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// Copyright (c) 2011 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 "courgette/base_test_unittest.h"
#include "courgette/courgette.h"
#include "courgette/streams.h"
class EncodeDecodeTest : public BaseTest {
public:
void TestAssembleToStreamDisassemble(std::string file,
size_t expected_encoded_lenth) const;
};
void EncodeDecodeTest::TestAssembleToStreamDisassemble(
std::string file,
size_t expected_encoded_lenth) const {
const void* original_buffer = file.c_str();
size_t original_length = file.length();
courgette::AssemblyProgram* program = NULL;
const courgette::Status parse_status =
courgette::ParseDetectedExecutable(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(expected_encoded_lenth, 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, PE) {
std::string file = FileContents("setup1.exe");
TestAssembleToStreamDisassemble(file, 971850);
}
TEST_F(EncodeDecodeTest, Elf_Small) {
std::string file = FileContents("elf-32-1");
TestAssembleToStreamDisassemble(file, 135988);
}
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