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41 results

testautomation_rwops.c

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  • Logan Aerl Arias's avatar
    Logan Aerl Arias authored
    update SDL2 to v2.30.0
    19724314
    History
    testautomation_rwops.c 27.00 KiB
    
    /**
     * Automated SDL_RWops test.
     *
     * Original code written by Edgar Simo "bobbens"
     * Ported by Markus Kauppila (markus.kauppila@gmail.com)
     * Updated and extended for SDL_test by aschiffler at ferzkopp dot net
     *
     * Released under Public Domain.
     */
    
    /* quiet windows compiler warnings */
    #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
    #define _CRT_SECURE_NO_WARNINGS
    #endif
    
    #include <stdio.h>
    
    #include "SDL.h"
    #include "SDL_test.h"
    
    /* ================= Test Case Implementation ================== */
    
    const char *RWopsReadTestFilename = "rwops_read";
    const char *RWopsWriteTestFilename = "rwops_write";
    const char *RWopsAlphabetFilename = "rwops_alphabet";
    
    static const char RWopsHelloWorldTestString[] = "Hello World!";
    static const char RWopsHelloWorldCompString[] = "Hello World!";
    static const char RWopsAlphabetString[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    
    /* Fixture */
    
    void RWopsSetUp(void *arg)
    {
        size_t fileLen;
        FILE *handle;
        size_t writtenLen;
        int result;
    
        /* Clean up from previous runs (if any); ignore errors */
        (void)remove(RWopsReadTestFilename);
        (void)remove(RWopsWriteTestFilename);
        (void)remove(RWopsAlphabetFilename);
    
        /* Create a test file */
        handle = fopen(RWopsReadTestFilename, "w");
        SDLTest_AssertCheck(handle != NULL, "Verify creation of file '%s' returned non NULL handle", RWopsReadTestFilename);
        if (handle == NULL) {
            return;
        }
    
        /* Write some known text into it */
        fileLen = SDL_strlen(RWopsHelloWorldTestString);
        writtenLen = fwrite(RWopsHelloWorldTestString, 1, fileLen, handle);
        SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", (int)fileLen, (int)writtenLen);
        result = fclose(handle);
        SDLTest_AssertCheck(result == 0, "Verify result from fclose, expected 0, got %i", result);
    
        /* Create a second test file */
        handle = fopen(RWopsAlphabetFilename, "w");
        SDLTest_AssertCheck(handle != NULL, "Verify creation of file '%s' returned non NULL handle", RWopsAlphabetFilename);
        if (handle == NULL) {
            return;
        }
    
        /* Write alphabet text into it */
        fileLen = SDL_strlen(RWopsAlphabetString);
        writtenLen = fwrite(RWopsAlphabetString, 1, fileLen, handle);
        SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", (int)fileLen, (int)writtenLen);
        result = fclose(handle);
        SDLTest_AssertCheck(result == 0, "Verify result from fclose, expected 0, got %i", result);
    
        SDLTest_AssertPass("Creation of test file completed");
    }
    
    void RWopsTearDown(void *arg)
    {
        int result;
    
        /* Remove the created files to clean up; ignore errors for write filename */
        result = remove(RWopsReadTestFilename);
        SDLTest_AssertCheck(result == 0, "Verify result from remove(%s), expected 0, got %i", RWopsReadTestFilename, result);
        (void)remove(RWopsWriteTestFilename);
        result = remove(RWopsAlphabetFilename);
        SDLTest_AssertCheck(result == 0, "Verify result from remove(%s), expected 0, got %i", RWopsAlphabetFilename, result);
    
        SDLTest_AssertPass("Cleanup of test files completed");
    }
    
    /**
     * @brief Makes sure parameters work properly. Local helper function.
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWseek
     * http://wiki.libsdl.org/SDL_RWread
     */
    void _testGenericRWopsValidations(SDL_RWops *rw, int write)
    {
        char buf[sizeof(RWopsHelloWorldTestString)];
        Sint64 i;
        size_t s;
        int seekPos = SDLTest_RandomIntegerInRange(4, 8);
    
        /* Clear buffer */
        SDL_zeroa(buf);
    
        /* Set to start. */
        i = SDL_RWseek(rw, 0, RW_SEEK_SET);
        SDLTest_AssertPass("Call to SDL_RWseek succeeded");
        SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (RW_SEEK_SET), expected 0, got %" SDL_PRIs64, i);
    
