mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-27 04:20:06 +00:00
53ca0cbe75
* all GTest/GMock files moved to `test/gtest` directory * `CMakeLists.txt` created in `test/gtest` from `CMakeLists.txt` in `test` * GTest/GMock target in CMake renamed to `gtest` (was `gmock`) * CMake `gtest` target updated to export includes as "gtest/gtest.h" or "gmock/gmock.h" only * includes in tests updated: "gtest.h" -> "gtest/gtest.h", "gmock.h" -> "gmock/gmock.h" * removed duplications of `target_include_directories` for GTest/GMock directories (CMake manages them)
447 lines
14 KiB
C++
447 lines
14 KiB
C++
// Formatting library for C++ - formatting library implementation tests
|
|
//
|
|
// Copyright (c) 2012 - present, Victor Zverovich
|
|
// All rights reserved.
|
|
//
|
|
// For the license information refer to format.h.
|
|
|
|
#define FMT_NOEXCEPT
|
|
#undef FMT_SHARED
|
|
#include "test-assert.h"
|
|
|
|
// Include format.cc instead of format.h to test implementation.
|
|
#include <algorithm>
|
|
#include <cstring>
|
|
|
|
#include "../src/format.cc"
|
|
#include "fmt/printf.h"
|
|
#include "gmock/gmock.h"
|
|
#include "gtest-extra.h"
|
|
#include "util.h"
|
|
|
|
#ifdef _WIN32
|
|
# include <windows.h>
|
|
# undef max
|
|
#endif
|
|
|
|
using fmt::detail::bigint;
|
|
using fmt::detail::fp;
|
|
using fmt::detail::max_value;
|
|
|
|
static_assert(!std::is_copy_constructible<bigint>::value, "");
|
|
static_assert(!std::is_copy_assignable<bigint>::value, "");
|
|
|
|
TEST(BigIntTest, Construct) {
|
|
EXPECT_EQ("", fmt::format("{}", bigint()));
|
|
EXPECT_EQ("42", fmt::format("{}", bigint(0x42)));
|
|
EXPECT_EQ("123456789abcedf0", fmt::format("{}", bigint(0x123456789abcedf0)));
|
|
}
|
|
|
|
TEST(BigIntTest, Compare) {
|
|
bigint n1(42);
|
|
bigint n2(42);
|
|
EXPECT_EQ(compare(n1, n2), 0);
|
|
n2 <<= 32;
|
|
EXPECT_LT(compare(n1, n2), 0);
|
|
bigint n3(43);
|
|
EXPECT_LT(compare(n1, n3), 0);
|
|
EXPECT_GT(compare(n3, n1), 0);
|
|
bigint n4(42 * 0x100000001);
|
|
EXPECT_LT(compare(n2, n4), 0);
|
|
EXPECT_GT(compare(n4, n2), 0);
|
|
}
|
|
|
|
TEST(BigIntTest, AddCompare) {
|
|
EXPECT_LT(
|
|
add_compare(bigint(0xffffffff), bigint(0xffffffff), bigint(1) <<= 64), 0);
|
|
EXPECT_LT(add_compare(bigint(1) <<= 32, bigint(1), bigint(1) <<= 96), 0);
|
|
EXPECT_GT(add_compare(bigint(1) <<= 32, bigint(0), bigint(0xffffffff)), 0);
|
|
EXPECT_GT(add_compare(bigint(0), bigint(1) <<= 32, bigint(0xffffffff)), 0);
|
|
EXPECT_GT(add_compare(bigint(42), bigint(1), bigint(42)), 0);
|
|
EXPECT_GT(add_compare(bigint(0xffffffff), bigint(1), bigint(0xffffffff)), 0);
|
|
EXPECT_LT(add_compare(bigint(10), bigint(10), bigint(22)), 0);
|
|
EXPECT_LT(add_compare(bigint(0x100000010), bigint(0x100000010),
|
|
bigint(0x300000010)),
|
|
0);
|
|
EXPECT_GT(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
|
|
bigint(0x300000000)),
|
|
0);
|
|
EXPECT_EQ(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
|
|
bigint(0x300000001)),
|
|
0);
|
|
EXPECT_LT(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
|
|
bigint(0x300000002)),
|
|
0);
|
|
EXPECT_LT(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
|
|
bigint(0x300000003)),
|
|
0);
|
|
}
|
|
|
|
TEST(BigIntTest, ShiftLeft) {
|
|
bigint n(0x42);
|
|
n <<= 0;
|
|
