//
// 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.h"
-#include "gtest-extra.h"
-#include "util.h"
+// clang-format off
+#include "test-assert.h"
+// clang-format on
-#undef max
+#include "fmt/format.h"
+#include "gmock/gmock.h"
+#include "util.h"
using fmt::detail::bigint;
using fmt::detail::fp;
static_assert(!std::is_copy_constructible<bigint>::value, "");
static_assert(!std::is_copy_assignable<bigint>::value, "");
-TEST(BigIntTest, Construct) {
+TEST(bigint_test, construct) {
EXPECT_EQ("", fmt::format("{}", bigint()));
EXPECT_EQ("42", fmt::format("{}", bigint(0x42)));
EXPECT_EQ("123456789abcedf0", fmt::format("{}", bigint(0x123456789abcedf0)));
}
-TEST(BigIntTest, Compare) {
+TEST(bigint_test, compare) {
bigint n1(42);
bigint n2(42);
EXPECT_EQ(compare(n1, n2), 0);
EXPECT_GT(compare(n4, n2), 0);
}
-TEST(BigIntTest, AddCompare) {
+TEST(bigint_test, add_compare) {
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);
0);
}
-TEST(BigIntTest, ShiftLeft) {
+TEST(bigint_test, shift_left) {
bigint n(0x42);
n <<= 0;
EXPECT_EQ("42", fmt::format("{}", n));
EXPECT_EQ("108000000", fmt::format("{}", n));
}
-TEST(BigIntTest, Multiply) {
+TEST(bigint_test, multiply) {
bigint n(0x42);
EXPECT_THROW(n *= 0, assertion_failure);
n *= 1;
EXPECT_EQ("fffffffffffffffe0000000000000001", fmt::format("{}", bigmax));
}
-TEST(BigIntTest, Accumulator) {
+TEST(bigint_test, accumulator) {
fmt::detail::accumulator acc;
EXPECT_EQ(acc.lower, 0);
EXPECT_EQ(acc.upper, 0);
EXPECT_EQ(static_cast<uint32_t>(acc), 34);
acc += 56;
EXPECT_EQ(acc.lower, 90);
- acc += fmt::detail::max_value<uint64_t>();
+ acc += max_value<uint64_t>();
EXPECT_EQ(acc.upper, 13);
EXPECT_EQ(acc.lower, 89);
acc >>= 32;
EXPECT_EQ(acc.lower, 13 * 0x100000000);
}
-TEST(BigIntTest, Square) {
+TEST(bigint_test, square) {
bigint n0(0);
n0.square();
EXPECT_EQ("0", fmt::format("{}", n0));
EXPECT_EQ("2540be400", fmt::format("{}", n4));
}
-TEST(BigIntTest, DivModAssignZeroDivisor) {
+TEST(bigint_test, divmod_assign_zero_divisor) {
bigint zero(0);
EXPECT_THROW(bigint(0).divmod_assign(zero), assertion_failure);
EXPECT_THROW(bigint(42).divmod_assign(zero), assertion_failure);
}
-TEST(BigIntTest, DivModAssignSelf) {
+TEST(bigint_test, divmod_assign_self) {
bigint n(100);
EXPECT_THROW(n.divmod_assign(n), assertion_failure);
}
-TEST(BigIntTest, DivModAssignUnaligned) {
+TEST(bigint_test, divmod_assign_unaligned) {
// (42 << 340) / pow(10, 100):
bigint n1(42);
n1 <<= 340;
fmt::format("{}", n1));
}
-TEST(BigIntTest, DivModAssign) {
+TEST(bigint_test, divmod_assign) {
// 100 / 10:
bigint n1(100);
int result = n1.divmod_assign(bigint(10));
template <> void run_double_tests<true>() {
// Construct from double.
