78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
//===-- MemoryMatcher.cpp ---------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "MemoryMatcher.h"
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#include "test/UnitTest/Test.h"
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using LIBC_NAMESPACE::testing::tlog;
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namespace LIBC_NAMESPACE {
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namespace testing {
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template <typename T>
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bool equals(const cpp::span<T> &Span1, const cpp::span<T> &Span2,
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bool &mismatch_size, size_t &mismatch_index) {
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if (Span1.size() != Span2.size()) {
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mismatch_size = true;
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return false;
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}
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for (size_t Index = 0; Index < Span1.size(); ++Index)
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if (Span1[Index] != Span2[Index]) {
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mismatch_index = Index;
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return false;
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}
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return true;
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}
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bool MemoryMatcher::match(MemoryView actualValue) {
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actual = actualValue;
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return equals(expected, actual, mismatch_size, mismatch_index);
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}
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static void display(char C) {
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const auto print = [](unsigned char I) {
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tlog << static_cast<char>(I < 10 ? '0' + I : 'A' + I - 10);
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};
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print(static_cast<unsigned char>(C) / 16);
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print(static_cast<unsigned char>(C) & 15);
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}
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static void display(MemoryView View) {
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for (auto C : View) {
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tlog << ' ';
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display(C);
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}
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}
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void MemoryMatcher::explainError() {
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if (mismatch_size) {
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tlog << "Size mismatch :";
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tlog << "expected : ";
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tlog << expected.size();
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tlog << '\n';
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tlog << "actual : ";
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tlog << actual.size();
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tlog << '\n';
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} else {
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tlog << "Mismatch at position : ";
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tlog << mismatch_index;
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tlog << " / ";
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tlog << expected.size();
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tlog << "\n";
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tlog << "expected :";
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display(expected);
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tlog << '\n';
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tlog << "actual :";
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display(actual);
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tlog << '\n';
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}
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}
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} // namespace testing
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} // namespace LIBC_NAMESPACE
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