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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "courgette/disassembler_win32_x86.h"
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/ranges/algorithm.h"
#include "courgette/base_test_unittest.h"
class DisassemblerWin32X86Test : public BaseTest {
public:
void TestExe() const;
void TestExe64ShouldFail() const;
void TestResourceDll() const;
};
void DisassemblerWin32X86Test::TestExe() const {
std::string file1 = FileContents("setup1.exe");
std::unique_ptr<courgette::DisassemblerWin32X86> disassembler(
new courgette::DisassemblerWin32X86(
reinterpret_cast<const uint8_t*>(file1.c_str()), file1.length()));
bool can_parse_header = disassembler->ParseHeader();
EXPECT_TRUE(can_parse_header);
// The executable is the whole file, not 'embedded' with the file
EXPECT_EQ(file1.length(), disassembler->length());
EXPECT_TRUE(disassembler->ok());
EXPECT_TRUE(disassembler->has_text_section());
EXPECT_EQ(449536U, disassembler->size_of_code());
EXPECT_EQ(courgette::DisassemblerWin32X86::SectionName(
disassembler->RVAToSection(0x00401234 - 0x00400000)),
std::string(".text"));
EXPECT_EQ(0U, disassembler->RVAToFileOffset(0));
EXPECT_EQ(1024U, disassembler->RVAToFileOffset(4096));
EXPECT_EQ(46928U, disassembler->RVAToFileOffset(50000));
std::vector<courgette::RVA> relocs;
bool can_parse_relocs = disassembler->ParseRelocs(&relocs);
EXPECT_TRUE(can_parse_relocs);
EXPECT_TRUE(base::ranges::is_sorted(relocs));
const uint8_t* offset_p = disassembler->FileOffsetToPointer(0);
EXPECT_EQ(reinterpret_cast<const void*>(file1.c_str()),
reinterpret_cast<const void*>(offset_p));
EXPECT_EQ('M', offset_p[0]);
EXPECT_EQ('Z', offset_p[1]);
const uint8_t* rva_p = disassembler->RVAToPointer(0);
EXPECT_EQ(reinterpret_cast<const void*>(file1.c_str()),
reinterpret_cast<const void*>(rva_p));
EXPECT_EQ('M', rva_p[0]);
EXPECT_EQ('Z', rva_p[1]);
}
void DisassemblerWin32X86Test::TestExe64ShouldFail() const {
std::string file1 = FileContents("pe-64.exe");
std::unique_ptr<courgette::DisassemblerWin32X86> disassembler(
new courgette::DisassemblerWin32X86(
reinterpret_cast<const uint8_t*>(file1.c_str()), file1.length()));
bool can_parse_header = disassembler->ParseHeader();
EXPECT_FALSE(can_parse_header);
// The executable is the whole file, not 'embedded' with the file
EXPECT_EQ(file1.length(), disassembler->length());
EXPECT_FALSE(disassembler->ok());
}
void DisassemblerWin32X86Test::TestResourceDll() const {
std::string file1 = FileContents("en-US.dll");
std::unique_ptr<courgette::DisassemblerWin32X86> disassembler(
new courgette::DisassemblerWin32X86(
reinterpret_cast<const uint8_t*>(file1.c_str()), file1.length()));
bool can_parse_header = disassembler->ParseHeader();
EXPECT_FALSE(can_parse_header);
// The executable is the whole file, not 'embedded' with the file
EXPECT_EQ(file1.length(), disassembler->length());
EXPECT_FALSE(disassembler->ok());
}
TEST_F(DisassemblerWin32X86Test, All) {
TestExe();
TestExe64ShouldFail();
TestResourceDll();
}