synth_minidump_unittest.cc

// Copyright (c) 2010, Google Inc.

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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

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// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>

// synth_minidump_unittest.cc: Unit tests for google_breakpad::SynthMinidump

// classes.

#include <sstream>

#include <string>

#include "breakpad_googletest_includes.h"

#include "common/using_std_string.h"

#include "google_breakpad/common/minidump_format.h"

#include "processor/synth_minidump.h"

#include "processor/synth_minidump_unittest_data.h"

using google_breakpad::SynthMinidump::Context;

using google_breakpad::SynthMinidump::Dump;

using google_breakpad::SynthMinidump::Exception;

using google_breakpad::SynthMinidump::List;

using google_breakpad::SynthMinidump::Memory;

using google_breakpad::SynthMinidump::Module;

using google_breakpad::SynthMinidump::Section;

using google_breakpad::SynthMinidump::Stream;

using google_breakpad::SynthMinidump::String;

using google_breakpad::SynthMinidump::SystemInfo;

using google_breakpad::test_assembler::kBigEndian;

using google_breakpad::test_assembler::kLittleEndian;

using google_breakpad::test_assembler::Label;

TEST(Section, Simple) {

  Dump dump(0);

  Section section(dump);

  section.L32(0x12345678);

  section.Finish(0);

  string contents;

  ASSERT_TRUE(section.GetContents(&contents));

  EXPECT_EQ(string("\x78\x56\x34\x12", 4), contents);

TEST(Section, CiteLocationIn) {

  Dump dump(0, kBigEndian);

  Section section1(dump), section2(dump);

  section1.Append("order");

  section2.Append("mayhem");

  section2.Finish(0x32287ec2);

  section2.CiteLocationIn(&section1);

  string contents;

  ASSERT_TRUE(section1.GetContents(&contents));

  string expected("order\0\0\0\x06\x32\x28\x7e\xc2", 13);

  EXPECT_EQ(expected, contents);

TEST(Stream, CiteStreamIn) {

  Dump dump(0, kLittleEndian);

  Stream stream(dump, 0x40cae2b3);

  Section section(dump);

  stream.Append("stream contents");

  section.Append("section contents");

  stream.Finish(0x41424344);

  stream.CiteStreamIn(&section);

  string contents;

  ASSERT_TRUE(section.GetContents(&contents));

  string expected("section contents"

                  "\xb3\xe2\xca\x40"

                  "\x0f\0\0\0"

                  "\x44\x43\x42\x41",

                  16 + 4 + 4 + 4);

  EXPECT_EQ(expected, contents);

TEST(Memory, CiteMemoryIn) {

  Dump dump(0, kBigEndian);

  Memory memory(dump, 0x76d010874ab019f9ULL);

  Section section(dump);

  memory.Append("memory contents");

  section.Append("section contents");

  memory.Finish(0x51525354);

  memory.CiteMemoryIn(&section);

  string contents;

  ASSERT_TRUE(section.GetContents(&contents));

  string expected("section contents"

                  "\x76\xd0\x10\x87\x4a\xb0\x19\xf9"

                  "\0\0\0\x0f"

                  "\x51\x52\x53\x54",

                  16 + 8 + 4 + 4);

  EXPECT_EQ(contents, expected);

TEST(Memory, Here) {

  Dump dump(0, kBigEndian);

  Memory memory(dump, 0x89979731eb060ed4ULL);

  memory.Append(1729, 42);

  Label l = memory.Here();

  ASSERT_EQ(0x89979731eb060ed4ULL + 1729, l.Value());

TEST(Context, X86) {

  Dump dump(0, kLittleEndian);

  assert(x86_raw_context.context_flags & MD_CONTEXT_X86);

  Context context(dump, x86_raw_context);

  string contents;

  ASSERT_TRUE(context.GetContents(&contents));

  EXPECT_EQ(sizeof(x86_expected_contents), contents.size());

  EXPECT_TRUE(memcmp(contents.data(), x86_expected_contents, contents.size())

              == 0);

TEST(Context, ARM) {

  Dump dump(0, kLittleEndian);

  assert(arm_raw_context.context_flags & MD_CONTEXT_ARM);

