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Refactor file_id_unittest
A=Mike Hommey <mh@glandium.org> R=ted at https://breakpad.appspot.com/543003/ git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1138 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek@gmail.com
parent
704c13e7ab
commit
bbaca6bc00
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@ -34,6 +34,7 @@
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#include <string>
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#include "common/linux/elfutils.h"
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#include "common/linux/file_id.h"
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#include "common/linux/safe_readlink.h"
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#include "common/linux/synth_elf.h"
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@ -43,11 +44,14 @@
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#include "breakpad_googletest_includes.h"
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using namespace google_breakpad;
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using google_breakpad::ElfClass32;
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using google_breakpad::ElfClass64;
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using google_breakpad::SafeReadLink;
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using google_breakpad::synth_elf::BuildIDNote;
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using google_breakpad::synth_elf::ELF;
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using google_breakpad::test_assembler::kLittleEndian;
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using google_breakpad::test_assembler::Section;
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using ::testing::Types;
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namespace {
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@ -94,6 +98,7 @@ TEST(FileIDStripTest, StripSelf) {
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EXPECT_STREQ(identifier_string1, identifier_string2);
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}
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template<typename ElfClass>
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class FileIDTest : public testing::Test {
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public:
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void GetElfContents(ELF& elf) {
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@ -110,48 +115,35 @@ public:
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uint8_t* elfdata;
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};
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TEST_F(FileIDTest, ElfClass) {
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typedef Types<ElfClass32, ElfClass64> ElfClasses;
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TYPED_TEST_CASE(FileIDTest, ElfClasses);
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TYPED_TEST(FileIDTest, ElfClass) {
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uint8_t identifier[sizeof(MDGUID)];
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const char expected_identifier_string[] =
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"80808080-8080-0000-0000-008080808080";
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char identifier_string[sizeof(expected_identifier_string)];
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const size_t kTextSectionSize = 128;
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ELF elf32(EM_386, ELFCLASS32, kLittleEndian);
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Section text32(kLittleEndian);
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ELF elf(EM_386, TypeParam::kClass, kLittleEndian);
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Section text(kLittleEndian);
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for (size_t i = 0; i < kTextSectionSize; ++i) {
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text32.D8(i * 3);
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text.D8(i * 3);
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}
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elf32.AddSection(".text", text32, SHT_PROGBITS);
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elf32.Finish();
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GetElfContents(elf32);
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elf.AddSection(".text", text, SHT_PROGBITS);
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elf.Finish();
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this->GetElfContents(elf);
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier));
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FileID::ConvertIdentifierToString(identifier, identifier_string,
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sizeof(identifier_string));
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EXPECT_STREQ(expected_identifier_string, identifier_string);
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memset(identifier, 0, sizeof(identifier));
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memset(identifier_string, 0, sizeof(identifier_string));
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ELF elf64(EM_X86_64, ELFCLASS64, kLittleEndian);
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Section text64(kLittleEndian);
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for (size_t i = 0; i < kTextSectionSize; ++i) {
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text64.D8(i * 3);
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}
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elf64.AddSection(".text", text64, SHT_PROGBITS);
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elf64.Finish();
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GetElfContents(elf64);
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier));
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata,
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identifier));
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FileID::ConvertIdentifierToString(identifier, identifier_string,
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sizeof(identifier_string));
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EXPECT_STREQ(expected_identifier_string, identifier_string);
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}
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TEST_F(FileIDTest, BuildID) {
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TYPED_TEST(FileIDTest, BuildID) {
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const uint8_t kExpectedIdentifier[sizeof(MDGUID)] =
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{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F};
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@ -164,35 +156,18 @@ TEST_F(FileIDTest, BuildID) {
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uint8_t identifier[sizeof(MDGUID)];
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char identifier_string[sizeof(expected_identifier_string)];
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ELF elf32(EM_386, ELFCLASS32, kLittleEndian);
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ELF elf(EM_386, TypeParam::kClass, kLittleEndian);
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Section text(kLittleEndian);
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text.Append(4096, 0);
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elf32.AddSection(".text", text, SHT_PROGBITS);
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BuildIDNote::AppendSection(elf32,
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elf.AddSection(".text", text, SHT_PROGBITS);
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BuildIDNote::AppendSection(elf,
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kExpectedIdentifier,
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sizeof(kExpectedIdentifier));
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elf32.Finish();
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GetElfContents(elf32);
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elf.Finish();
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this->GetElfContents(elf);
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier));
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FileID::ConvertIdentifierToString(identifier, identifier_string,
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sizeof(identifier_string));
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EXPECT_STREQ(expected_identifier_string, identifier_string);
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memset(identifier, 0, sizeof(identifier));
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memset(identifier_string, 0, sizeof(identifier_string));
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ELF elf64(EM_X86_64, ELFCLASS64, kLittleEndian);
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// Re-use empty text section from previous test
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elf64.AddSection(".text", text, SHT_PROGBITS);
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BuildIDNote::AppendSection(elf64,
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kExpectedIdentifier,
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sizeof(kExpectedIdentifier));
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elf64.Finish();
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GetElfContents(elf64);
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier));
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata,
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identifier));
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FileID::ConvertIdentifierToString(identifier, identifier_string,
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sizeof(identifier_string));
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@ -201,7 +176,7 @@ TEST_F(FileIDTest, BuildID) {
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// Test to make sure two files with different text sections produce
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// different hashes when not using a build id.
