1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
//===----------------------------------------------------------------------===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
// TODO FMT This test should not require std::to_chars(floating-point)
// XFAIL: availability-fp_to_chars-missing
// <format>
// template<class charT, formattable<charT>... Ts>
// struct formatter<pair-or-tuple<Ts...>, charT>
//
// tested in the format functions
//
// template<class... Args>
// string format(format-string<Args...> fmt, const Args&... args);
// template<class... Args>
// wstring format(wformat-string<Args...> fmt, const Args&... args);
#include <format>
#include <cassert>
#include "format.functions.tests.h"
#include "test_format_string.h"
#include "test_macros.h"
#include "assert_macros.h"
#include "concat_macros.h"
auto test = []<class CharT, class... Args>(
std::basic_string_view<CharT> expected, test_format_string<CharT, Args...> fmt, Args&&... args) {
std::basic_string<CharT> out = std::format(fmt, std::forward<Args>(args)...);
TEST_REQUIRE(out == expected,
TEST_WRITE_CONCATENATED(
"\nFormat string ", fmt.get(), "\nExpected output ", expected, "\nActual output ", out, '\n'));
};
auto test_exception = []<class CharT, class... Args>(std::string_view, std::basic_string_view<CharT>, Args&&...) {
// After P2216 most exceptions thrown by std::format become ill-formed.
// Therefore this tests does nothing.
// A basic ill-formed test is done in format.verify.cpp
// The exceptions are tested by other functions that don't use the basic-format-string as fmt argument.
};
int main(int, char**) {
run_tests<char>(test, test_exception);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
run_tests<wchar_t>(test, test_exception);
#endif
return 0;
}
|
