crashpad/snapshot/win/process_snapshot_win_test.cc
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

132 lines
4.3 KiB
C++

// Copyright 2015 The Crashpad Authors
//
// 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 "snapshot/win/process_snapshot_win.h"
#include "base/files/file_path.h"
#include "build/build_config.h"
#include "gtest/gtest.h"
#include "snapshot/win/pe_image_reader.h"
#include "snapshot/win/process_reader_win.h"
#include "test/errors.h"
#include "test/test_paths.h"
#include "test/win/child_launcher.h"
#include "util/file/file_io.h"
#include "util/win/scoped_handle.h"
#include "util/win/scoped_process_suspend.h"
#include "util/win/scoped_set_event.h"
namespace crashpad {
namespace test {
namespace {
void TestImageReaderChild(const TestPaths::Architecture architecture) {
UUID done_uuid;
done_uuid.InitializeWithNew();
ScopedKernelHANDLE done(
CreateEvent(nullptr, true, false, done_uuid.ToWString().c_str()));
ASSERT_TRUE(done.is_valid()) << ErrorMessage("CreateEvent");
base::FilePath child_test_executable =
TestPaths::BuildArtifact(L"snapshot",
L"image_reader",
TestPaths::FileType::kExecutable,
architecture);
ChildLauncher child(child_test_executable, done_uuid.ToWString());
ASSERT_NO_FATAL_FAILURE(child.Start());
ScopedSetEvent set_done(done.get());
char c;
ASSERT_TRUE(
LoggingReadFileExactly(child.stdout_read_handle(), &c, sizeof(c)));
ASSERT_EQ(c, ' ');
{
ScopedProcessSuspend suspend(child.process_handle());
ProcessSnapshotWin process_snapshot;
ASSERT_TRUE(process_snapshot.Initialize(
child.process_handle(), ProcessSuspensionState::kSuspended, 0, 0));
ASSERT_GE(process_snapshot.Modules().size(), 2u);
UUID uuid;
DWORD age;
std::string pdbname;
const std::string suffix(".pdb");
// Check the main .exe to see that we can retrieve its sections.
auto module = reinterpret_cast<const internal::ModuleSnapshotWin*>(
process_snapshot.Modules()[0]);
ASSERT_TRUE(module->pe_image_reader().DebugDirectoryInformation(
&uuid, &age, &pdbname));
EXPECT_NE(pdbname.find("crashpad_snapshot_test_image_reader"),
std::string::npos);
EXPECT_EQ(
pdbname.compare(pdbname.size() - suffix.size(), suffix.size(), suffix),
0);
// Check the dll it loads too.
module = reinterpret_cast<const internal::ModuleSnapshotWin*>(
process_snapshot.Modules().back());
ASSERT_TRUE(module->pe_image_reader().DebugDirectoryInformation(
&uuid, &age, &pdbname));
EXPECT_NE(pdbname.find("crashpad_snapshot_test_image_reader_module"),
std::string::npos);
EXPECT_EQ(
pdbname.compare(pdbname.size() - suffix.size(), suffix.size(), suffix),
0);
// Sum the size of the extra memory in all the threads and confirm it's near
// the limit that the child process set in its CrashpadInfo.
EXPECT_GE(process_snapshot.Threads().size(), 100u);
size_t extra_memory_total = 0;
for (const auto* thread : process_snapshot.Threads()) {
for (const auto* extra_memory : thread->ExtraMemory()) {
extra_memory_total += extra_memory->Size();
}
}
// Confirm that less than 1M of extra data was gathered. The cap is set to
// only 100K, but there are other "extra memory" regions that aren't
// included in the cap. (Completely uncapped it would be > 10M.)
EXPECT_LT(extra_memory_total, 1000000u);
}
// Tell the child it can terminate.
EXPECT_TRUE(set_done.Set());
EXPECT_EQ(child.WaitForExit(), 0u);
}
TEST(ProcessSnapshotTest, CrashpadInfoChild) {
TestImageReaderChild(TestPaths::Architecture::kDefault);
}
#if defined(ARCH_CPU_64_BITS)
TEST(ProcessSnapshotTest, CrashpadInfoChildWOW64) {
if (!TestPaths::Has32BitBuildArtifacts()) {
GTEST_SKIP();
}
TestImageReaderChild(TestPaths::Architecture::k32Bit);
}
#endif
} // namespace
} // namespace test
} // namespace crashpad