EXPECT_EQ("42", fmt::format("{}", n));
|
|
n <<= 1;
|
|
EXPECT_EQ("84", fmt::format("{}", n));
|
|
n <<= 25;
|
|
EXPECT_EQ("108000000", fmt::format("{}", n));
|
|
}
|
|
|
|
TEST(BigIntTest, Multiply) {
|
|
bigint n(0x42);
|
|
EXPECT_THROW(n *= 0, assertion_failure);
|
|
n *= 1;
|
|
EXPECT_EQ("42", fmt::format("{}", n));
|
|
n *= 2;
|
|
EXPECT_EQ("84", fmt::format("{}", n));
|
|
n *= 0x12345678;
|
|
EXPECT_EQ("962fc95e0", fmt::format("{}", n));
|
|
bigint bigmax(max_value<uint32_t>());
|
|
bigmax *= max_value<uint32_t>();
|
|
EXPECT_EQ("fffffffe00000001", fmt::format("{}", bigmax));
|
|
bigmax.assign(max_value<uint64_t>());
|
|
bigmax *= max_value<uint64_t>();
|
|
EXPECT_EQ("fffffffffffffffe0000000000000001", fmt::format("{}", bigmax));
|
|
}
|
|
|
|
TEST(BigIntTest, Accumulator) {
|
|
fmt::detail::accumulator acc;
|
|
EXPECT_EQ(acc.lower, 0);
|
|
EXPECT_EQ(acc.upper, 0);
|
|
acc.upper = 12;
|
|
acc.lower = 34;
|
|
EXPECT_EQ(static_cast<uint32_t>(acc), 34);
|
|
acc += 56;
|
|
EXPECT_EQ(acc.lower, 90);
|
|
acc += fmt::detail::max_value<uint64_t>();
|
|
EXPECT_EQ(acc.upper, 13);
|
|
EXPECT_EQ(acc.lower, 89);
|
|
acc >>= 32;
|
|
EXPECT_EQ(acc.upper, 0);
|
|
EXPECT_EQ(acc.lower, 13 * 0x100000000);
|
|
}
|
|
|
|
TEST(BigIntTest, Square) {
|
|
bigint n0(0);
|
|
n0.square();
|
|
EXPECT_EQ("0", fmt::format("{}", n0));
|
|
bigint n1(0x100);
|
|
n1.square();
|
|
EXPECT_EQ("10000", fmt::format("{}", n1));
|
|
bigint n2(0xfffffffff);
|
|
n2.square();
|
|
EXPECT_EQ("ffffffffe000000001", fmt::format("{}", n2));
|
|
bigint n3(max_value<uint64_t>());
|
|
n3.square();
|
|
EXPECT_EQ("fffffffffffffffe0000000000000001", fmt::format("{}", n3));
|
|
bigint n4;
|
|
n4.assign_pow10(10);
|
|
EXPECT_EQ("2540be400", fmt::format("{}", n4));
|
|
}
|
|
|
|
TEST(BigIntTest, DivModAssignZeroDivisor) {
|
|
bigint zero(0);
|
|
EXPECT_THROW(bigint(0).divmod_assign(zero), assertion_failure);
|
|
EXPECT_THROW(bigint(42).divmod_assign(zero), assertion_failure);
|
|
}
|
|
|
|
TEST(BigIntTest, DivModAssignSelf) {
|
|
bigint n(100);
|
|
EXPECT_THROW(n.divmod_assign(n), assertion_failure);
|
|
}
|
|
|
|
TEST(BigIntTest, DivModAssignUnaligned) {
|
|
// (42 << 340) / pow(10, 100):
|
|
bigint n1(42);
|
|
n1 <<= 340;
|
|
bigint n2;
|
|
n2.assign_pow10(100);
|
|
int result = n1.divmod_assign(n2);
|
|
EXPECT_EQ(result, 9406);
|
|
EXPECT_EQ("10f8353019583bfc29ffc8f564e1b9f9d819dbb4cf783e4507eca1539220p96",
|
|
fmt::format("{}", n1));
|
|
}
|
|
|
|
TEST(BigIntTest, DivModAssign) {
|
|
// 100 / 10:
|
|
bigint n1(100);
|
|
int result = n1.divmod_assign(bigint(10));
|
|
EXPECT_EQ(result, 10);
|
|
EXPECT_EQ("0", fmt::format("{}", n1));
|
|
// pow(10, 100) / (42 << 320):
|
|
n1.assign_pow10(100);
|
|
result = n1.divmod_assign(bigint(42) <<= 320);
|
|
EXPECT_EQ(result, 111);
|
|
EXPECT_EQ("13ad2594c37ceb0b2784c4ce0bf38ace408e211a7caab24308a82e8f10p96",
|
|
fmt::format("{}", n1));
|
|
// 42 / 100:
|
|
bigint n2(42);
|
|
n1.assign_pow10(2);
|
|
result = n2.divmod_assign(n1);
|
|
EXPECT_EQ(result, 0);
|
|
EXPECT_EQ("2a", fmt::format("{}", n2));
|
|
}
|
|
|
|
template <bool is_iec559> void run_double_tests() {
|
|
fmt::print("warning: double is not IEC559, skipping FP tests\n");
|
|
}
|
|
|
|
template <> void run_double_tests<true>() {
|
|
// Construct from double.
