forked from OSchip/llvm-project
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
//===-- MemoryMatcher.cpp ---------------------------------------*- C++ -*-===//
|
|
//
|
|
// 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 "MemoryMatcher.h"
|
|
|
|
namespace __llvm_libc {
|
|
namespace memory {
|
|
namespace testing {
|
|
|
|
template <typename T>
|
|
bool equals(const cpp::span<T> &Span1, const cpp::span<T> &Span2,
|
|
bool &mismatch_size, size_t &mismatch_index) {
|
|
if (Span1.size() != Span2.size()) {
|
|
mismatch_size = true;
|
|
return false;
|
|
}
|
|
for (size_t Index = 0; Index < Span1.size(); ++Index)
|
|
if (Span1[Index] != Span2[Index]) {
|
|
mismatch_index = Index;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool MemoryMatcher::match(MemoryView actualValue) {
|
|
actual = actualValue;
|
|
return equals(expected, actual, mismatch_size, mismatch_index);
|
|
}
|
|
|
|
void display(testutils::StreamWrapper &Stream, char C) {
|
|
const auto print = [&Stream](unsigned char I) {
|
|
Stream << static_cast<char>(I < 10 ? '0' + I : 'A' + I - 10);
|
|
};
|
|
print(static_cast<unsigned char>(C) / 16);
|
|
print(static_cast<unsigned char>(C) & 15);
|
|
}
|
|
|
|
void display(testutils::StreamWrapper &Stream, MemoryView View) {
|
|
for (auto C : View) {
|
|
Stream << ' ';
|
|
display(Stream, C);
|
|
}
|
|
}
|
|
|
|
void MemoryMatcher::explainError(testutils::StreamWrapper &Stream) {
|
|
if (mismatch_size) {
|
|
Stream << "Size mismatch :";
|
|
Stream << "expected : ";
|
|
Stream << expected.size();
|
|
Stream << '\n';
|
|
Stream << "actual : ";
|
|
Stream << actual.size();
|
|
Stream << '\n';
|
|
} else {
|
|
Stream << "Mismatch at position : ";
|
|
Stream << mismatch_index;
|
|
Stream << " / ";
|
|
Stream << expected.size();
|
|
Stream << "\n";
|
|
Stream << "expected :";
|
|
display(Stream, expected);
|
|
Stream << '\n';
|
|
Stream << "actual :";
|
|
display(Stream, actual);
|
|
Stream << '\n';
|
|
}
|
|
}
|
|
|
|
} // namespace testing
|
|
} // namespace memory
|
|
} // namespace __llvm_libc
|