source: vbox/trunk/include/iprt/test.h@ 18569

/** @file
 * IPRT - Testcase Framework.
 */

/*
 * Copyright (C) 2009 Sun Microsystems, Inc.
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
 * VirtualBox OSE distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 *
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 USA or visit http://www.sun.com if you need
 * additional information or have any questions.
 */

#ifndef ___iprt_test_h
#define ___iprt_test_h

#include <iprt/cdefs.h>
#include <iprt/types.h>
#include <iprt/stdarg.h>

__BEGIN_DECLS

/** @defgroup grp_rt_test       RTTest - Testcase Framework.
 * @ingroup grp_rt
 * @{
 */

/** A test handle. */
typedef struct RTTESTINT *RTTEST;
/** A pointer to a test handle. */
typedef RTTEST *PRTTEST;
/** A const pointer to a test handle. */
typedef RTTEST const *PCRTTEST;

/** A NIL Test handle. */
#define NIL_RTTEST  ((RTTEST)0)

/**
 * Test message importance level.
 */
typedef enum RTTESTLVL
{
    /** Invalid 0. */
    RTTESTLVL_INVALID = 0,
    /** Message should always be printed. */
    RTTESTLVL_ALWAYS,
    /** Failure message. */
    RTTESTLVL_FAILURE,
    /** Sub-test banner. */
    RTTESTLVL_SUB_TEST,
    /** Info message. */
    RTTESTLVL_INFO,
    /** Debug message. */
    RTTESTLVL_DEBUG,
    /** The last (invalid). */
    RTTESTLVL_END
} RTTESTLVL;


/**
 * Creates a test instance.
 *
 * @returns IPRT status code.
 * @param   pszTest     The test name.
 * @param   phTest      Where to store the test instance handle.
 */
RTR3DECL(int) RTTestCreate(const char *pszTest, PRTTEST phTest);

/**
 * Destroys a test instance previously created by RTTestCreate.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. NIL_RTTEST is ignored.
 */
RTR3DECL(int) RTTestDestroy(RTTEST hTest);

/**
 * Allocate a block of guarded memory.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   cb          The amount of memory to allocate.
 * @param   cbAlign     The alignment of the returned block.
 * @param   fHead       Head or tail optimized guard.
 * @param   ppvUser     Where to return the pointer to the block.
 */
RTR3DECL(int) RTTestGuardedAlloc(RTTEST hTest, size_t cb, uint32_t cbAlign, bool fHead, void **ppvUser);

/**
 * Allocates a block of guarded memory where the guarded is immediately after
 * the user memory.
 *
 * @returns Pointer to the allocated memory. NULL on failure.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   cb          The amount of memory to allocate.
 */
RTR3DECL(void *) RTTestGuardedAllocTail(RTTEST hTest, size_t cb);

/**
 * Allocates a block of guarded memory where the guarded is right in front of
 * the user memory.
 *
 * @returns Pointer to the allocated memory. NULL on failure.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   cb          The amount of memory to allocate.
 */
RTR3DECL(void *) RTTestGuardedAllocHead(RTTEST hTest, size_t cb);

/**
 * Frees a block of guarded memory.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   pv          The memory. NULL is ignored.
 */
RTR3DECL(int) RTTestGuardedFree(RTTEST hTest, void *pv);

/**
 * Test vprintf making sure the output starts on a new line.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   enmLevel    Message importance level.
 * @param   pszFormat   The message.
 * @param   va          Arguments.
 */
RTR3DECL(int) RTTestPrintfNlV(RTTEST hTest, RTTESTLVL enmLevel, const char *pszFormat, va_list va);

/**
 * Test printf making sure the output starts on a new line.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   enmLevel    Message importance level.
 * @param   pszFormat   The message.
 * @param   ...         Arguments.
 */
RTR3DECL(int) RTTestPrintfNl(RTTEST hTest, RTTESTLVL enmLevel, const char *pszFormat, ...);