|
|
EXPECT_EQ(fp(1.23), fp(0x13ae147ae147aeu, -52));
|
|
}
|
|
|
|
TEST(FPTest, DoubleTests) {
|
|
run_double_tests<std::numeric_limits<double>::is_iec559>();
|
|
}
|
|
|
|
TEST(FPTest, Normalize) {
|
|
const auto v = fp(0xbeef, 42);
|
|
auto normalized = normalize(v);
|
|
EXPECT_EQ(0xbeef000000000000, normalized.f);
|
|
EXPECT_EQ(-6, normalized.e);
|
|
}
|
|
|
|
TEST(FPTest, Multiply) {
|
|
auto v = fp(123ULL << 32, 4) * fp(56ULL << 32, 7);
|
|
EXPECT_EQ(v.f, 123u * 56u);
|
|
EXPECT_EQ(v.e, 4 + 7 + 64);
|
|
v = fp(123ULL << 32, 4) * fp(567ULL << 31, 8);
|
|
EXPECT_EQ(v.f, (123 * 567 + 1u) / 2);
|
|
EXPECT_EQ(v.e, 4 + 8 + 64);
|
|
}
|
|
|
|
TEST(FPTest, GetCachedPower) {
|
|
using limits = std::numeric_limits<double>;
|
|
for (auto exp = limits::min_exponent; exp <= limits::max_exponent; ++exp) {
|
|
int dec_exp = 0;
|
|
auto fp = fmt::detail::get_cached_power(exp, dec_exp);
|
|
bigint exact, cache(fp.f);
|
|
if (dec_exp >= 0) {
|
|
exact.assign_pow10(dec_exp);
|
|
if (fp.e <= 0)
|
|
exact <<= -fp.e;
|
|
else
|
|
cache <<= fp.e;
|
|
exact.align(cache);
|
|
cache.align(exact);
|
|
auto exact_str = fmt::format("{}", exact);
|
|
auto cache_str = fmt::format("{}", cache);
|
|
EXPECT_EQ(exact_str.size(), cache_str.size());
|
|
EXPECT_EQ(exact_str.substr(0, 15), cache_str.substr(0, 15));
|
|
int diff = cache_str[15] - exact_str[15];
|
|
if (diff == 1)
|
|
EXPECT_GT(exact_str[16], '8');
|
|
else
|
|
EXPECT_EQ(diff, 0);
|
|
} else {
|
|
cache.assign_pow10(-dec_exp);
|
|
cache *= fp.f + 1; // Inexact check.
|
|
exact.assign(1);
|
|
exact <<= -fp.e;
|
|
exact.align(cache);
|
|
auto exact_str = fmt::format("{}", exact);
|
|
auto cache_str = fmt::format("{}", cache);
|
|
EXPECT_EQ(exact_str.size(), cache_str.size());
|
|
EXPECT_EQ(exact_str.substr(0, 16), cache_str.substr(0, 16));
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(FPTest, DragonboxMaxK) {
|
|
using fmt::detail::dragonbox::floor_log10_pow2;
|
|
using float_info = fmt::detail::dragonbox::float_info<float>;
|
|
EXPECT_EQ(fmt::detail::const_check(float_info::max_k),
|
|
float_info::kappa - floor_log10_pow2(float_info::min_exponent -
|
|
float_info::significand_bits));
|
|
using double_info = fmt::detail::dragonbox::float_info<double>;
|
|
EXPECT_EQ(
|
|
fmt::detail::const_check(double_info::max_k),
|
|
double_info::kappa - floor_log10_pow2(double_info::min_exponent -
|
|
double_info::significand_bits));
|
|
}
|
|
|
|
TEST(FPTest, GetRoundDirection) {
|
|
using fmt::detail::get_round_direction;
|
|
using fmt::detail::round_direction;
|
|
EXPECT_EQ(round_direction::down, get_round_direction(100, 50, 0));
|
|
EXPECT_EQ(round_direction::up, get_round_direction(100, 51, 0));
|
|
EXPECT_EQ(round_direction::down, get_round_direction(100, 40, 10));
|
|
EXPECT_EQ(round_direction::up, get_round_direction(100, 60, 10));
|
|
for (size_t i = 41; i < 60; ++i)
|
|
EXPECT_EQ(round_direction::unknown, get_round_direction(100, i, 10));
|
|
uint64_t max = max_value<uint64_t>();
|
|
EXPECT_THROW(get_round_direction(100, 100, 0), assertion_failure);
|
|
EXPECT_THROW(get_round_direction(100, 0, 100), assertion_failure);
|
|
EXPECT_THROW(get_round_direction(100, 0, 50), assertion_failure);
|
|
// Check that remainder + error doesn't overflow.
