91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*
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* UnitTest.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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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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*/
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#ifndef FLOW_UNITTEST_H
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#define FLOW_UNITTEST_H
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#pragma once
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/*
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* Flow unit testing framework
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*
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* This is an *extremely* lightweight framework for writing optionally asynchronous,
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* optionally randomized unit tests.
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*
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* Usage:
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*
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* TEST_CASE( "product/module/testcase" ) {
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* double random_test_parameter = g_random->random01();
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* ASSERT( something );
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* return Void();
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* }
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*
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* In an `.actor.cpp` file, the body of a TEST_CASE is an actor (may contain `wait`, `state`, etc)
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* In a `.cpp` file, the body of a TEST_CASE is an ordinary function returning a Future<Void>
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*
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* Our tools for actually executing tests are external to flow (and use g_unittests to find test cases).
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* See the `UnitTestWorkload` class.
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*/
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#include "flow.h"
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struct UnitTest {
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typedef Future<Void>(*TestFunction)();
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const char* name;
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const char* file;
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int line;
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TestFunction func;
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UnitTest* next;
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UnitTest(const char* name, const char* file, int line, TestFunction func);
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};
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struct UnitTestCollection {
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UnitTest* tests;
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};
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extern UnitTestCollection g_unittests;
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#define APPEND(a,b) a##b
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// FILE_UNIQUE_NAME(basename) expands to a name like basename456 if on line 456
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#define FILE_UNIQUE_NAME1(name,line) APPEND(name,line)
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#define FILE_UNIQUE_NAME(name) FILE_UNIQUE_NAME1(name, __LINE__)
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#ifdef FLOW_DISABLE_UNIT_TESTS
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#define TEST_CASE( name ) \
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static Future<Void> FILE_UNIQUE_NAME(disabled_testcase_func)()
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#define ACTOR_TEST_CASE( actorname, name )
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#else
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#define TEST_CASE( name ) \
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static Future<Void> FILE_UNIQUE_NAME(testcase_func)(); \
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namespace { static UnitTest FILE_UNIQUE_NAME(testcase)(name,__FILE__,__LINE__,&FILE_UNIQUE_NAME(testcase_func)); } \
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static Future<Void> FILE_UNIQUE_NAME(testcase_func)()
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// ACTOR_TEST_CASE generated by actorcompiler; don't use directly
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#define ACTOR_TEST_CASE( actorname, name ) \
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namespace { UnitTest APPEND(testcase_, actorname)(name, __FILE__, __LINE__, &actorname); }
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#endif
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#endif |