kicad/thirdparty/sentry-native/external/crashpad/minidump/minidump_handle_writer_test.cc

203 lines
8.1 KiB
C++

// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "minidump/minidump_handle_writer.h"
#include <memory>
#include <string>
#include <utility>
#include "base/strings/utf_string_conversions.h"
#include "gtest/gtest.h"
#include "minidump/minidump_file_writer.h"
#include "minidump/test/minidump_file_writer_test_util.h"
#include "minidump/test/minidump_string_writer_test_util.h"
#include "minidump/test/minidump_writable_test_util.h"
#include "util/file/string_file.h"
namespace crashpad {
namespace test {
namespace {
// The handle data stream is expected to be the only stream.
void GetHandleDataStream(
const std::string& file_contents,
const MINIDUMP_HANDLE_DATA_STREAM** handle_data_stream) {
constexpr size_t kDirectoryOffset = sizeof(MINIDUMP_HEADER);
constexpr size_t kHandleDataStreamOffset =
kDirectoryOffset + sizeof(MINIDUMP_DIRECTORY);
const MINIDUMP_DIRECTORY* directory;
const MINIDUMP_HEADER* header =
MinidumpHeaderAtStart(file_contents, &directory);
ASSERT_NO_FATAL_FAILURE(VerifyMinidumpHeader(header, 1, 0));
ASSERT_TRUE(directory);
constexpr size_t kDirectoryIndex = 0;
ASSERT_EQ(directory[kDirectoryIndex].StreamType,
kMinidumpStreamTypeHandleData);
EXPECT_EQ(directory[kDirectoryIndex].Location.Rva, kHandleDataStreamOffset);
*handle_data_stream =
MinidumpWritableAtLocationDescriptor<MINIDUMP_HANDLE_DATA_STREAM>(
file_contents, directory[kDirectoryIndex].Location);
ASSERT_TRUE(*handle_data_stream);
}
TEST(MinidumpHandleDataWriter, Empty) {
MinidumpFileWriter minidump_file_writer;
auto handle_data_writer = std::make_unique<MinidumpHandleDataWriter>();
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(handle_data_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_HANDLE_DATA_STREAM));
const MINIDUMP_HANDLE_DATA_STREAM* handle_data_stream = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetHandleDataStream(string_file.string(), &handle_data_stream));
EXPECT_EQ(handle_data_stream->NumberOfDescriptors, 0u);
}
TEST(MinidumpHandleDataWriter, OneHandle) {
MinidumpFileWriter minidump_file_writer;
auto handle_data_writer = std::make_unique<MinidumpHandleDataWriter>();
HandleSnapshot handle_snapshot;
handle_snapshot.handle = 0x1234;
handle_snapshot.type_name = "Something";
handle_snapshot.attributes = 0x12345678;
handle_snapshot.granted_access = 0x9abcdef0;
handle_snapshot.pointer_count = 4567;
handle_snapshot.handle_count = 9876;
std::vector<HandleSnapshot> snapshot;
snapshot.push_back(handle_snapshot);
handle_data_writer->InitializeFromSnapshot(snapshot);
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(handle_data_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const size_t kTypeNameStringDataLength =
(handle_snapshot.type_name.size() + 1) * sizeof(char16_t);
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_HANDLE_DATA_STREAM) +
sizeof(MINIDUMP_HANDLE_DESCRIPTOR) + sizeof(MINIDUMP_STRING) +
kTypeNameStringDataLength);
const MINIDUMP_HANDLE_DATA_STREAM* handle_data_stream = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetHandleDataStream(string_file.string(), &handle_data_stream));
EXPECT_EQ(handle_data_stream->NumberOfDescriptors, 1u);
MINIDUMP_HANDLE_DESCRIPTOR handle_descriptor;
memcpy(&handle_descriptor, &handle_data_stream[1], sizeof(handle_descriptor));
EXPECT_EQ(handle_descriptor.Handle, handle_snapshot.handle);
EXPECT_EQ(base::UTF16ToUTF8(MinidumpStringAtRVAAsString(
string_file.string(), handle_descriptor.TypeNameRva)),
handle_snapshot.type_name);
EXPECT_EQ(handle_descriptor.ObjectNameRva, 0u);
EXPECT_EQ(handle_descriptor.Attributes, handle_snapshot.attributes);
EXPECT_EQ(handle_descriptor.GrantedAccess, handle_snapshot.granted_access);
EXPECT_EQ(handle_descriptor.HandleCount, handle_snapshot.handle_count);
EXPECT_EQ(handle_descriptor.PointerCount, handle_snapshot.pointer_count);
}
TEST(MinidumpHandleDataWriter, RepeatedTypeName) {
MinidumpFileWriter minidump_file_writer;
auto handle_data_writer = std::make_unique<MinidumpHandleDataWriter>();
HandleSnapshot handle_snapshot;
handle_snapshot.handle = 0x1234;
handle_snapshot.type_name = "Something";
handle_snapshot.attributes = 0x12345678;
handle_snapshot.granted_access = 0x9abcdef0;
handle_snapshot.pointer_count = 4567;
handle_snapshot.handle_count = 9876;
HandleSnapshot handle_snapshot2;
handle_snapshot2.handle = 0x4321;
handle_snapshot2.type_name = "Something"; // Note: same as above.