|
|
EXPECT_EQ(round_direction::up, get_round_direction(max, max - 1, 2));
|
|
// Check that 2 * (remainder + error) doesn't overflow.
|
|
EXPECT_EQ(round_direction::unknown,
|
|
get_round_direction(max, max / 2 + 1, max / 2));
|
|
// Check that remainder - error doesn't overflow.
|
|
EXPECT_EQ(round_direction::unknown, get_round_direction(100, 40, 41));
|
|
// Check that 2 * (remainder - error) doesn't overflow.
|
|
EXPECT_EQ(round_direction::up, get_round_direction(max, max - 1, 1));
|
|
}
|
|
|
|
TEST(FPTest, FixedHandler) {
|
|
struct handler : fmt::detail::fixed_handler {
|
|
char buffer[10];
|
|
handler(int prec = 0) : fmt::detail::fixed_handler() {
|
|
buf = buffer;
|
|
precision = prec;
|
|
}
|
|
};
|
|
int exp = 0;
|
|
handler().on_digit('0', 100, 99, 0, exp, false);
|
|
EXPECT_THROW(handler().on_digit('0', 100, 100, 0, exp, false),
|
|
assertion_failure);
|
|
namespace digits = fmt::detail::digits;
|
|
EXPECT_EQ(handler(1).on_digit('0', 100, 10, 10, exp, false), digits::error);
|
|
// Check that divisor - error doesn't overflow.
|
|
EXPECT_EQ(handler(1).on_digit('0', 100, 10, 101, exp, false), digits::error);
|
|
// Check that 2 * error doesn't overflow.
|
|
uint64_t max = max_value<uint64_t>();
|
|
EXPECT_EQ(handler(1).on_digit('0', max, 10, max - 1, exp, false),
|
|
digits::error);
|
|
}
|
|
|
|
TEST(FPTest, GrisuFormatCompilesWithNonIEEEDouble) {
|
|
fmt::memory_buffer buf;
|
|
format_float(0.42, -1, fmt::detail::float_specs(), buf);
|
|
}
|
|
|
|
template <typename T> struct value_extractor {
|
|
T operator()(T value) { return value; }
|
|
|
|
template <typename U> FMT_NORETURN T operator()(U) {
|
|
throw std::runtime_error(fmt::format("invalid type {}", typeid(U).name()));
|
|
}
|
|
|
|
#if FMT_USE_INT128
|
|
// Apple Clang does not define typeid for __int128_t and __uint128_t.
|
|
FMT_NORETURN T operator()(fmt::detail::int128_t) {
|
|
throw std::runtime_error("invalid type __int128_t");
|
|
}
|
|
|
|
FMT_NORETURN T operator()(fmt::detail::uint128_t) {
|
|
throw std::runtime_error("invalid type __uint128_t");
|
|
}
|
|
#endif
|
|
};
|
|
|
|
TEST(FormatTest, ArgConverter) {
|
|
long long value = max_value<long long>();
|
|
auto arg = fmt::detail::make_arg<fmt::format_context>(value);
|
|
fmt::visit_format_arg(
|
|
fmt::detail::arg_converter<long long, fmt::format_context>(arg, 'd'),
|
|
arg);
|
|
EXPECT_EQ(value, fmt::visit_format_arg(value_extractor<long long>(), arg));
|
|
}
|
|
|
|
TEST(FormatTest, StrError) {
|
|
char* message = nullptr;
|
|
char buffer[BUFFER_SIZE];
|
|
EXPECT_ASSERT(fmt::detail::safe_strerror(EDOM, message = nullptr, 0),
|
|
"invalid buffer");
|
|
EXPECT_ASSERT(fmt::detail::safe_strerror(EDOM, message = buffer, 0),
|
|
"invalid buffer");
|
|
buffer[0] = 'x';
|
|
#if defined(_GNU_SOURCE) && !defined(__COVERITY__)
|
|
// Use invalid error code to make sure that safe_strerror returns an error
|
|
// message in the buffer rather than a pointer to a static string.
