/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

/**
 *  \file SDL_test_harness.h
 *
 *  Test suite related functions of SDL test framework.
 *
 *  This code is a part of the SDL test library, not the main SDL library.
 */

/*
  Defines types for test case definitions and the test execution harness API.

  Based on original GSOC code by Markus Kauppila <markus.kauppila@gmail.com>
*/

#ifndef SDL_test_h_arness_h
#define SDL_test_h_arness_h

#include <SDL3/SDL_begin_code.h>
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif


/* ! Definitions for test case structures */
#define TEST_ENABLED  1
#define TEST_DISABLED 0

/* ! Definition of all the possible test return values of the test case method */
#define TEST_ABORTED        -1
#define TEST_STARTED         0
#define TEST_COMPLETED       1
#define TEST_SKIPPED         2

/* ! Definition of all the possible test results for the harness */
#define TEST_RESULT_PASSED              0
#define TEST_RESULT_FAILED              1
#define TEST_RESULT_NO_ASSERT           2
#define TEST_RESULT_SKIPPED             3
#define TEST_RESULT_SETUP_FAILURE       4

/* !< Function pointer to a test case setup function (run before every test) */
typedef void (*SDLTest_TestCaseSetUpFp)(void *arg);

/* !< Function pointer to a test case function */
typedef int (*SDLTest_TestCaseFp)(void *arg);

/* !< Function pointer to a test case teardown function (run after every test) */
typedef void  (*SDLTest_TestCaseTearDownFp)(void *arg);

/*
 * Holds information about a single test case.
 */
typedef struct SDLTest_TestCaseReference {
    /* !< Func2Stress */
    SDLTest_TestCaseFp testCase;
    /* !< Short name (or function name) "Func2Stress" */
    const char *name;
    /* !< Long name or full description "This test pushes func2() to the limit." */
    const char *description;
    /* !< Set to TEST_ENABLED or TEST_DISABLED (test won't be run) */
    int enabled;
} SDLTest_TestCaseReference;

/*
 * Holds information about a test suite (multiple test cases).
 */
typedef struct SDLTest_TestSuiteReference {
    /* !< "PlatformSuite" */
    const char *name;
    /* !< The function that is run before each test. NULL skips. */
    SDLTest_TestCaseSetUpFp testSetUp;
    /* !< The test cases that are run as part of the suite. Last item should be NULL. */
    const SDLTest_TestCaseReference **testCases;
    /* !< The function that is run after each test. NULL skips. */
    SDLTest_TestCaseTearDownFp testTearDown;
} SDLTest_TestSuiteReference;


/*
 * Generates a random run seed string for the harness. The generated seed will contain alphanumeric characters (0-9A-Z).
 *
 * Note: The returned string needs to be deallocated by the caller.
 *
 * \param length The length of the seed string to generate
 *
 * \returns the generated seed string
 */
char *SDLTest_GenerateRunSeed(const int length);

/*
 * Execute a test suite using the given run seed and execution key.
 *
 * \param testSuites Suites containing the test case.
 * \param userRunSeed Custom run seed provided by user, or NULL to autogenerate one.
 * \param userExecKey Custom execution key provided by user, or 0 to autogenerate one.
 * \param filter Filter specification. NULL disables. Case sensitive.
 * \param testIterations Number of iterations to run each test case.
 *
 * \returns the test run result: 0 when all tests passed, 1 if any tests failed.
 */
int SDLTest_RunSuites(SDLTest_TestSuiteReference *testSuites[], const char *userRunSeed, Uint64 userExecKey, const char *filter, int testIterations);


/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include <SDL3/SDL_close_code.h>

#endif /* SDL_test_h_arness_h */
