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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <memory>
#include <string>
#include "mongo/base/disallow_copying.h"
#include "mongo/stdx/memory.h"
#include "mongo/unittest/unittest.h"
/**
* Constructs a single death test named "TEST_NAME" within the test case "CASE_NAME".
*
* The test only succeeds if the process terminates abnormally, e.g. through an fassert
* failure or deadly signal.
*
* Death tests are incompatible with already-running threads. If you need multiple threads
* in your death test, start them in the test body, or use DEATH_TEST_F and start them
* in the setUp() method of the fixture.
*/
#define DEATH_TEST(CASE_NAME, TEST_NAME, MATCH_EXPR) \
class _TEST_TYPE_NAME(CASE_NAME, TEST_NAME) : public ::mongo::unittest::Test { \
private: \
virtual void _doTest(); \
\
static const RegistrationAgent< \
::mongo::unittest::DeathTest<_TEST_TYPE_NAME(CASE_NAME, TEST_NAME)>> \
_agent; \
}; \
const ::mongo::unittest::Test::RegistrationAgent< \
::mongo::unittest::DeathTest<_TEST_TYPE_NAME(CASE_NAME, TEST_NAME)>> \
_TEST_TYPE_NAME(CASE_NAME, TEST_NAME)::_agent(#CASE_NAME, #TEST_NAME); \
std::string getDeathTestPattern(_TEST_TYPE_NAME(CASE_NAME, TEST_NAME)*) { \
return MATCH_EXPR; \
} \
void _TEST_TYPE_NAME(CASE_NAME, TEST_NAME)::_doTest()
/**
* Constructs a single test named TEST_NAME that has access to a common fixture
* named "FIXTURE_NAME".
*
* See description of DEATH_TEST for more details on death tests.
*/
#define DEATH_TEST_F(FIXTURE_NAME, TEST_NAME, MATCH_EXPR) \
class _TEST_TYPE_NAME(FIXTURE_NAME, TEST_NAME) : public FIXTURE_NAME { \
private: \
virtual void _doTest(); \
\
static const RegistrationAgent< \
::mongo::unittest::DeathTest<_TEST_TYPE_NAME(FIXTURE_NAME, TEST_NAME)>> \
_agent; \
}; \
const ::mongo::unittest::Test::RegistrationAgent< \
::mongo::unittest::DeathTest<_TEST_TYPE_NAME(FIXTURE_NAME, TEST_NAME)>> \
_TEST_TYPE_NAME(FIXTURE_NAME, TEST_NAME)::_agent(#FIXTURE_NAME, #TEST_NAME); \
std::string getDeathTestPattern(_TEST_TYPE_NAME(FIXTURE_NAME, TEST_NAME)*) { \
return MATCH_EXPR; \
} \
void _TEST_TYPE_NAME(FIXTURE_NAME, TEST_NAME)::_doTest()
namespace mongo {
namespace unittest {
class DeathTestImpl : public Test {
MONGO_DISALLOW_COPYING(DeathTestImpl);
protected:
explicit DeathTestImpl(stdx::function<std::unique_ptr<Test>()> makeTest);
private:
void _doTest() final;
virtual std::string getPattern() = 0;
const stdx::function<std::unique_ptr<Test>()> _makeTest;
};
template <typename T>
class DeathTest : public DeathTestImpl {
public:
static const std::string pattern;
template <typename... Args>
DeathTest(Args&&... args)
: DeathTestImpl([args...]() { return stdx::make_unique<T>(args...); }) {}
private:
std::string getPattern() override {
return getDeathTestPattern(static_cast<T*>(nullptr));
}
};
} // namespace unittest
} // namespace mongo
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