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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/win/conflicts/module_event_sink_impl.h"
#include <windows.h>
#include <memory>
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// The address of this module in memory. The linker will take care of defining
// this symbol.
extern "C" IMAGE_DOS_HEADER __ImageBase;
// An invalid load address.
const uint64_t kInvalidLoadAddress = 0xDEADBEEF;
} // namespace
class ModuleEventSinkImplTest : public testing::Test {
public:
ModuleEventSinkImplTest(const ModuleEventSinkImplTest&) = delete;
ModuleEventSinkImplTest& operator=(const ModuleEventSinkImplTest&) = delete;
protected:
ModuleEventSinkImplTest() = default;
~ModuleEventSinkImplTest() override = default;
bool CreateModuleSinkImpl() {
HANDLE process_handle = 0;
if (!::DuplicateHandle(::GetCurrentProcess(), ::GetCurrentProcess(),
::GetCurrentProcess(), &process_handle, 0, FALSE,
DUPLICATE_SAME_ACCESS)) {
return false;
}
module_event_sink_impl_ = std::make_unique<ModuleEventSinkImpl>(
base::Process(process_handle), content::PROCESS_TYPE_BROWSER,
base::BindRepeating(&ModuleEventSinkImplTest::OnModuleEvent,
base::Unretained(this)));
return true;
}
void OnModuleEvent(content::ProcessType process_type,
const base::FilePath& module_path,
uint32_t module_size,
uint32_t module_time_date_stamp) {
++module_event_count_;
}
int module_event_count() { return module_event_count_; }
// Must be first.
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<ModuleEventSinkImpl> module_event_sink_impl_;
int module_event_count_ = 0;
};
TEST_F(ModuleEventSinkImplTest, CallsForwardedAsExpected) {
const uintptr_t kValidLoadAddress = reinterpret_cast<uintptr_t>(&__ImageBase);
EXPECT_EQ(0, module_event_count());
ASSERT_TRUE(CreateModuleSinkImpl());
EXPECT_EQ(0, module_event_count());
// An invalid load event should not cause a module entry.
module_event_sink_impl_->OnModuleEvents({kInvalidLoadAddress});
task_environment_.RunUntilIdle();
EXPECT_EQ(0, module_event_count());
// A valid load event should cause a module entry.
module_event_sink_impl_->OnModuleEvents({kValidLoadAddress});
task_environment_.RunUntilIdle();
EXPECT_EQ(1, module_event_count());
}
TEST_F(ModuleEventSinkImplTest, MultipleEvents) {
const uintptr_t kLoadAddress1 = reinterpret_cast<uintptr_t>(&__ImageBase);
const uintptr_t kLoadAddress2 =
reinterpret_cast<uintptr_t>(::GetModuleHandle(L"kernel32.dll"));
ASSERT_TRUE(CreateModuleSinkImpl());
EXPECT_EQ(0, module_event_count());
module_event_sink_impl_->OnModuleEvents({kLoadAddress1, kLoadAddress2});
task_environment_.RunUntilIdle();
EXPECT_EQ(2, module_event_count());
}
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