        /* Test write. */
        s = SDL_RWwrite(rw, RWopsHelloWorldTestString, sizeof(RWopsHelloWorldTestString) - 1, 1);
        SDLTest_AssertPass("Call to SDL_RWwrite succeeded");
        if (write) {
            SDLTest_AssertCheck(s == (size_t)1, "Verify result of writing one byte with SDL_RWwrite, expected 1, got %i", (int)s);
        } else {
            SDLTest_AssertCheck(s == (size_t)0, "Verify result of writing with SDL_RWwrite, expected: 0, got %i", (int)s);
        }
    
        /* Test seek to random position */
        i = SDL_RWseek(rw, seekPos, RW_SEEK_SET);
        SDLTest_AssertPass("Call to SDL_RWseek succeeded");
        SDLTest_AssertCheck(i == (Sint64)seekPos, "Verify seek to %i with SDL_RWseek (RW_SEEK_SET), expected %i, got %" SDL_PRIs64, seekPos, seekPos, i);
    
        /* Test seek back to start */
        i = SDL_RWseek(rw, 0, RW_SEEK_SET);
        SDLTest_AssertPass("Call to SDL_RWseek succeeded");
        SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (RW_SEEK_SET), expected 0, got %" SDL_PRIs64, i);
    
        /* Test read */
        s = SDL_RWread(rw, buf, 1, sizeof(RWopsHelloWorldTestString) - 1);
        SDLTest_AssertPass("Call to SDL_RWread succeeded");
        SDLTest_AssertCheck(
            s == (size_t)(sizeof(RWopsHelloWorldTestString) - 1),
            "Verify result from SDL_RWread, expected %i, got %i",
            (int)(sizeof(RWopsHelloWorldTestString) - 1),
            (int)s);
        SDLTest_AssertCheck(
            SDL_memcmp(buf, RWopsHelloWorldTestString, sizeof(RWopsHelloWorldTestString) - 1) == 0,
            "Verify read bytes match expected string, expected '%s', got '%s'", RWopsHelloWorldTestString, buf);
    
        /* More seek tests. */
        i = SDL_RWseek(rw, -4, RW_SEEK_CUR);
        SDLTest_AssertPass("Call to SDL_RWseek(...,-4,RW_SEEK_CUR) succeeded");
        SDLTest_AssertCheck(
            i == (Sint64)(sizeof(RWopsHelloWorldTestString) - 5),
            "Verify seek to -4 with SDL_RWseek (RW_SEEK_CUR), expected %i, got %i",
            (int)(sizeof(RWopsHelloWorldTestString) - 5),
            (int)i);
    
        i = SDL_RWseek(rw, -1, RW_SEEK_END);
        SDLTest_AssertPass("Call to SDL_RWseek(...,-1,RW_SEEK_END) succeeded");
        SDLTest_AssertCheck(
            i == (Sint64)(sizeof(RWopsHelloWorldTestString) - 2),
            "Verify seek to -1 with SDL_RWseek (RW_SEEK_END), expected %i, got %i",
            (int)(sizeof(RWopsHelloWorldTestString) - 2),
            (int)i);
    
        /* Invalid whence seek */
        i = SDL_RWseek(rw, 0, 999);
        SDLTest_AssertPass("Call to SDL_RWseek(...,0,invalid_whence) succeeded");
        SDLTest_AssertCheck(
            i == (Sint64)(-1),
            "Verify seek with SDL_RWseek (invalid_whence); expected: -1, got %i",
            (int)i);
    }
    
    /* !
     * Negative test for SDL_RWFromFile parameters
     *
     * \sa http://wiki.libsdl.org/SDL_RWFromFile
     *
     */
    int rwops_testParamNegative(void)
    {
        SDL_RWops *rwops;
    
        /* These should all fail. */
        rwops = SDL_RWFromFile(NULL, NULL);
        SDLTest_AssertPass("Call to SDL_RWFromFile(NULL, NULL) succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromFile(NULL, NULL) returns NULL");
    
        rwops = SDL_RWFromFile(NULL, "ab+");
        SDLTest_AssertPass("Call to SDL_RWFromFile(NULL, \"ab+\") succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromFile(NULL, \"ab+\") returns NULL");
    
        rwops = SDL_RWFromFile(NULL, "sldfkjsldkfj");
        SDLTest_AssertPass("Call to SDL_RWFromFile(NULL, \"sldfkjsldkfj\") succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromFile(NULL, \"sldfkjsldkfj\") returns NULL");
    
        rwops = SDL_RWFromFile("something", "");
        SDLTest_AssertPass("Call to SDL_RWFromFile(\"something\", \"\") succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromFile(\"something\", \"\") returns NULL");
    
