FUtils/FUTestBed.h

/*
    Copyright (C) 2005-2006 Feeling Software Inc.
    MIT License: http://www.opensource.org/licenses/mit-license.php
*/

#ifndef _FU_TESTBED_H_
#define _FU_TESTBED_H_

#include "FUtils/FULogFile.h"

class FUTestSuite;

// QTestBed class
//
class FUTestBed
{
private:
    size_t testPassed, testFailed;
    FULogFile fileOut;
    string filename;
    bool isVerbose;

public:
    FUTestBed(const char* filename, bool isVerbose);

    inline bool IsVerbose() const { return isVerbose; }

    bool RunTestbed(FUTestSuite* headTestSuite);
    void RunTestSuite(FUTestSuite* testSuite);
};

// QTestSuite class
//
class FUTestSuite
{
public:
    virtual size_t GetTestCount() = 0;
    virtual bool RunTest(FUTestBed& testBed, FULogFile& fileOut, size_t testIndex) = 0;
};

// Helpful Macros
//
#if defined(_FU_ASSERT_H_) && defined(_DEBUG)
#define FailIf(a) \
    if ((a)) { \
        fileOut.WriteLine(__FILE__, __LINE__, " Test('%s') failed: %s.", szTestName, #a); \
        extern bool skipAsserts; \
        if (!skipAsserts) { \
            __DEBUGGER_BREAK; \
            skipAsserts = ignoreAssert; } \
        return false; }

#else // _FU_ASSERT_H_ && _DEBUG

#define FailIf(a) \
    if ((a)) { \
        fileOut.WriteLine(__FILE__, __LINE__, " Test('%s') failed: %s.", szTestName, #a); \
        return false; }

#endif // _FU_ASSERT_H_

#define PassIf(a) FailIf(!(a))

#define Fail { bool b = true; FailIf(b); }

#define TESTSUITE_START(suiteName) \
FUTestSuite* _test##suiteName; \
class FUTestSuite##suiteName : public FUTestSuite \
{ \
public: \
    FUTestSuite##suiteName() : FUTestSuite() { _test##suiteName = this; } \
    bool RunTest(FUTestBed& testBed, FULogFile& fileOut, size_t testIndex) \
    { \
        switch (testIndex) { \
            case ~0u : { \
                if (testBed.IsVerbose()) { \
                    fileOut.WriteLine("Running %s...", #suiteName); \
                }

#define TESTSUITE_TEST(test_name) \
            } return true; \
        case (__COUNTER__): { \
            static const char* szTestName = #test_name;

#define TESTSUITE_END \
            } return true; \
        } \
        fileOut.WriteLine(__FILE__, __LINE__, " Test suite implementation error."); \
        return false; \
    } \
    size_t GetTestCount() { return __COUNTER__; } \
} __testSuite;

#define RUN_TESTSUITE(suiteName) \
    extern FUTestSuite* _test##suiteName; \
    testBed.RunTestSuite(_test##suiteName);

#define RUN_TESTBED(szTestSuiteHead, testPassed) { \
    FUTestBed testBed; \
    extern FUTestSuite* _test##szTestSuiteHead; \
    testPassed = testBed.RunTestbed(_test##szTestSuiteHead); }

#endif // _FU_TESTBED_H_

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