EXPECT_EQ(L"42", str(Format(L"{}") << 42));
|
|
EXPECT_EQ(L"4.2", str(Format(L"{}") << 4.2));
|
|
EXPECT_EQ(L"abc", str(Format(L"{}") << L"abc"));
|
|
EXPECT_EQ(L"z", str(Format(L"{}") << L'z'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatStringFromSpeedTest) {
|
|
EXPECT_EQ("1.2340000000:0042:+3.13:str:0x3e8:X:%",
|
|
str(Format("{0:0.10f}:{1:04}:{2:+g}:{3}:{4}:{5}:%")
|
|
<< 1.234 << 42 << 3.13 << "str"
|
|
<< reinterpret_cast<void*>(1000) << 'X'));
|
|
}
|
|
|
|
TEST(FormatterTest, StringAccess) {
|
|
Writer w;
|
|
EXPECT_EQ("1", str(w.Format("{0}") << 1));
|
|
EXPECT_STREQ("12", c_str(w.Format("{0}") << 2));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatExamples) {
|
|
using fmt::hex;
|
|
EXPECT_EQ("0000cafe", str(BasicWriter<char>() << pad(hex(0xcafe), 8, '0')));
|
|
|
|
std::string message = str(Format("The answer is {}") << 42);
|
|
EXPECT_EQ("The answer is 42", message);
|
|
|
|
EXPECT_EQ("42", str(Format("{}") << 42));
|
|
EXPECT_EQ("42", str(Format(std::string("{}")) << 42));
|
|
EXPECT_EQ("42", str(Format(Format("{{}}")) << 42));
|
|
|
|
Writer writer;
|
|
writer.Format("Current point:\n");
|
|
writer.Format("({0:+f}, {1:+f})\n") << -3.14 << 3.14;
|
|
EXPECT_EQ("Current point:\n(-3.140000, +3.140000)\n", writer.str());
|
|
|
|
{
|
|
fmt::Writer writer;
|
|
for (int i = 0; i < 10; i++)
|
|
writer.Format("{}") << i;
|
|
std::string s = writer.str(); // s == 0123456789
|
|
EXPECT_EQ("0123456789", s);
|
|
}
|
|
}
|
|
|
|
TEST(FormatterTest, StrNamespace) {
|
|
str(Format(""));
|
|
c_str(Format(""));
|
|
}
|
|
|
|
TEST(FormatterTest, ExceptionInNestedFormat) {
|
|
// Exception in nested format may cause Arg's destructor be called before
|
|
// the argument has been attached to a Formatter object.
|
|
EXPECT_THROW(Format(Format("{}")) << 42;, FormatError);
|
|
}
|
|
|
|
TEST(StringRefTest, Ctor) {
|
|
EXPECT_STREQ("abc", StringRef("abc").c_str());
|
|
EXPECT_EQ(3u, StringRef("abc").size());
|
|
|
|
EXPECT_STREQ("defg", StringRef(std::string("defg")).c_str());
|
|
EXPECT_EQ(4u, StringRef(std::string("defg")).size());
|
|
}
|
|
|
|
TEST(StringRefTest, ConvertToString) {
|
|
std::string s = StringRef("abc");
|
|
EXPECT_EQ("abc", s);
|
|
}
|
|
|
|
struct CountCalls {
|
|
int &num_calls;
|
|
|
|
CountCalls(int &num_calls) : num_calls(num_calls) {}
|
|
|
|
void operator()(const Writer &) const {
|
|
++num_calls;
|
|
}
|
|
};
|
|
|
|
TEST(FormatterTest, Action) {
|
|
int num_calls = 0;
|
|
{
|
|
fmt::Formatter<CountCalls> af("test", CountCalls(num_calls));
|
|
EXPECT_EQ(0, num_calls);
|
|
}
|
|
EXPECT_EQ(1, num_calls);
|
|
}
|
|
|
|
TEST(FormatterTest, ActionNotCalledOnError) {
|
|
int num_calls = 0;
|
|
{
|
|
typedef fmt::Formatter<CountCalls> TestFormatter;
|
|
EXPECT_THROW(TestFormatter af("{0", CountCalls(num_calls)), FormatError);
|
|
}
|
|
EXPECT_EQ(0, num_calls);
|
|
}
|
|
|
|
// The test doesn't compile on older compilers which follow C++03 and
|
|
// require an accessible copy constructor when binding a temporary to
|
|
// a const reference.