  Context context(dump, arm_raw_context);

  string contents;

  ASSERT_TRUE(context.GetContents(&contents));

  EXPECT_EQ(sizeof(arm_expected_contents), contents.size());

  EXPECT_TRUE(memcmp(contents.data(), arm_expected_contents, contents.size())

              == 0);

TEST(ContextDeathTest, X86BadFlags) {

  Dump dump(0, kLittleEndian);

  MDRawContextX86 raw;

  raw.context_flags = MD_CONTEXT_AMD64;

  ASSERT_DEATH(Context context(dump, raw);,

               "context\\.context_flags & (0x[0-9a-f]+|MD_CONTEXT_X86)");

TEST(ContextDeathTest, X86BadEndianness) {

  Dump dump(0, kBigEndian);

  MDRawContextX86 raw;

  raw.context_flags = MD_CONTEXT_X86;

  ASSERT_DEATH(Context context(dump, raw);,

               "dump\\.endianness\\(\\) == kLittleEndian");

TEST(Thread, Simple) {

  Dump dump(0, kLittleEndian);

  Context context(dump, x86_raw_context);

  context.Finish(0x8665da0c);

  Memory stack(dump, 0xaad55a93cc3c0efcULL);

  stack.Append("stack contents");

  stack.Finish(0xe08cdbd1);

  google_breakpad::SynthMinidump::Thread thread(

      dump, 0x3d7ec360, stack, context,

      0x3593f44d, // suspend count

      0xab352b82, // priority class

      0x2753d838, // priority

      0xeb2de4be3f29e3e9ULL); // thread environment block

  string contents;

  ASSERT_TRUE(thread.GetContents(&contents));

  static const uint8_t expected_bytes[] = {

    0x60, 0xc3, 0x7e, 0x3d, // thread id

    0x4d, 0xf4, 0x93, 0x35, // suspend count

    0x82, 0x2b, 0x35, 0xab, // priority class

    0x38, 0xd8, 0x53, 0x27, // priority

    0xe9, 0xe3, 0x29, 0x3f, 0xbe, 0xe4, 0x2d, 0xeb, // thread environment block

    0xfc, 0x0e, 0x3c, 0xcc, 0x93, 0x5a, 0xd5, 0xaa, // stack address

    0x0e, 0x00, 0x00, 0x00, // stack size

    0xd1, 0xdb, 0x8c, 0xe0, // stack MDRVA

    0xcc, 0x02, 0x00, 0x00, // context size

    0x0c, 0xda, 0x65, 0x86  // context MDRVA

};

  EXPECT_EQ(sizeof(expected_bytes), contents.size());

  EXPECT_TRUE(memcmp(contents.data(), expected_bytes, contents.size()) == 0);

TEST(Exception, Simple) {

  Dump dump(0, kLittleEndian);

  Context context(dump, x86_raw_context);

  context.Finish(0x8665da0c);

  Exception exception(dump, context,

                      0x1234abcd, // thread id

                      0xdcba4321, // exception code

                      0xf0e0d0c0, // exception flags

                      0x0919a9b9c9d9e9f9ULL); // exception address

  string contents;

  ASSERT_TRUE(exception.GetContents(&contents));

  static const uint8_t expected_bytes[] = {

    0xcd, 0xab, 0x34, 0x12, // thread id

    0x00, 0x00, 0x00, 0x00, // __align

    0x21, 0x43, 0xba, 0xdc, // exception code

    0xc0, 0xd0, 0xe0, 0xf0, // exception flags

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception record

    0xf9, 0xe9, 0xd9, 0xc9, 0xb9, 0xa9, 0x19, 0x09, // exception address

    0x00, 0x00, 0x00, 0x00, // number parameters

    0x00, 0x00, 0x00, 0x00, // __align

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // exception_information

    0xcc, 0x02, 0x00, 0x00, // context size

    0x0c, 0xda, 0x65, 0x86  // context MDRVA

};

  EXPECT_EQ(sizeof(expected_bytes), contents.size());

  EXPECT_TRUE(memcmp(contents.data(), expected_bytes, contents.size()) == 0);