|
|
int error_code = -1;
|
|
#else
|
|
int error_code = EDOM;
|
|
#endif
|
|
|
|
int result =
|
|
fmt::detail::safe_strerror(error_code, message = buffer, BUFFER_SIZE);
|
|
EXPECT_EQ(result, 0);
|
|
size_t message_size = std::strlen(message);
|
|
EXPECT_GE(BUFFER_SIZE - 1u, message_size);
|
|
EXPECT_EQ(get_system_error(error_code), message);
|
|
|
|
// safe_strerror never uses buffer on MinGW.
|
|
#if !defined(__MINGW32__) && !defined(__sun)
|
|
result =
|
|
fmt::detail::safe_strerror(error_code, message = buffer, message_size);
|
|
EXPECT_EQ(ERANGE, result);
|
|
result = fmt::detail::safe_strerror(error_code, message = buffer, 1);
|
|
EXPECT_EQ(buffer, message); // Message should point to buffer.
|
|
EXPECT_EQ(ERANGE, result);
|
|
EXPECT_STREQ("", message);
|
|
#endif
|
|
}
|
|
|
|
TEST(FormatTest, FormatErrorCode) {
|
|
std::string msg = "error 42", sep = ": ";
|
|
{
|
|
fmt::memory_buffer buffer;
|
|
format_to(buffer, "garbage");
|
|
fmt::detail::format_error_code(buffer, 42, "test");
|
|
EXPECT_EQ("test: " + msg, to_string(buffer));
|
|
}
|
|
{
|
|
fmt::memory_buffer buffer;
|
|
std::string prefix(fmt::inline_buffer_size - msg.size() - sep.size() + 1,
|
|
'x');
|
|
fmt::detail::format_error_code(buffer, 42, prefix);
|
|
EXPECT_EQ(msg, to_string(buffer));
|
|
}
|
|
int codes[] = {42, -1};
|
|
for (size_t i = 0, n = sizeof(codes) / sizeof(*codes); i < n; ++i) {
|
|
// Test maximum buffer size.
|
|
msg = fmt::format("error {}", codes[i]);
|
|
fmt::memory_buffer buffer;
|
|
std::string prefix(fmt::inline_buffer_size - msg.size() - sep.size(), 'x');
|
|
fmt::detail::format_error_code(buffer, codes[i], prefix);
|
|
EXPECT_EQ(prefix + sep + msg, to_string(buffer));
|
|
size_t size = fmt::inline_buffer_size;
|
|
EXPECT_EQ(size, buffer.size());
|
|
buffer.resize(0);
|
|
// Test with a message that doesn't fit into the buffer.
|
|
prefix += 'x';
|
|
fmt::detail::format_error_code(buffer, codes[i], prefix);
|
|
EXPECT_EQ(msg, to_string(buffer));
|
|
}
|
|
}
|
|
|
|
TEST(FormatTest, ComputeWidth) {
|
|
EXPECT_EQ(4,
|
|
fmt::detail::compute_width(
|
|
fmt::basic_string_view<fmt::detail::char8_type>(
|
|
reinterpret_cast<const fmt::detail::char8_type*>("ёжик"))));
|
|
}
|
|
|
|
// Tests fmt::detail::count_digits for integer type Int.
|
|
template <typename Int> void test_count_digits() {
|
|
for (Int i = 0; i < 10; ++i) EXPECT_EQ(1u, fmt::detail::count_digits(i));
|
|
for (Int i = 1, n = 1, end = max_value<Int>() / 10; n <= end; ++i) {
|
|
n *= 10;
|
|
EXPECT_EQ(i, fmt::detail::count_digits(n - 1));
|
|
EXPECT_EQ(i + 1, fmt::detail::count_digits(n));
|
|
}
|
|
}
|
|
|
|
TEST(UtilTest, CountDigits) {
|
|
test_count_digits<uint32_t>();
|
|
test_count_digits<uint64_t>();
|
|
}
|
|
|
|
TEST(UtilTest, WriteFallbackUIntPtr) {
|
|
std::string s;
|
|
fmt::detail::write_ptr<char>(
|
|
std::back_inserter(s),
|
|
fmt::detail::fallback_uintptr(reinterpret_cast<void*>(0xface)), nullptr);
|
|
EXPECT_EQ(s, "0xface");
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
TEST(UtilTest, WriteConsoleSignature) {
|
|
decltype(WriteConsoleW)* p = fmt::detail::WriteConsoleW;
|
|
(void)p;
|
|
}
|
|
#endif
|