Mercurial > minori
comparison dep/fmt/test/compile-fp-test.cc @ 343:1faa72660932
*: transfer back to cmake from autotools
autotools just made lots of things more complicated than
they should have and many things broke (i.e. translations)
author | Paper <paper@paper.us.eu.org> |
---|---|
date | Thu, 20 Jun 2024 05:56:06 -0400 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
342:adb79bdde329 | 343:1faa72660932 |
---|---|
1 // Formatting library for C++ - formatting library tests | |
2 // | |
3 // Copyright (c) 2012 - present, Victor Zverovich | |
4 // All rights reserved. | |
5 // | |
6 // For the license information refer to format.h. | |
7 | |
8 #include "fmt/compile.h" | |
9 #include "gmock/gmock.h" | |
10 | |
11 #if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806 && \ | |
12 defined(__cpp_constexpr) && __cpp_constexpr >= 201907 && \ | |
13 defined(__cpp_constexpr_dynamic_alloc) && \ | |
14 __cpp_constexpr_dynamic_alloc >= 201907 && FMT_CPLUSPLUS >= 202002L | |
15 | |
16 template <size_t max_string_length, typename Char = char> struct test_string { | |
17 template <typename T> constexpr bool operator==(const T& rhs) const noexcept { | |
18 return fmt::basic_string_view<Char>(rhs).compare(buffer) == 0; | |
19 } | |
20 Char buffer[max_string_length]{}; | |
21 }; | |
22 | |
23 template <size_t max_string_length, typename Char = char, typename... Args> | |
24 consteval auto test_format(auto format, const Args&... args) { | |
25 test_string<max_string_length, Char> string{}; | |
26 fmt::format_to(string.buffer, format, args...); | |
27 return string; | |
28 } | |
29 | |
30 TEST(compile_time_formatting_test, floating_point) { | |
31 EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{}"), 0.0f)); | |
32 EXPECT_EQ("392.500000", test_format<11>(FMT_COMPILE("{0:f}"), 392.5f)); | |
33 | |
34 EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{:}"), 0.0)); | |
35 EXPECT_EQ("0.000000", test_format<9>(FMT_COMPILE("{:f}"), 0.0)); | |
36 EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{:g}"), 0.0)); | |
37 EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:}"), 392.65)); | |
38 EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:g}"), 392.65)); | |
39 EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:G}"), 392.65)); | |
40 EXPECT_EQ("4.9014e+06", test_format<11>(FMT_COMPILE("{:g}"), 4.9014e6)); | |
41 EXPECT_EQ("-392.650000", test_format<12>(FMT_COMPILE("{:f}"), -392.65)); | |
42 EXPECT_EQ("-392.650000", test_format<12>(FMT_COMPILE("{:F}"), -392.65)); | |
43 | |
44 EXPECT_EQ("3.926500e+02", test_format<13>(FMT_COMPILE("{0:e}"), 392.65)); | |
45 EXPECT_EQ("3.926500E+02", test_format<13>(FMT_COMPILE("{0:E}"), 392.65)); | |
46 EXPECT_EQ("+0000392.6", test_format<11>(FMT_COMPILE("{0:+010.4g}"), 392.65)); | |
47 EXPECT_EQ("9223372036854775808.000000", | |
48 test_format<27>(FMT_COMPILE("{:f}"), 9223372036854775807.0)); | |
49 | |
50 constexpr double nan = std::numeric_limits<double>::quiet_NaN(); | |
51 EXPECT_EQ("nan", test_format<4>(FMT_COMPILE("{}"), nan)); | |
52 EXPECT_EQ("+nan", test_format<5>(FMT_COMPILE("{:+}"), nan)); | |
53 if (std::signbit(-nan)) | |
54 EXPECT_EQ("-nan", test_format<5>(FMT_COMPILE("{}"), -nan)); | |
55 else | |
56 fmt::print("Warning: compiler doesn't handle negative NaN correctly"); | |
57 | |
58 constexpr double inf = std::numeric_limits<double>::infinity(); | |
59 EXPECT_EQ("inf", test_format<4>(FMT_COMPILE("{}"), inf)); | |
60 EXPECT_EQ("+inf", test_format<5>(FMT_COMPILE("{:+}"), inf)); | |
61 EXPECT_EQ("-inf", test_format<5>(FMT_COMPILE("{}"), -inf)); | |
62 } | |
63 #endif |