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TEST_F(FileIDTest, UniqueHashes32) {
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TYPED_TEST(FileIDTest, UniqueHashes) {
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char identifier_string_1[] =
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"00000000-0000-0000-0000-000000000000";
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char identifier_string_2[] =
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@ -210,7 +185,7 @@ TEST_F(FileIDTest, UniqueHashes32) {
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uint8_t identifier_2[sizeof(MDGUID)];
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{
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ELF elf1(EM_386, ELFCLASS32, kLittleEndian);
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ELF elf1(EM_386, TypeParam::kClass, kLittleEndian);
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Section foo_1(kLittleEndian);
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PopulateSection(&foo_1, 32, 5);
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elf1.AddSection(".foo", foo_1, SHT_PROGBITS);
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@ -218,15 +193,16 @@ TEST_F(FileIDTest, UniqueHashes32) {
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PopulateSection(&text_1, 4096, 17);
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elf1.AddSection(".text", text_1, SHT_PROGBITS);
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elf1.Finish();
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GetElfContents(elf1);
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this->GetElfContents(elf1);
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}
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_1));
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata,
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identifier_1));
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FileID::ConvertIdentifierToString(identifier_1, identifier_string_1,
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sizeof(identifier_string_1));
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{
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ELF elf2(EM_386, ELFCLASS32, kLittleEndian);
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ELF elf2(EM_386, TypeParam::kClass, kLittleEndian);
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Section text_2(kLittleEndian);
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Section foo_2(kLittleEndian);
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PopulateSection(&foo_2, 32, 5);
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@ -234,54 +210,11 @@ TEST_F(FileIDTest, UniqueHashes32) {
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PopulateSection(&text_2, 4096, 31);
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elf2.AddSection(".text", text_2, SHT_PROGBITS);
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elf2.Finish();
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GetElfContents(elf2);
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this->GetElfContents(elf2);
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}
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_2));
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FileID::ConvertIdentifierToString(identifier_2, identifier_string_2,
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sizeof(identifier_string_2));
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EXPECT_STRNE(identifier_string_1, identifier_string_2);
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}
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// Same as UniqueHashes32, for x86-64.
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TEST_F(FileIDTest, UniqueHashes64) {
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char identifier_string_1[] =
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"00000000-0000-0000-0000-000000000000";
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char identifier_string_2[] =
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"00000000-0000-0000-0000-000000000000";
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uint8_t identifier_1[sizeof(MDGUID)];
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uint8_t identifier_2[sizeof(MDGUID)];
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{
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ELF elf1(EM_X86_64, ELFCLASS64, kLittleEndian);
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Section foo_1(kLittleEndian);
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PopulateSection(&foo_1, 32, 5);
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elf1.AddSection(".foo", foo_1, SHT_PROGBITS);
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Section text_1(kLittleEndian);
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PopulateSection(&text_1, 4096, 17);
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elf1.AddSection(".text", text_1, SHT_PROGBITS);
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elf1.Finish();
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GetElfContents(elf1);
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}
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_1));
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FileID::ConvertIdentifierToString(identifier_1, identifier_string_1,
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sizeof(identifier_string_1));
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{
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ELF elf2(EM_X86_64, ELFCLASS64, kLittleEndian);
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Section text_2(kLittleEndian);
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Section foo_2(kLittleEndian);
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PopulateSection(&foo_2, 32, 5);
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elf2.AddSection(".foo", foo_2, SHT_PROGBITS);
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PopulateSection(&text_2, 4096, 31);
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elf2.AddSection(".text", text_2, SHT_PROGBITS);
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elf2.Finish();
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GetElfContents(elf2);
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}
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_2));
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EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata,
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identifier_2));
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FileID::ConvertIdentifierToString(identifier_2, identifier_string_2,
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sizeof(identifier_string_2));
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