handle_snapshot2.attributes = 0x87654321;
handle_snapshot2.granted_access = 0x0fedcba9;
handle_snapshot2.pointer_count = 7654;
handle_snapshot2.handle_count = 6789;
std::vector<HandleSnapshot> snapshot;
snapshot.push_back(handle_snapshot);
snapshot.push_back(handle_snapshot2);
handle_data_writer->InitializeFromSnapshot(snapshot);
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(handle_data_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const size_t kTypeNameStringDataLength =
(handle_snapshot.type_name.size() + 1) * sizeof(char16_t);
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_HANDLE_DATA_STREAM) +
(sizeof(MINIDUMP_HANDLE_DESCRIPTOR) * 2) +
sizeof(MINIDUMP_STRING) + kTypeNameStringDataLength);
const MINIDUMP_HANDLE_DATA_STREAM* handle_data_stream = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetHandleDataStream(string_file.string(), &handle_data_stream));
EXPECT_EQ(handle_data_stream->NumberOfDescriptors, 2u);
MINIDUMP_HANDLE_DESCRIPTOR handle_descriptor;
memcpy(&handle_descriptor, &handle_data_stream[1], sizeof(handle_descriptor));
EXPECT_EQ(handle_descriptor.Handle, handle_snapshot.handle);
EXPECT_EQ(base::UTF16ToUTF8(MinidumpStringAtRVAAsString(
string_file.string(), handle_descriptor.TypeNameRva)),
handle_snapshot.type_name);
EXPECT_EQ(handle_descriptor.ObjectNameRva, 0u);
EXPECT_EQ(handle_descriptor.Attributes, handle_snapshot.attributes);
EXPECT_EQ(handle_descriptor.GrantedAccess, handle_snapshot.granted_access);
EXPECT_EQ(handle_descriptor.HandleCount, handle_snapshot.handle_count);
EXPECT_EQ(handle_descriptor.PointerCount, handle_snapshot.pointer_count);
MINIDUMP_HANDLE_DESCRIPTOR handle_descriptor2;
memcpy(&handle_descriptor2,
reinterpret_cast<const unsigned char*>(&handle_data_stream[1]) +
sizeof(MINIDUMP_HANDLE_DESCRIPTOR),
sizeof(handle_descriptor2));
EXPECT_EQ(handle_descriptor2.Handle, handle_snapshot2.handle);
EXPECT_EQ(base::UTF16ToUTF8(MinidumpStringAtRVAAsString(
string_file.string(), handle_descriptor2.TypeNameRva)),
handle_snapshot2.type_name);
EXPECT_EQ(handle_descriptor2.ObjectNameRva, 0u);
EXPECT_EQ(handle_descriptor2.Attributes, handle_snapshot2.attributes);
EXPECT_EQ(handle_descriptor2.GrantedAccess, handle_snapshot2.granted_access);
EXPECT_EQ(handle_descriptor2.HandleCount, handle_snapshot2.handle_count);
EXPECT_EQ(handle_descriptor2.PointerCount, handle_snapshot2.pointer_count);
EXPECT_EQ(handle_descriptor2.TypeNameRva, handle_descriptor.TypeNameRva);
}
} // namespace
} // namespace test
} // namespace crashpad