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-rw-r--r--thirdparty/fmt/test/format-impl-test.cc477
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diff --git a/thirdparty/fmt/test/format-impl-test.cc b/thirdparty/fmt/test/format-impl-test.cc
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@@ -1,477 +0,0 @@
-// 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.
-
-#include <algorithm>
-#include <cstring>
-
-// clang-format off
-#include "test-assert.h"
-// clang-format on
-
-#include "fmt/format.h"
-#include "gmock/gmock.h"
-#include "util.h"
-
-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(bigint_test, construct) {
- EXPECT_EQ(fmt::to_string(bigint()), "");
- EXPECT_EQ(fmt::to_string(bigint(0x42)), "42");
- EXPECT_EQ(fmt::to_string(bigint(0x123456789abcedf0)), "123456789abcedf0");
-}
-
-TEST(bigint_test, 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(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);
- 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(bigint_test, shift_left) {
- bigint n(0x42);
- n <<= 0;
- EXPECT_EQ(fmt::to_string(n), "42");
- n <<= 1;
- EXPECT_EQ(fmt::to_string(n), "84");
- n <<= 25;
- EXPECT_EQ(fmt::to_string(n), "108000000");
-}
-
-TEST(bigint_test, multiply) {
- bigint n(0x42);
- EXPECT_THROW(n *= 0, assertion_failure);
- n *= 1;
- EXPECT_EQ(fmt::to_string(n), "42");
-
- n *= 2;
- EXPECT_EQ(fmt::to_string(n), "84");
- n *= 0x12345678;
- EXPECT_EQ(fmt::to_string(n), "962fc95e0");
-
- bigint bigmax(max_value<uint32_t>());
- bigmax *= max_value<uint32_t>();
- EXPECT_EQ(fmt::to_string(bigmax), "fffffffe00000001");
-
- const auto max64 = max_value<uint64_t>();
- bigmax = max64;
- bigmax *= max64;
- EXPECT_EQ(fmt::to_string(bigmax), "fffffffffffffffe0000000000000001");
-
- const auto max128 = (fmt::detail::uint128_t(max64) << 64) | max64;
- bigmax = max128;
- bigmax *= max128;
- EXPECT_EQ(fmt::to_string(bigmax),
- "fffffffffffffffffffffffffffffffe00000000000000000000000000000001");
-}
-
-TEST(bigint_test, square) {
- bigint n0(0);
- n0.square();
- EXPECT_EQ(fmt::to_string(n0), "0");
- bigint n1(0x100);
- n1.square();
- EXPECT_EQ(fmt::to_string(n1), "10000");
- bigint n2(0xfffffffff);
- n2.square();
- EXPECT_EQ(fmt::to_string(n2), "ffffffffe000000001");
- bigint n3(max_value<uint64_t>());
- n3.square();
- EXPECT_EQ(fmt::to_string(n3), "fffffffffffffffe0000000000000001");
- bigint n4;
- n4.assign_pow10(10);
- EXPECT_EQ(fmt::to_string(n4), "2540be400");
-}
-
-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(bigint_test, divmod_assign_self) {
- bigint n(100);
- EXPECT_THROW(n.divmod_assign(n), assertion_failure);
-}
-
-TEST(bigint_test, divmod_assign_unaligned) {
- // (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(fmt::to_string(n1),
- "10f8353019583bfc29ffc8f564e1b9f9d819dbb4cf783e4507eca1539220p96");
-}
-
-TEST(bigint_test, divmod_assign) {
- // 100 / 10:
- bigint n1(100);
- int result = n1.divmod_assign(bigint(10));
- EXPECT_EQ(result, 10);
- EXPECT_EQ(fmt::to_string(n1), "0");
- // pow(10, 100) / (42 << 320):
- n1.assign_pow10(100);
- result = n1.divmod_assign(bigint(42) <<= 320);
- EXPECT_EQ(result, 111);
- EXPECT_EQ(fmt::to_string(n1),
- "13ad2594c37ceb0b2784c4ce0bf38ace408e211a7caab24308a82e8f10p96");
- // 42 / 100:
- bigint n2(42);
- n1.assign_pow10(2);
- result = n2.divmod_assign(n1);
- EXPECT_EQ(result, 0);
- EXPECT_EQ(fmt::to_string(n2), "2a");
-}
-
-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(fp_test, double_tests) {
- run_double_tests<std::numeric_limits<double>::is_iec559>();
-}
-
-TEST(fp_test, normalize) {
- const auto v = fp(0xbeef, 42);
- auto normalized = normalize(v);
- EXPECT_EQ(normalized.f, 0xbeef000000000000);
- EXPECT_EQ(normalized.e, -6);
-}
-
-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);
