mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-27 20:40:06 +00:00
691a7a91a1
* Add a _lot_ more warnings to FMT_PEDANTIC Fix these warnings * Add more compilers to CI Fix (some) of the compiler errors with them * Enable -Werror on CI Increase warning level on MSVC when compiling with FMT_PEDANTIC * Add VS 2013 and 2015 to Appveyor * Fix Appveyor tests Formatting * Implement requested changes Fix some of the MSVC warnings Implement C++11 integer_sequence * Reintroduce appveyor-build.py * Remove ranges-test from tests * Remove (some) explicit warning suppressions Fix C++ standard setting in CI * Remove (some) explicit warning suppressions Fix C++ standard setting in CI * Fix test builds with C++11 * Enable pedantic warnings on tests * Fix warnings from edits to master * Cleanups * Add C++11 support to ranges.h Re-enable ranges-test Fix a Visual Studio error about function not returning a value in printf.h Fix a bug in .travis.yml
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// Formatting library for C++ - custom argument formatter tests
|
|
//
|
|
// Copyright (c) 2012 - present, Victor Zverovich
|
|
// All rights reserved.
|
|
//
|
|
// For the license information refer to format.h.
|
|
|
|
#include "fmt/format.h"
|
|
#include "gtest-extra.h"
|
|
|
|
// A custom argument formatter that doesn't print `-` for floating-point values
|
|
// rounded to 0.
|
|
class custom_arg_formatter :
|
|
public fmt::arg_formatter<fmt::back_insert_range<fmt::internal::buffer>> {
|
|
public:
|
|
typedef fmt::back_insert_range<fmt::internal::buffer> range;
|
|
typedef fmt::arg_formatter<range> base;
|
|
|
|
custom_arg_formatter(fmt::format_context &ctx, fmt::format_specs &s)
|
|
: base(ctx, s) {}
|
|
|
|
using base::operator();
|
|
|
|
iterator operator()(double value) {
|
|
#if FMT_GCC_VERSION
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wfloat-equal"
|
|
#endif
|
|
// Comparing a float to 0.0 is safe
|
|
if (round(value * pow(10, spec().precision())) == 0.0)
|
|
value = 0;
|
|
return base::operator()(value);
|
|
#if FMT_GCC_VERSION
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
}
|
|
};
|
|
|
|
static std::string custom_vformat(fmt::string_view format_str, fmt::format_args args) {
|
|
fmt::memory_buffer buffer;
|
|
// Pass custom argument formatter as a template arg to vwrite.
|
|
fmt::vformat_to<custom_arg_formatter>(buffer, format_str, args);
|
|
return std::string(buffer.data(), buffer.size());
|
|
}
|
|
|
|
template <typename... Args>
|
|
std::string custom_format(const char *format_str, const Args & ... args) {
|
|
auto va = fmt::make_format_args(args...);
|
|
return custom_vformat(format_str, va);
|
|
}
|
|
|
|
TEST(CustomFormatterTest, Format) {
|
|
EXPECT_EQ("0.00", custom_format("{:.2f}", -.00001));
|
|
}
|