TEST(String, Simple) {

  Dump dump(0, kBigEndian);

  String s(dump, "All mimsy were the borogoves");

  string contents;

  ASSERT_TRUE(s.GetContents(&contents));

  static const char expected[] =

    "\x00\x00\x00\x38\0A\0l\0l\0 \0m\0i\0m\0s\0y\0 \0w\0e\0r\0e"

    "\0 \0t\0h\0e\0 \0b\0o\0r\0o\0g\0o\0v\0e\0s";

  string expected_string(expected, sizeof(expected) - 1);

  EXPECT_EQ(expected_string, contents);

TEST(String, CiteStringIn) {

  Dump dump(0, kLittleEndian);

  String s(dump, "and the mome wraths outgrabe");

  Section section(dump);

  section.Append("initial");

  s.CiteStringIn(&section);

  s.Finish(0xdc2bb469);

  string contents;

  ASSERT_TRUE(section.GetContents(&contents));

  EXPECT_EQ(string("initial\x69\xb4\x2b\xdc", 7 + 4), contents);

TEST(List, Empty) {

  Dump dump(0, kBigEndian);

  List<Section> list(dump, 0x2442779c);

  EXPECT_TRUE(list.Empty());

  list.Finish(0x84e09808);

  string contents;

  ASSERT_TRUE(list.GetContents(&contents));

  EXPECT_EQ(string("\0\0\0\0", 4), contents);

TEST(List, Two) {

  Dump dump(0, kBigEndian);

  List<Section> list(dump, 0x26c9f498);

  Section section1(dump);

  section1.Append("section one contents");

  EXPECT_TRUE(list.Empty());

  list.Add(&section1);

  EXPECT_FALSE(list.Empty());

  Section section2(dump);

  section2.Append("section two contents");

  list.Add(&section2);

  list.Finish(0x1e5bb60e);

  string contents;

  ASSERT_TRUE(list.GetContents(&contents));

  EXPECT_EQ(string("\0\0\0\x02section one contentssection two contents", 44),

            contents);

TEST(Dump, Header) {

  Dump dump(0x9f738b33685cc84cULL, kLittleEndian, 0xb3817faf, 0x2c741c0a);

  dump.Finish();

  string contents;

  ASSERT_TRUE(dump.GetContents(&contents));

  ASSERT_EQ(string("\x4d\x44\x4d\x50"   // signature

                   "\xaf\x7f\x81\xb3"   // version

                   "\0\0\0\0"           // stream count

                   "\x20\0\0\0"         // directory RVA (could be anything)

                   "\0\0\0\0"           // checksum

                   "\x0a\x1c\x74\x2c"   // time_date_stamp

                   "\x4c\xc8\x5c\x68\x33\x8b\x73\x9f", // flags

                   32),

            contents);

TEST(Dump, HeaderBigEndian) {

  Dump dump(0x206ce3cc6fb8e0f0ULL, kBigEndian, 0x161693e2, 0x35667744);

  dump.Finish();

  string contents;

  ASSERT_TRUE(dump.GetContents(&contents));

  ASSERT_EQ(string("\x50\x4d\x44\x4d"   // signature

                   "\x16\x16\x93\xe2"   // version

                   "\0\0\0\0"           // stream count

                   "\0\0\0\x20"         // directory RVA (could be anything)

                   "\0\0\0\0"           // checksum

                   "\x35\x66\x77\x44"   // time_date_stamp

                   "\x20\x6c\xe3\xcc\x6f\xb8\xe0\xf0", // flags

                   32),

            contents);

TEST(Dump, OneSection) {

  Dump dump(0, kLittleEndian);

  Section section(dump);

  section.Append("section contents");

  dump.Add(&section);

  dump.Finish();

  string dump_contents;

  // Just check for undefined labels; don't worry about the contents.

  ASSERT_TRUE(dump.GetContents(&dump_contents));

  Section referencing_section(dump);

  section.CiteLocationIn(&referencing_section);

  string contents;

  ASSERT_TRUE(referencing_section.GetContents(&contents));

  ASSERT_EQ(string("\x10\0\0\0\x20\0\0\0", 8), contents);

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