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[libc] [UnitTest] Add Matchers

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Summary: This patch adds gtest-like matchers and `EXPECT|ASSERT_THAT` macros. It also adds matchers `Succeeds` and `Fails` and has examples using these in test/src/signal/sigaddset_test.cpp.

Reviewers: sivachandra, gchatelet, PaulkaToast

Reviewed By: sivachandra, PaulkaToast

Subscribers: mgorny, MaskRay, tschuett, libc-commits

Differential Revision: https://reviews.llvm.org/D75487
This commit is contained in:
Alex Brachet
2020-03-05 18:36:11 -05:00
parent cfff4851ac
commit 1962bc1dfb
8 changed files with 210 additions and 18 deletions
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45
libc/utils/testutils/StreamWrapper.cpp Normal file
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//===--------------------------- StreamWrapper.cpp ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "StreamWrapper.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <memory>
namespace __llvm_libc {
namespace testutils {
StreamWrapper outs() { return {std::addressof(llvm::outs())}; }
template <typename T> StreamWrapper &StreamWrapper::operator<<(T t) {
assert(OS);
llvm::raw_ostream &Stream = *reinterpret_cast<llvm::raw_ostream *>(OS);
Stream << t;
return *this;
}
template StreamWrapper &StreamWrapper::operator<<<const char *>(const char *t);
template StreamWrapper &StreamWrapper::operator<<<char *>(char *t);
template StreamWrapper &StreamWrapper::operator<<<char>(char t);
template StreamWrapper &StreamWrapper::operator<<<short>(short t);
template StreamWrapper &StreamWrapper::operator<<<int>(int t);
template StreamWrapper &StreamWrapper::operator<<<long>(long t);
template StreamWrapper &StreamWrapper::operator<<<long long>(long long t);
template StreamWrapper &
StreamWrapper::operator<<<unsigned char>(unsigned char t);
template StreamWrapper &
StreamWrapper::operator<<<unsigned short>(unsigned short t);
template StreamWrapper &StreamWrapper::operator<<<unsigned int>(unsigned int t);
template StreamWrapper &
StreamWrapper::operator<<<unsigned long>(unsigned long t);
template StreamWrapper &
StreamWrapper::operator<<<unsigned long long>(unsigned long long t);
template StreamWrapper &StreamWrapper::operator<<<bool>(bool t);
} // namespace testutils
} // namespace __llvm_libc