/**
 * Test vprintf, makes sure lines are prefixed and so forth.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   enmLevel    Message importance level.
 * @param   pszFormat   The message.
 * @param   va          Arguments.
 */
RTR3DECL(int) RTTestPrintfV(RTTEST hTest, RTTESTLVL enmLevel, const char *pszFormat, va_list va);

/**
 * Test printf, makes sure lines are prefixed and so forth.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   enmLevel    Message importance level.
 * @param   pszFormat   The message.
 * @param   ...         Arguments.
 */
RTR3DECL(int) RTTestPrintf(RTTEST hTest, RTTESTLVL enmLevel, const char *pszFormat, ...);

/**
 * Prints the test banner.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 */
RTR3DECL(int) RTTestBanner(RTTEST hTest);

/**
 * Summaries the test, destroys the test instance and return an exit code.
 *
 * @returns Test program exit code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 */
RTR3DECL(int) RTTestSummaryAndDestroy(RTTEST hTest);

/**
 * Starts a sub-test.
 *
 * This will perform an implicit RTTestSubDone() call if that has not been done
 * since the last RTTestSub call.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   pszSubTest  The sub-test name
 */
RTR3DECL(int) RTTestSub(RTTEST hTest, const char *pszSubTest);

/**
 * Completes a sub-test.
 *
 * @returns Number of chars printed.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 */
RTR3DECL(int) RTTestSubDone(RTTEST hTest);

/**
 * Increments the error counter.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 */
RTR3DECL(int) RTTestErrorInc(RTTEST hTest);

/**
 * Increments the error counter and prints a failure message.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   pszFormat   The message. No trailing newline.
 * @param   va          The arguments.
 */
RTR3DECL(int) RTTestFailedV(RTTEST hTest, const char *pszFormat, va_list va);

/**
 * Increments the error counter and prints a failure message.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   pszFormat   The message. No trailing newline.
 * @param   ...         The arguments.
 */
RTR3DECL(int) RTTestFailed(RTTEST hTest, const char *pszFormat, ...);


/** @def RTTEST_CHECK
 * Check whether a boolean expression holds true.
 *
 * If the expression is false, call RTTestFailed giving the line number and expression.
 *
 * @param   hTest       The test handle.
 * @param   expr        The expression to evaluate.
 */
#define RTTEST_CHECK(hTest, expr) \
    do { if (!(expr)) { RTTestFailed((hTest), "line %u: %s", __LINE__, #expr); } } while (0)

/** @def RTTEST_CHECK_MSG
 * Check whether a boolean expression holds true.
 *
 * If the expression is false, call RTTestFailed giving the line number and expression.
 *
 * @param   hTest           The test handle.
 * @param   expr            The expression to evaluate.
 * @param   TestPrintfArgs  Argument list for RTTestPrintf, including
 *                          parenthesis.
 */
#define RTTEST_CHECK_MSG(hTest, expr, TestPrintfArgs) \
    do { if (!(expr)) { \
            RTTestFailed((hTest), "line %u: %s", __LINE__, #expr); \
            RTTestPrintf TestPrintfArgs; \
         } \
    } while (0)


/**
 * Prints an extended PASSED message, optional.
 *
 * This does not conclude the sub-test, it could be used to report the passing
 * of a sub-sub-to-the-power-of-N-test.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   pszFormat   The message. No trailing newline.
 * @param   va          The arguments.
 */
RTR3DECL(int) RTTestPassedV(RTTEST hTest, const char *pszFormat, va_list va);

/**
 * Prints an extended PASSED message, optional.
 *
 * This does not conclude the sub-test, it could be used to report the passing
 * of a sub-sub-to-the-power-of-N-test.
 *
 * @returns IPRT status code.
 * @param   hTest       The test handle. If NIL_RTTEST we'll use the one
 *                      associated with the calling thread.
 * @param   pszFormat   The message. No trailing newline.
 * @param   ...         The arguments.
 */
RTR3DECL(int) RTTestPassed(RTTEST hTest, const char *pszFormat, ...);


/** @}  */

__END_DECLS

#endif