EXPECT_EQ(fp(1.23), fp(0x13ae147ae147aeu, -52));
-
- // Compute boundaries:
- fp value;
- // Normalized & not power of 2 - equidistant boundaries:
- auto b = value.assign_with_boundaries(1.23);
- EXPECT_EQ(value, fp(0x0013ae147ae147ae, -52));
- EXPECT_EQ(b.lower, 0x9d70a3d70a3d6c00);
- EXPECT_EQ(b.upper, 0x9d70a3d70a3d7400);
- // Normalized power of 2 - lower boundary is closer:
- b = value.assign_with_boundaries(1.9807040628566084e+28); // 2**94
- EXPECT_EQ(value, fp(0x0010000000000000, 42));
- EXPECT_EQ(b.lower, 0x7ffffffffffffe00);
- EXPECT_EQ(b.upper, 0x8000000000000400);
- // Smallest normalized double - equidistant boundaries:
- b = value.assign_with_boundaries(2.2250738585072014e-308);
- EXPECT_EQ(value, fp(0x0010000000000000, -1074));
- EXPECT_EQ(b.lower, 0x7ffffffffffffc00);
- EXPECT_EQ(b.upper, 0x8000000000000400);
- // Subnormal - equidistant boundaries:
- b = value.assign_with_boundaries(4.9406564584124654e-324);
- EXPECT_EQ(value, fp(0x0000000000000001, -1074));
- EXPECT_EQ(b.lower, 0x4000000000000000);
- EXPECT_EQ(b.upper, 0xc000000000000000);
}
-TEST(FPTest, DoubleTests) {
+TEST(fp_test, double_tests) {
run_double_tests<std::numeric_limits<double>::is_iec559>();
}
-TEST(FPTest, Normalize) {
+TEST(fp_test, normalize) {
const auto v = fp(0xbeef, 42);
auto normalized = normalize(v);
EXPECT_EQ(0xbeef000000000000, normalized.f);
EXPECT_EQ(-6, normalized.e);
}
-TEST(FPTest, ComputeFloatBoundaries) {
- struct {
- double x, lower, upper;
- } tests[] = {
- // regular
- {1.5f, 1.4999999403953552, 1.5000000596046448},
- // boundary
- {1.0f, 0.9999999701976776, 1.0000000596046448},
- // min normal
- {1.1754944e-38f, 1.1754942807573643e-38, 1.1754944208872107e-38},
- // max subnormal
- {1.1754942e-38f, 1.1754941406275179e-38, 1.1754942807573643e-38},
- // min subnormal
- {1e-45f, 7.006492321624085e-46, 2.1019476964872256e-45},
- };
- for (auto test : tests) {
- fp vlower = normalize(fp(test.lower));
- fp vupper = normalize(fp(test.upper));
- vlower.f >>= vupper.e - vlower.e;
- vlower.e = vupper.e;
- fp value;
- auto b = value.assign_float_with_boundaries(test.x);
- EXPECT_EQ(vlower.f, b.lower);
- EXPECT_EQ(vupper.f, b.upper);
- }
-}
-
-TEST(FPTest, Multiply) {
+TEST(fp_test, multiply) {
auto v = fp(123ULL << 32, 4) * fp(56ULL << 32, 7);
EXPECT_EQ(v.f, 123u * 56u);
EXPECT_EQ(v.e, 4 + 7 + 64);
EXPECT_EQ(v.e, 4 + 8 + 64);
}
-TEST(FPTest, GetCachedPower) {
- typedef std::numeric_limits<double> limits;
+TEST(fp_test, get_cached_power) {
+ 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);
- EXPECT_LE(exp, fp.e);
- int dec_exp_step = 8;
- EXPECT_LE(fp.e, exp + dec_exp_step * log2(10));
- EXPECT_DOUBLE_EQ(pow(10, dec_exp), ldexp(static_cast<double>(fp.f), fp.e));
+ 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, GetRoundDirection) {
+TEST(fp_test, dragonbox_max_k) {
+ 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(fp_test, get_round_direction) {
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(max, max - 1, 1));
}
-TEST(FPTest, FixedHandler) {
+TEST(fp_test, fixed_handler) {
struct handler : fmt::detail::fixed_handler {
char buffer[10];
handler(int prec = 0) : fmt::detail::fixed_handler() {
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::done);
+ 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.
digits::error);
}
-TEST(FPTest, GrisuFormatCompilesWithNonIEEEDouble) {
+TEST(fp_test, grisu_format_compiles_with_on_ieee_double) {
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, FormatNegativeNaN) {
- double nan = std::numeric_limits<double>::quiet_NaN();
- if (std::signbit(-nan))
- EXPECT_EQ("-nan", fmt::format("{}", -nan));
- else
- fmt::print("Warning: compiler doesn't handle negative NaN correctly");
-}
-
-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) {
+TEST(format_impl_test, format_error_code) {
std::string msg = "error 42", sep = ": ";
{
fmt::memory_buffer buffer;
- format_to(buffer, "garbage");
+ format_to(fmt::appender(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');
+ auto prefix =
+ std::string(fmt::inline_buffer_size - msg.size() - sep.size() + 1, 'x');
fmt::detail::format_error_code(buffer, 42, prefix);
EXPECT_EQ(msg, to_string(buffer));
}
// 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');
+ auto prefix =
+ std::string(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;
}
}
-TEST(FormatTest, CountCodePoints) {
+TEST(format_impl_test, compute_width) {
EXPECT_EQ(4,
- fmt::detail::count_code_points(
+ fmt::detail::compute_width(
fmt::basic_string_view<fmt::detail::char8_type>(
reinterpret_cast<const fmt::detail::char8_type*>("ёжик"))));
}
}
}
-TEST(UtilTest, CountDigits) {
+TEST(format_impl_test, count_digits) {
test_count_digits<uint32_t>();
test_count_digits<uint64_t>();
}
-TEST(UtilTest, WriteFallbackUIntPtr) {
+TEST(format_impl_test, write_fallback_uintptr) {
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
+# include <windows.h>
+#endif
+
+#ifdef _WIN32
+TEST(format_impl_test, write_console_signature) {
+ decltype(WriteConsoleW)* p = fmt::detail::WriteConsoleW;
+ (void)p;
+}
+#endif
projects / ceph.git / blobdiff