mirror of
https://github.com/catchorg/Catch2.git
synced 2025-10-30 19:57:10 +01:00
cde3509664
* bugprone-branch-clone * bugprone-copy-constructor-init * bugprone-empty-catch * bugprone-sizeof-expression * bugprone-switch-missing-default-case * bugprone-unused-local-non-trivial-variable * clang-analyzer-core.uninitialized.Assign * clang-analyzer-cplusplus.Move * clang-analyzer-optin.cplusplus.VirtualCall * modernize-loop-convert * modernize-raw-string-literal * modernize-use-equals-default * modernize-use-override * modernize-use-using * performance-avoid-endl * performance-inefficient-string-concatenation * performance-inefficient-vector-operation * performance-noexcept-move-constructor * performance-unnecessary-value-param (and improve generator example) * readability-duplicate-include * readability-inconsistent-declaration-parameter-name * readability-non-const-parameter * readability-redundant-casting * readability-redundant-member-init * readability-redundant-smartptr-get * readability-static-accessed-through-instance * unused variable in amalgamted tests
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
|
|
// Copyright Catch2 Authors
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// (See accompanying file LICENSE.txt or copy at
|
|
// https://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
|
|
// 231-Cfg-OutputStreams.cpp
|
|
// Show how to replace the streams with a simple custom made streambuf.
|
|
|
|
// Note that this reimplementation _does not_ follow `std::cerr`
|
|
// semantic, because it buffers the output. For most uses however,
|
|
// there is no important difference between having `std::cerr` buffered
|
|
// or unbuffered.
|
|
#include <catch2/catch_test_macros.hpp>
|
|
|
|
#include <sstream>
|
|
#include <cstdio>
|
|
|
|
class out_buff : public std::stringbuf {
|
|
std::FILE* m_stream;
|
|
public:
|
|
out_buff(std::FILE* stream):m_stream(stream) {}
|
|
~out_buff() override;
|
|
int sync() override {
|
|
int ret = 0;
|
|
for (unsigned char c : str()) {
|
|
if (putc(c, m_stream) == EOF) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
}
|
|
// Reset the buffer to avoid printing it multiple times
|
|
str("");
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
out_buff::~out_buff() { pubsync(); }
|
|
|
|
#if defined(__clang__)
|
|
#pragma clang diagnostic ignored "-Wexit-time-destructors" // static variables in cout/cerr/clog
|
|
#endif
|
|
|
|
namespace Catch {
|
|
std::ostream& cout() {
|
|
static std::ostream ret(new out_buff(stdout));
|
|
return ret;
|
|
}
|
|
std::ostream& clog() {
|
|
static std::ostream ret(new out_buff(stderr));
|
|
return ret;
|
|
}
|
|
std::ostream& cerr() {
|
|
return clog();
|
|
}
|
|
}
|
|
|
|
|
|
TEST_CASE("This binary uses putc to write out output", "[compilation-only]") {
|
|
SUCCEED("Nothing to test.");
|
|
}
|