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/*
* Copyright (C) 2015, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include <android-base/stringprintf.h>
#include <gtest/gtest.h>
#include "aidl.h"
#include "aidl_language.h"
#include "code_writer.h"
#include "generate_cpp.h"
#include "os.h"
#include "tests/fake_io_delegate.h"
#include "tests/test_util.h"
using ::android::aidl::test::FakeIoDelegate;
using ::android::base::StringPrintf;
using std::string;
using std::unique_ptr;
namespace android {
namespace aidl {
namespace cpp {
class ASTTest : public ::testing::Test {
protected:
ASTTest(const string& cmdline, const string& file_contents)
: options_(Options::From(cmdline)), file_contents_(file_contents) {
}
AidlInterface* ParseSingleInterface() {
io_delegate_.SetFileContents(options_.InputFiles().at(0), file_contents_);
vector<string> imported_files;
ImportResolver import_resolver{io_delegate_, options_.InputFiles().at(0), {"."}};
AidlError err = ::android::aidl::internals::load_and_validate_aidl(
options_.InputFiles().front(), options_, io_delegate_, &typenames_, &imported_files);
if (err != AidlError::OK) {
return nullptr;
}
const auto& defined_types = typenames_.MainDocument().DefinedTypes();
EXPECT_EQ(1ul, defined_types.size());
EXPECT_NE(nullptr, defined_types.front().get()->AsInterface());
return defined_types.front().get()->AsInterface();
}
const Options options_;
const string file_contents_;
FakeIoDelegate io_delegate_;
AidlTypenames typenames_;
};
namespace test_io_handling {
const char kInputPath[] = "a/IFoo.aidl";
const char kOutputPath[] = "output.cpp";
const char kHeaderDir[] = "headers";
const char kInterfaceHeaderRelPath[] = "a/IFoo.h";
const string kCmdline =
string("aidl-cpp -I . ") + kInputPath + " " + kHeaderDir + " " + kOutputPath;
} // namespace test_io_handling
class IoErrorHandlingTest : public ASTTest {
public:
IoErrorHandlingTest() : ASTTest(test_io_handling::kCmdline, "package a; interface IFoo {}") {}
};
TEST_F(IoErrorHandlingTest, GenerateCorrectlyAbsentErrors) {
// Confirm that this is working correctly without I/O problems.
AidlInterface* interface = ParseSingleInterface();
ASSERT_NE(interface, nullptr);
ASSERT_TRUE(GenerateCpp(options_.OutputFile(), options_, typenames_, *interface, io_delegate_));
}
TEST_F(IoErrorHandlingTest, HandlesBadHeaderWrite) {
using namespace test_io_handling;
AidlInterface* interface = ParseSingleInterface();
ASSERT_NE(interface, nullptr);
// Simulate issues closing the interface header.
const string header_path =
StringPrintf("%s%c%s", kHeaderDir, OS_PATH_SEPARATOR,
kInterfaceHeaderRelPath);
io_delegate_.AddBrokenFilePath(header_path);
ASSERT_DEATH(GenerateCpp(options_.OutputFile(), options_, typenames_, *interface, io_delegate_),
"I/O Error!");
// We should never attempt to write the C++ file if we fail writing headers.
ASSERT_FALSE(io_delegate_.GetWrittenContents(kOutputPath, nullptr));
}
TEST_F(IoErrorHandlingTest, HandlesBadCppWrite) {
using test_io_handling::kOutputPath;
AidlInterface* interface = ParseSingleInterface();
ASSERT_NE(interface, nullptr);
// Simulate issues closing the cpp file.
io_delegate_.AddBrokenFilePath(kOutputPath);
ASSERT_DEATH(GenerateCpp(options_.OutputFile(), options_, typenames_, *interface, io_delegate_),
"I/O Error!");
}
} // namespace cpp
} // namespace aidl
} // namespace android
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