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https://github.com/chromium/crashpad.git
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f497e54ccb
The limit was being reset per-thread, which isn't how it was intended or documented. Add test to confirm the limit is more-or-less respected. R=mark@chromium.org BUG=crashpad:111 Change-Id: Ifae9f1ce2afcc2d6c6832db46f9b5c36adb35b42 Reviewed-on: https://chromium-review.googlesource.com/346131 Reviewed-by: Mark Mentovai <mark@chromium.org>
125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "snapshot/win/process_snapshot_win.h"
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#include "base/files/file_path.h"
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#include "build/build_config.h"
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#include "gtest/gtest.h"
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#include "snapshot/win/module_snapshot_win.h"
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#include "snapshot/win/pe_image_reader.h"
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#include "snapshot/win/process_reader_win.h"
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#include "test/paths.h"
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#include "test/win/child_launcher.h"
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#include "util/file/file_io.h"
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#include "util/win/scoped_handle.h"
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#include "util/win/scoped_process_suspend.h"
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namespace crashpad {
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namespace test {
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namespace {
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void TestImageReaderChild(const base::string16& directory_modification) {
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UUID done_uuid(UUID::InitializeWithNewTag{});
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ScopedKernelHANDLE done(
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CreateEvent(nullptr, true, false, done_uuid.ToString16().c_str()));
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ASSERT_TRUE(done.get());
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base::FilePath test_executable = Paths::Executable();
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std::wstring child_test_executable =
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test_executable.DirName()
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.Append(directory_modification)
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.Append(test_executable.BaseName().RemoveFinalExtension().value() +
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L"_image_reader.exe")
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.value();
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ChildLauncher child(child_test_executable, done_uuid.ToString16());
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child.Start();
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char c;
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ASSERT_TRUE(LoggingReadFile(child.stdout_read_handle(), &c, sizeof(c)));
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ASSERT_EQ(' ', c);
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ScopedProcessSuspend suspend(child.process_handle());
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ProcessSnapshotWin process_snapshot;
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ASSERT_TRUE(process_snapshot.Initialize(
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child.process_handle(), ProcessSuspensionState::kSuspended, 0, 0));
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ASSERT_GE(process_snapshot.Modules().size(), 2u);
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UUID uuid;
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DWORD age;
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std::string pdbname;
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const std::string suffix(".pdb");
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// Check the main .exe to see that we can retrieve its sections.
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auto module = reinterpret_cast<const internal::ModuleSnapshotWin*>(
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process_snapshot.Modules()[0]);
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ASSERT_TRUE(module->pe_image_reader().DebugDirectoryInformation(
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&uuid, &age, &pdbname));
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EXPECT_NE(std::string::npos,
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pdbname.find("crashpad_snapshot_test_image_reader"));
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EXPECT_EQ(
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0,
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pdbname.compare(pdbname.size() - suffix.size(), suffix.size(), suffix));
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// Check the dll it loads too.
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module = reinterpret_cast<const internal::ModuleSnapshotWin*>(
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process_snapshot.Modules().back());
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ASSERT_TRUE(module->pe_image_reader().DebugDirectoryInformation(
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&uuid, &age, &pdbname));
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EXPECT_NE(std::string::npos,
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pdbname.find("crashpad_snapshot_test_image_reader_module"));
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EXPECT_EQ(
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0,
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pdbname.compare(pdbname.size() - suffix.size(), suffix.size(), suffix));
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// Sum the size of the extra memory in all the threads and confirm it's near
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// the limit that the child process set in its CrashpadInfo.
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EXPECT_GE(process_snapshot.Threads().size(), 100u);
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size_t extra_memory_total = 0;
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for (const auto* thread : process_snapshot.Threads()) {
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for (const auto* extra_memory : thread->ExtraMemory()) {
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extra_memory_total += extra_memory->Size();
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}
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}
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// We confirm we gathered less than 1M of extra data. The cap is set to only
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// 100K, but there are other "extra memory" regions that aren't included in
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// the cap. (Completely uncapped it would be > 10M.)
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EXPECT_LT(extra_memory_total, 1000000u);
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// Tell the child it can terminate.
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SetEvent(done.get());
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}
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TEST(ProcessSnapshotTest, CrashpadInfoChild) {
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TestImageReaderChild(FILE_PATH_LITERAL("."));
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}
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#if defined(ARCH_CPU_64_BITS)
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TEST(ProcessSnapshotTest, CrashpadInfoChildWOW64) {
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#ifndef NDEBUG
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TestImageReaderChild(FILE_PATH_LITERAL("..\\..\\out\\Debug"));
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#else
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TestImageReaderChild(FILE_PATH_LITERAL("..\\..\\out\\Release"));
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#endif
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}
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#endif
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} // namespace
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} // namespace test
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} // namespace crashpad
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