- 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(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(std::numeric_limits<float>::min_exponent -
- fmt::detail::num_significand_bits<float>() - 1));
- 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(
- std::numeric_limits<double>::min_exponent -
- 2 * fmt::detail::num_significand_bits<double>() - 1));
-}
-
-TEST(format_impl_test, format_error_code) {
- std::string msg = "error 42", sep = ": ";
- {
- auto buffer = fmt::memory_buffer();
- fmt::format_to(fmt::appender(buffer), "garbage");
- fmt::detail::format_error_code(buffer, 42, "test");
- EXPECT_EQ(to_string(buffer), "test: " + msg);
- }
- {
- auto buffer = fmt::memory_buffer();
- 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));
- }
- 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;
- 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;
- 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(to_string(buffer), msg);
- }
-}
-
-// 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(fmt::detail::count_digits(n - 1), i);
- EXPECT_EQ(fmt::detail::count_digits(n), i + 1);
- }
-}
-
-TEST(format_impl_test, count_digits) {
- test_count_digits<uint32_t>();
- test_count_digits<uint64_t>();
-}
-
-TEST(format_impl_test, countl_zero) {
- constexpr auto num_bits = fmt::detail::num_bits<uint32_t>();
- uint32_t n = 1u;
- for (int i = 1; i < num_bits - 1; i++) {
- n <<= 1;
- EXPECT_EQ(fmt::detail::countl_zero(n - 1), num_bits - i);
- EXPECT_EQ(fmt::detail::countl_zero(n), num_bits - i - 1);
- }
-}
-
-#if FMT_USE_FLOAT128
-TEST(format_impl_test, write_float128) {
- auto s = std::string();
- fmt::detail::write<char>(std::back_inserter(s), __float128(42));
- EXPECT_EQ(s, "42");
-}
-#endif
-
-struct double_double {
- double a;
- double b;
-
- constexpr explicit double_double(double a_val = 0, double b_val = 0)
- : a(a_val), b(b_val) {}
-
- operator double() const { return a + b; }
- auto operator-() const -> double_double { return double_double(-a, -b); }
-};
-
-auto format_as(double_double d) -> double { return d; }
-
-auto operator>=(const double_double& lhs, const double_double& rhs) -> bool {
- return lhs.a + lhs.b >= rhs.a + rhs.b;
-}
-
-struct slow_float {
- float value;
-
- constexpr explicit slow_float(float val = 0) : value(val) {}
- operator float() const { return value; }
- auto operator-() const -> slow_float { return slow_float(-value); }
-};
-
-auto format_as(slow_float f) -> float { return f; }
-
-namespace std {
-template <> struct numeric_limits<double_double> {
- // is_iec559 is true for double-double in libstdc++.
- static constexpr bool is_iec559 = true;
- static constexpr int digits = 106;
- static constexpr int digits10 = 33;
-};
-
-template <> struct numeric_limits<slow_float> : numeric_limits<float> {};
-} // namespace std
-
-FMT_BEGIN_NAMESPACE
-namespace detail {
-template <> struct is_floating_point<double_double> : std::true_type {};
-template <> struct is_floating_point<slow_float> : std::true_type {};
-template <> struct is_fast_float<slow_float> : std::false_type {};
-namespace dragonbox {
-template <> struct float_info<slow_float> {
- using carrier_uint = uint32_t;
- static const int exponent_bits = 8;
-};
-} // namespace dragonbox
-} // namespace detail
-FMT_END_NAMESPACE
-
-TEST(format_impl_test, write_double_double) {
- auto s = std::string();
- fmt::detail::write<char>(std::back_inserter(s), double_double(42), {});
- // Specializing is_floating_point is broken in MSVC.
- if (!FMT_MSC_VERSION) EXPECT_EQ(s, "42");
-}
-
-TEST(format_impl_test, write_dragon_even) {
- auto s = std::string();
- fmt::detail::write<char>(std::back_inserter(s), slow_float(33554450.0f), {});
- // Specializing is_floating_point is broken in MSVC.