|
|
#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 7
|
|
TEST(FormatterTest, ArgLifetime) {
|
|
// The following code is for testing purposes only. It is a definite abuse
|
|
// of the API and shouldn't be used in real applications.
|
|
const fmt::Formatter<> &af = fmt::Format("{0}");
|
|
const_cast<fmt::Formatter<>&>(af) << std::string("test");
|
|
// String object passed as an argument to Formatter has been destroyed,
|
|
// but Formatter's dtor hasn't been called yet. That's OK since the Arg's
|
|
// dtor takes care of this and calls Format.
|
|
}
|
|
#endif
|
|
|
|
TEST(FormatterTest, ConvertToStringRef) {
|
|
EXPECT_STREQ("abc", StringRef(Format("a{0}c") << 'b').c_str());
|
|
EXPECT_EQ(3u, StringRef(Format("a{0}c") << 'b').size());
|
|
}
|
|
|
|
struct PrintError {
|
|
void operator()(const fmt::Writer &w) const {
|
|
std::cerr << "Error: " << w.str() << std::endl;
|
|
}
|
|
};
|
|
|
|
fmt::Formatter<PrintError> ReportError(const char *format) {
|
|
return fmt::Formatter<PrintError>(format);
|
|
}
|
|
|
|
TEST(FormatterTest, Examples) {
|
|
EXPECT_EQ("First, thou shalt count to three",
|
|
str(Format("First, thou shalt count to {0}") << "three"));
|
|
EXPECT_EQ("Bring me a shrubbery",
|
|
str(Format("Bring me a {}") << "shrubbery"));
|
|
EXPECT_EQ("From 1 to 3", str(Format("From {} to {}") << 1 << 3));
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
SPrintf(buffer, "%03.2f", -1.2);
|
|
EXPECT_EQ(buffer, str(Format("{:03.2f}") << -1.2));
|
|
|
|
EXPECT_EQ("a, b, c", str(Format("{0}, {1}, {2}") << 'a' << 'b' << 'c'));
|
|
EXPECT_EQ("a, b, c", str(Format("{}, {}, {}") << 'a' << 'b' << 'c'));
|
|
EXPECT_EQ("c, b, a", str(Format("{2}, {1}, {0}") << 'a' << 'b' << 'c'));
|
|
EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
|
|
|
|
EXPECT_EQ("left aligned ",
|
|
str(Format("{:<30}") << "left aligned"));
|
|
EXPECT_EQ(" right aligned",
|
|
str(Format("{:>30}") << "right aligned"));
|
|
EXPECT_EQ(" centered ",
|
|
str(Format("{:^30}") << "centered"));
|
|
EXPECT_EQ("***********centered***********",
|
|
str(Format("{:*^30}") << "centered"));
|
|
|
|
EXPECT_EQ("+3.140000; -3.140000",
|
|
str(Format("{:+f}; {:+f}") << 3.14 << -3.14));
|
|
EXPECT_EQ(" 3.140000; -3.140000",
|
|
str(Format("{: f}; {: f}") << 3.14 << -3.14));
|
|
EXPECT_EQ("3.140000; -3.140000",
|
|
str(Format("{:-f}; {:-f}") << 3.14 << -3.14));
|
|
|
|
EXPECT_EQ("int: 42; hex: 2a; oct: 52",
|
|
str(Format("int: {0:d}; hex: {0:x}; oct: {0:o}") << 42));
|
|
EXPECT_EQ("int: 42; hex: 0x2a; oct: 052",
|
|
str(Format("int: {0:d}; hex: {0:#x}; oct: {0:#o}") << 42));
|
|
|
|
std::string path = "somefile";
|
|
ReportError("File not found: {0}") << path;
|
|
}
|
|
|
|
TEST(FormatIntTest, FormatInt) {
|
|
EXPECT_EQ("42", fmt::FormatInt(42).str());
|
|
EXPECT_EQ("-42", fmt::FormatInt(-42).str());
|
|
}
|
|
|
|
template <typename T>
|
|
std::string str(const T &value) {
|
|
return fmt::str(fmt::Format("{0}") << value);
|
|
}
|
|
|
|
TEST(StrTest, Convert) {
|
|
EXPECT_EQ("42", str(42));
|
|
std::string s = str(Date(2012, 12, 9));
|
|
EXPECT_EQ("2012-12-9", s);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
#ifdef _WIN32
|
|
// Disable message boxes on assertion failures.
|
|
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
|
|
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
|
|
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
|
|
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
|
|
#endif
|
|
testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|