Mercurial > minori

annotate dep/fmt/test/compile-fp-test.cc @ 352:a0e96f50bcce

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
chore: merge diverging branches
author Paper <paper@paper.us.eu.org>
date Sun, 14 Jul 2024 23:24:19 -0400
parents 1faa72660932
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
343
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
1 // Formatting library for C++ - formatting library tests
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
2 //
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
3 // Copyright (c) 2012 - present, Victor Zverovich
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
4 // All rights reserved.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
5 //
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
6 // For the license information refer to format.h.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
7
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
8 #include "fmt/compile.h"
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
9 #include "gmock/gmock.h"
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
10
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
11 #if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806 && \
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
12 defined(__cpp_constexpr) && __cpp_constexpr >= 201907 && \
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
13 defined(__cpp_constexpr_dynamic_alloc) && \
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
14 __cpp_constexpr_dynamic_alloc >= 201907 && FMT_CPLUSPLUS >= 202002L
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
15
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
16 template <size_t max_string_length, typename Char = char> struct test_string {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
17 template <typename T> constexpr bool operator==(const T& rhs) const noexcept {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
18 return fmt::basic_string_view<Char>(rhs).compare(buffer) == 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
19 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
20 Char buffer[max_string_length]{};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
21 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
22
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
23 template <size_t max_string_length, typename Char = char, typename... Args>
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
24 consteval auto test_format(auto format, const Args&... args) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
25 test_string<max_string_length, Char> string{};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
26 fmt::format_to(string.buffer, format, args...);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
27 return string;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
28 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
29
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
30 TEST(compile_time_formatting_test, floating_point) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
31 EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{}"), 0.0f));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
32 EXPECT_EQ("392.500000", test_format<11>(FMT_COMPILE("{0:f}"), 392.5f));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
33
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
34 EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{:}"), 0.0));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
35 EXPECT_EQ("0.000000", test_format<9>(FMT_COMPILE("{:f}"), 0.0));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
36 EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{:g}"), 0.0));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
37 EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:}"), 392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
38 EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:g}"), 392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
39 EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:G}"), 392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
40 EXPECT_EQ("4.9014e+06", test_format<11>(FMT_COMPILE("{:g}"), 4.9014e6));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
41 EXPECT_EQ("-392.650000", test_format<12>(FMT_COMPILE("{:f}"), -392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
42 EXPECT_EQ("-392.650000", test_format<12>(FMT_COMPILE("{:F}"), -392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
43
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
44 EXPECT_EQ("3.926500e+02", test_format<13>(FMT_COMPILE("{0:e}"), 392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
45 EXPECT_EQ("3.926500E+02", test_format<13>(FMT_COMPILE("{0:E}"), 392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
46 EXPECT_EQ("+0000392.6", test_format<11>(FMT_COMPILE("{0:+010.4g}"), 392.65));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
47 EXPECT_EQ("9223372036854775808.000000",
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
48 test_format<27>(FMT_COMPILE("{:f}"), 9223372036854775807.0));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
49
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
50 constexpr double nan = std::numeric_limits<double>::quiet_NaN();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
51 EXPECT_EQ("nan", test_format<4>(FMT_COMPILE("{}"), nan));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
52 EXPECT_EQ("+nan", test_format<5>(FMT_COMPILE("{:+}"), nan));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
53 if (std::signbit(-nan))
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
54 EXPECT_EQ("-nan", test_format<5>(FMT_COMPILE("{}"), -nan));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
55 else
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
56 fmt::print("Warning: compiler doesn't handle negative NaN correctly");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
57
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
58 constexpr double inf = std::numeric_limits<double>::infinity();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
59 EXPECT_EQ("inf", test_format<4>(FMT_COMPILE("{}"), inf));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
60 EXPECT_EQ("+inf", test_format<5>(FMT_COMPILE("{:+}"), inf));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
61 EXPECT_EQ("-inf", test_format<5>(FMT_COMPILE("{}"), -inf));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
62 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
63 #endif