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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdio.h>
#include <string>
#include "base/compiler_specific.h"
#include "base/environment.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "breakpad/src/client/windows/crash_generation/client_info.h"
#include "breakpad/src/client/windows/crash_generation/crash_generation_server.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// The name of the environment variable used to pass the crash server pipe name
// to the crashing child process.
const char kPipeVariableName[] = "REMOTING_BREAKPAD_WIN_DEATH_TEST_PIPE_NAME";
// The prefix string used to generate a unique crash server pipe name.
// The name has to be unique as multiple test instances can be running
// simultaneously.
const wchar_t kPipeNamePrefix[] = L"\\\\.\\pipe\\";
class MockCrashServerCallbacks {
public:
MockCrashServerCallbacks();
virtual ~MockCrashServerCallbacks();
// |google_breakpad::CrashGenerationServer| invokes callbacks from artitrary
// thread pool threads. |OnClientDumpRequested| is the only one that happened
// to be called in synchronous manner. While it is still called on
// a thread pool thread, the crashing process will wait until the server
// signals an event after |OnClientDumpRequested| completes (or until 15
// seconds timeout expires).
MOCK_METHOD0(OnClientDumpRequested, void());
static void OnClientDumpRequestCallback(
void* context,
const google_breakpad::ClientInfo* client_info,
const std::wstring* file_path);
};
MockCrashServerCallbacks::MockCrashServerCallbacks() {
}
MockCrashServerCallbacks::~MockCrashServerCallbacks() {
}
// static
void MockCrashServerCallbacks::OnClientDumpRequestCallback(
void* context,
const google_breakpad::ClientInfo* /* client_info */,
const std::wstring* /* file_path */) {
reinterpret_cast<MockCrashServerCallbacks*>(context)->OnClientDumpRequested();
}
} // namespace
namespace remoting {
void InitializeCrashReportingForTest(const wchar_t* pipe_name);
class BreakpadWinDeathTest : public testing::Test {
public:
BreakpadWinDeathTest();
~BreakpadWinDeathTest() override;
void SetUp() override;
protected:
scoped_ptr<google_breakpad::CrashGenerationServer> crash_server_;
scoped_ptr<MockCrashServerCallbacks> callbacks_;
std::wstring pipe_name_;
};
BreakpadWinDeathTest::BreakpadWinDeathTest() {
}
BreakpadWinDeathTest::~BreakpadWinDeathTest() {
}
void BreakpadWinDeathTest::SetUp() {
scoped_ptr<base::Environment> environment(base::Environment::Create());
std::string pipe_name;
if (environment->GetVar(kPipeVariableName, &pipe_name)) {
// This is a child process. Initialize crash dump reporting to the crash
// dump server.
pipe_name_ = base::UTF8ToWide(pipe_name);
InitializeCrashReportingForTest(pipe_name_.c_str());
} else {
// This is the parent process. Generate a unique pipe name and setup
// a dummy crash dump server.
UUID guid = {0};
RPC_STATUS status = UuidCreate(&guid);
EXPECT_TRUE(status == RPC_S_OK || status == RPC_S_UUID_LOCAL_ONLY);
pipe_name_ =
base::StringPrintf(
L"%ls%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
kPipeNamePrefix,
guid.Data1,
guid.Data2,
guid.Data3,
guid.Data4[0],
guid.Data4[1],
guid.Data4[2],
guid.Data4[3],
guid.Data4[4],
guid.Data4[5],
guid.Data4[6],
guid.Data4[7]);
EXPECT_TRUE(environment->SetVar(kPipeVariableName,
base::WideToUTF8(pipe_name_)));
// Setup a dummy crash dump server.
callbacks_.reset(new MockCrashServerCallbacks());
crash_server_.reset(
new google_breakpad::CrashGenerationServer(
pipe_name_,
NULL,
NULL,
NULL,
MockCrashServerCallbacks::OnClientDumpRequestCallback,
callbacks_.get(),
NULL,
NULL,
NULL,
NULL,
false,
NULL));
ASSERT_TRUE(crash_server_->Start());
}
}
TEST_F(BreakpadWinDeathTest, TestAccessViolation) {
if (callbacks_.get()) {
EXPECT_CALL(*callbacks_, OnClientDumpRequested());
}
// Generate access violation exception.
ASSERT_DEATH(*reinterpret_cast<volatile int*>(NULL) = 1, "");
}
TEST_F(BreakpadWinDeathTest, TestInvalidParameter) {
if (callbacks_.get()) {
EXPECT_CALL(*callbacks_, OnClientDumpRequested());
}
// Cause the invalid parameter callback to be called.
ASSERT_EXIT(printf(NULL), testing::ExitedWithCode(0), "");
}
TEST_F(BreakpadWinDeathTest, TestDebugbreak) {
if (callbacks_.get()) {
EXPECT_CALL(*callbacks_, OnClientDumpRequested());
}
// See if __debugbreak() is intercepted.
ASSERT_DEATH(__debugbreak(), "");
}
} // namespace remoting
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