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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing.h"
#include "flutter/fml/file.h"
#include "flutter/fml/paths.h"
namespace flutter {
namespace testing {
std::string GetCurrentTestName() {
return ::testing::UnitTest::GetInstance()->current_test_info()->name();
}
std::string GetDefaultKernelFilePath() {
return fml::paths::JoinPaths({GetFixturesPath(), "kernel_blob.bin"});
}
fml::UniqueFD OpenFixturesDirectory() {
auto fixtures_directory =
OpenDirectory(GetFixturesPath(), // path
false, // create
fml::FilePermission::kRead // permission
);
if (!fixtures_directory.is_valid()) {
FML_LOG(ERROR) << "Could not open fixtures directory.";
return {};
}
return fixtures_directory;
}
fml::UniqueFD OpenFixture(std::string fixture_name) {
if (fixture_name.size() == 0) {
FML_LOG(ERROR) << "Invalid fixture name.";
return {};
}
auto fixtures_directory = OpenFixturesDirectory();
auto fixture_fd = fml::OpenFile(fixtures_directory, // base directory
fixture_name.c_str(), // path
false, // create
fml::FilePermission::kRead // permission
);
if (!fixture_fd.is_valid()) {
FML_LOG(ERROR) << "Could not open fixture for path: " << GetFixturesPath()
<< "/" << fixture_name << ".";
return {};
}
return fixture_fd;
}
std::unique_ptr<fml::Mapping> OpenFixtureAsMapping(std::string fixture_name) {
return fml::FileMapping::CreateReadOnly(OpenFixture(fixture_name));
}
bool MemsetPatternSetOrCheck(uint8_t* buffer, size_t size, MemsetPatternOp op) {
if (buffer == nullptr) {
return false;
}
auto pattern = reinterpret_cast<const uint8_t*>("dErP");
constexpr auto pattern_length = 4;
uint8_t* start = buffer;
uint8_t* p = buffer;
while ((start + size) - p >= pattern_length) {
switch (op) {
case MemsetPatternOp::kMemsetPatternOpSetBuffer:
memmove(p, pattern, pattern_length);
break;
case MemsetPatternOp::kMemsetPatternOpCheckBuffer:
if (memcmp(pattern, p, pattern_length) != 0) {
return false;
}
break;
};
p += pattern_length;
}
if ((start + size) - p != 0) {
switch (op) {
case MemsetPatternOp::kMemsetPatternOpSetBuffer:
memmove(p, pattern, (start + size) - p);
break;
case MemsetPatternOp::kMemsetPatternOpCheckBuffer:
if (memcmp(pattern, p, (start + size) - p) != 0) {
return false;
}
break;
}
}
return true;
}
bool MemsetPatternSetOrCheck(std::vector<uint8_t>& buffer, MemsetPatternOp op) {
return MemsetPatternSetOrCheck(buffer.data(), buffer.size(), op);
}
} // namespace testing
} // namespace flutter