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// Copyright (c) 2009 The Chromium 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 <string>
#include "base/path_service.h"
#include "base/file_util.h"
#include "base/string_util.h"
#include "courgette/courgette.h"
#include "courgette/streams.h"
#include "testing/gtest/include/gtest/gtest.h"
class EncodeDecodeTest : public testing::Test {
public:
void TestExe(const char *) const;
private:
void SetUp() {
PathService::Get(base::DIR_SOURCE_ROOT, &testdata_dir_);
testdata_dir_ = testdata_dir_.AppendASCII("courgette");
testdata_dir_ = testdata_dir_.AppendASCII("testdata");
}
void TearDown() { }
// Returns contents of |file_name| as uninterprested bytes stored in a string.
std::string FileContents(const char* file_name) const;
FilePath testdata_dir_; // Full path name of testdata directory
};
// Reads a test file into a string.
std::string EncodeDecodeTest::FileContents(const char* file_name) const {
FilePath file_path = testdata_dir_;
file_path = file_path.AppendASCII(file_name);
std::string file_contents;
if (!file_util::ReadFileToString(file_path, &file_contents)) {
EXPECT_TRUE(!"Could not read test data");
}
return file_contents;
}
void EncodeDecodeTest::TestExe(const char* file_name) const {
// Test top-level Courgette API for converting an a file to a binary
// assembly representation and back.
std::string file1 = FileContents(file_name);
const void* original_buffer = file1.c_str();
size_t original_length = file1.size();
courgette::AssemblyProgram* program = NULL;
const courgette::Status parse_status =
courgette::ParseWin32X86PE(original_buffer, original_length, &program);
EXPECT_EQ(courgette::C_OK, parse_status);
courgette::EncodedProgram* encoded = NULL;
const courgette::Status encode_status = Encode(program, &encoded);
EXPECT_EQ(courgette::C_OK, encode_status);
DeleteAssemblyProgram(program);
courgette::SinkStreamSet sinks;
const courgette::Status write_status = WriteEncodedProgram(encoded, &sinks);
EXPECT_EQ(courgette::C_OK, write_status);
DeleteEncodedProgram(encoded);
courgette::SinkStream sink;
bool can_collect = sinks.CopyTo(&sink);
EXPECT_TRUE(can_collect);
const void* buffer = sink.Buffer();
size_t length = sink.Length();
EXPECT_EQ(971850U, length);
courgette::SourceStreamSet sources;
bool can_get_source_streams = sources.Init(buffer, length);
EXPECT_TRUE(can_get_source_streams);
courgette::EncodedProgram *encoded2 = NULL;
const courgette::Status read_status = ReadEncodedProgram(&sources, &encoded2);
EXPECT_EQ(courgette::C_OK, read_status);
courgette::SinkStream assembled;
const courgette::Status assemble_status = Assemble(encoded2, &assembled);
EXPECT_EQ(courgette::C_OK, assemble_status);
const void* assembled_buffer = assembled.Buffer();
size_t assembled_length = assembled.Length();
EXPECT_EQ(original_length, assembled_length);
EXPECT_EQ(0, memcmp(original_buffer, assembled_buffer, original_length));
DeleteEncodedProgram(encoded2);
}
TEST_F(EncodeDecodeTest, All) {
TestExe("setup1.exe");
}
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