- if (!FMT_MSC_VERSION) EXPECT_EQ(s, "3.355445e+07");
-}
-
-#if defined(_WIN32) && !defined(FMT_USE_WRITE_CONSOLE)
-# include <windows.h>
-
-TEST(format_impl_test, write_console_signature) {
- decltype(::WriteConsoleW)* p = fmt::detail::WriteConsoleW;
- (void)p;
-}
-#endif
-
-// A public domain branchless UTF-8 decoder by Christopher Wellons:
-// https://github.com/skeeto/branchless-utf8
-constexpr auto unicode_is_surrogate(uint32_t c) -> bool {
- return c >= 0xD800U && c <= 0xDFFFU;
-}
-
-FMT_CONSTEXPR auto utf8_encode(char* s, uint32_t c) -> char* {
- if (c >= (1UL << 16)) {
- s[0] = static_cast<char>(0xf0 | (c >> 18));
- s[1] = static_cast<char>(0x80 | ((c >> 12) & 0x3f));
- s[2] = static_cast<char>(0x80 | ((c >> 6) & 0x3f));
- s[3] = static_cast<char>(0x80 | ((c >> 0) & 0x3f));
- return s + 4;
- } else if (c >= (1UL << 11)) {
- s[0] = static_cast<char>(0xe0 | (c >> 12));
- s[1] = static_cast<char>(0x80 | ((c >> 6) & 0x3f));
- s[2] = static_cast<char>(0x80 | ((c >> 0) & 0x3f));
- return s + 3;
- } else if (c >= (1UL << 7)) {
- s[0] = static_cast<char>(0xc0 | (c >> 6));
- s[1] = static_cast<char>(0x80 | ((c >> 0) & 0x3f));
- return s + 2;
- } else {
- s[0] = static_cast<char>(c);
- return s + 1;
- }
-}
-
-// Make sure it can decode every character
-TEST(format_impl_test, utf8_decode_decode_all) {
- for (uint32_t i = 0; i < 0x10ffff; i++) {
- if (!unicode_is_surrogate(i)) {
- int e;
- uint32_t c;
- char buf[8] = {0};
- char* end = utf8_encode(buf, i);
- const char* res = fmt::detail::utf8_decode(buf, &c, &e);
- EXPECT_EQ(end, res);
- EXPECT_EQ(c, i);
- EXPECT_EQ(e, 0);
- }
- }
-}
-
-// Reject everything outside of U+0000..U+10FFFF
-TEST(format_impl_test, utf8_decode_out_of_range) {
- for (uint32_t i = 0x110000; i < 0x1fffff; i++) {
- int e;
- uint32_t c;
- char buf[8] = {0};
- utf8_encode(buf, i);
- const char* end = fmt::detail::utf8_decode(buf, &c, &e);
- EXPECT_NE(e, 0);
- EXPECT_EQ(end - buf, 4);
- }
-}
-
-// Does it reject all surrogate halves?
-TEST(format_impl_test, utf8_decode_surrogate_halves) {
- for (uint32_t i = 0xd800; i <= 0xdfff; i++) {
- int e;
- uint32_t c;
- char buf[8] = {0};
- utf8_encode(buf, i);
- fmt::detail::utf8_decode(buf, &c, &e);
- EXPECT_NE(e, 0);
- }
-}
-
-// How about non-canonical encodings?
-TEST(format_impl_test, utf8_decode_non_canonical_encodings) {
- int e;
- uint32_t c;
- const char* end;
-
- char buf2[8] = {char(0xc0), char(0xA4)};
- end = fmt::detail::utf8_decode(buf2, &c, &e);
- EXPECT_NE(e, 0); // non-canonical len 2
- EXPECT_EQ(end, buf2 + 2); // non-canonical recover 2
-
- char buf3[8] = {char(0xe0), char(0x80), char(0xA4)};
- end = fmt::detail::utf8_decode(buf3, &c, &e);
- EXPECT_NE(e, 0); // non-canonical len 3
- EXPECT_EQ(end, buf3 + 3); // non-canonical recover 3
-
- char buf4[8] = {char(0xf0), char(0x80), char(0x80), char(0xA4)};
- end = fmt::detail::utf8_decode(buf4, &c, &e);
- EXPECT_NE(e, 0); // non-canonical encoding len 4
- EXPECT_EQ(end, buf4 + 4); // non-canonical recover 4
-}
-
-// Let's try some bogus byte sequences
-TEST(format_impl_test, utf8_decode_bogus_byte_sequences) {
- int e;
- uint32_t c;
-
- // Invalid first byte
- char buf0[4] = {char(0xff)};
- auto len = fmt::detail::utf8_decode(buf0, &c, &e) - buf0;
- EXPECT_NE(e, 0); // "bogus [ff] 0x%02x U+%04lx", e, (unsigned long)c);
- EXPECT_EQ(len, 1); // "bogus [ff] recovery %d", len);
-
- // Invalid first byte
- char buf1[4] = {char(0x80)};
- len = fmt::detail::utf8_decode(buf1, &c, &e) - buf1;
- EXPECT_NE(e, 0); // "bogus [80] 0x%02x U+%04lx", e, (unsigned long)c);
- EXPECT_EQ(len, 1); // "bogus [80] recovery %d", len);
-
- // Looks like a two-byte sequence but second byte is wrong
- char buf2[4] = {char(0xc0), char(0x0a)};
- len = fmt::detail::utf8_decode(buf2, &c, &e) - buf2;
- EXPECT_NE(e, 0); // "bogus [c0 0a] 0x%02x U+%04lx", e, (unsigned long)c
- EXPECT_EQ(len, 2); // "bogus [c0 0a] recovery %d", len);
-}
-
-TEST(format_impl_test, to_utf8) {
- auto s = std::string("ёжик");
- auto u = fmt::detail::to_utf8<wchar_t>(L"\x0451\x0436\x0438\x043A");
- EXPECT_EQ(s, u.str());
- EXPECT_EQ(s.size(), u.size());
-}
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