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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <Windows.h>
#include <werapi.h>
#include "base/files/file_path.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace crash {
namespace test {
namespace {
base::FilePath ModulePath() {
return base::FilePath(FILE_PATH_LITERAL("chrome_wer.dll"));
}
// Check that chrome_wer.dll has expected exports and loads.
// The module is usually loaded by WerFault.exe after a crash.
TEST(ChromeWerModule, ValidModule) {
// Module loads.
HMODULE hMod = LoadLibraryW(ModulePath().value().c_str());
ASSERT_TRUE(hMod);
// Required functions exist.
auto wref = reinterpret_cast<PFN_WER_RUNTIME_EXCEPTION_EVENT>(
GetProcAddress(hMod, WER_RUNTIME_EXCEPTION_EVENT_FUNCTION));
ASSERT_TRUE(wref);
auto wrees = reinterpret_cast<PFN_WER_RUNTIME_EXCEPTION_EVENT_SIGNATURE>(
GetProcAddress(hMod, WER_RUNTIME_EXCEPTION_EVENT_SIGNATURE_FUNCTION));
ASSERT_TRUE(wrees);
auto wredl = reinterpret_cast<PFN_WER_RUNTIME_EXCEPTION_DEBUGGER_LAUNCH>(
GetProcAddress(hMod, WER_RUNTIME_EXCEPTION_DEBUGGER_LAUNCH));
ASSERT_TRUE(wredl);
// Call each function to verify the calling convention.
// Not-implemented functions return E_FAIL as expected.
HRESULT res = wrees(nullptr, nullptr, 0, nullptr, nullptr, nullptr, nullptr);
ASSERT_EQ(res, E_FAIL);
res = wredl(nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
ASSERT_EQ(res, E_FAIL);
WER_RUNTIME_EXCEPTION_INFORMATION wer_ex;
BOOL claimed = TRUE;
// No registration context => skip.
res = wref(nullptr, &wer_ex, &claimed, nullptr, nullptr, nullptr);
ASSERT_EQ(res, S_OK);
ASSERT_EQ(claimed, FALSE);
FreeLibrary(hMod);
}
} // namespace
} // namespace test
} // namespace crash
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