        rwops = SDL_RWFromFile("something", NULL);
        SDLTest_AssertPass("Call to SDL_RWFromFile(\"something\", NULL) succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromFile(\"something\", NULL) returns NULL");
    
        rwops = SDL_RWFromMem(NULL, 10);
        SDLTest_AssertPass("Call to SDL_RWFromMem(NULL, 10) succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromMem(NULL, 10) returns NULL");
    
        rwops = SDL_RWFromMem((void *)RWopsAlphabetString, 0);
        SDLTest_AssertPass("Call to SDL_RWFromMem(data, 0) succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromMem(data, 0) returns NULL");
    
        rwops = SDL_RWFromConstMem((const void *)RWopsAlphabetString, 0);
        SDLTest_AssertPass("Call to SDL_RWFromConstMem(data, 0) succeeded");
        SDLTest_AssertCheck(rwops == NULL, "Verify SDL_RWFromConstMem(data, 0) returns NULL");
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests opening from memory.
     *
     * \sa http://wiki.libsdl.org/SDL_RWFromMem
     * \sa http://wiki.libsdl.org/SDL_RWClose
     */
    int rwops_testMem(void)
    {
        char mem[sizeof(RWopsHelloWorldTestString)];
        SDL_RWops *rw;
        int result;
    
        /* Clear buffer */
        SDL_zeroa(mem);
    
        /* Open */
        rw = SDL_RWFromMem(mem, sizeof(RWopsHelloWorldTestString) - 1);
        SDLTest_AssertPass("Call to SDL_RWFromMem() succeeded");
        SDLTest_AssertCheck(rw != NULL, "Verify opening memory with SDL_RWFromMem does not return NULL");
    
        /* Bail out if NULL */
        if (rw == NULL) {
            return TEST_ABORTED;
        }
    
        /* Check type */
        SDLTest_AssertCheck(rw->type == SDL_RWOPS_MEMORY, "Verify RWops type is SDL_RWOPS_MEMORY; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_MEMORY, rw->type);
    
        /* Run generic tests */
        _testGenericRWopsValidations(rw, 1);
    
        /* Close */
        result = SDL_RWclose(rw);
        SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
        SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests opening from memory.
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWFromConstMem
     * http://wiki.libsdl.org/SDL_RWClose
     */
    int rwops_testConstMem(void)
    {
        SDL_RWops *rw;
        int result;
    
        /* Open handle */
        rw = SDL_RWFromConstMem(RWopsHelloWorldCompString, sizeof(RWopsHelloWorldCompString) - 1);
        SDLTest_AssertPass("Call to SDL_RWFromConstMem() succeeded");
        SDLTest_AssertCheck(rw != NULL, "Verify opening memory with SDL_RWFromConstMem does not return NULL");
    
        /* Bail out if NULL */
        if (rw == NULL) {
            return TEST_ABORTED;
        }
    
        /* Check type */
        SDLTest_AssertCheck(rw->type == SDL_RWOPS_MEMORY_RO, "Verify RWops type is SDL_RWOPS_MEMORY_RO; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_MEMORY_RO, rw->type);
    
        /* Run generic tests */
        _testGenericRWopsValidations(rw, 0);
    
        /* Close handle */
        result = SDL_RWclose(rw);
        SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
        SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests reading from file.
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWFromFile
     * http://wiki.libsdl.org/SDL_RWClose
     */
    int rwops_testFileRead(void)
    {
        SDL_RWops *rw;
        int result;
    
        /* Read test. */
        rw = SDL_RWFromFile(RWopsReadTestFilename, "r");
        SDLTest_AssertPass("Call to SDL_RWFromFile(..,\"r\") succeeded");
        SDLTest_AssertCheck(rw != NULL, "Verify opening file with SDL_RWFromFile in read mode does not return NULL");
    
        /* Bail out if NULL */
        if (rw == NULL) {
            return TEST_ABORTED;
        }
    
        /* Check type */
    #if defined(__ANDROID__)
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_STDFILE || rw->type == SDL_RWOPS_JNIFILE,
            "Verify RWops type is SDL_RWOPS_STDFILE or SDL_RWOPS_JNIFILE; expected: %d|%d, got: %d", SDL_RWOPS_STDFILE, SDL_RWOPS_JNIFILE, rw->type);
    #elif defined(__WIN32__)
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_WINFILE,
            "Verify RWops type is SDL_RWOPS_WINFILE; expected: %d, got: %d", SDL_RWOPS_WINFILE, rw->type);
    #else
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_STDFILE,
            "Verify RWops type is SDL_RWOPS_STDFILE; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_STDFILE, rw->type);
    #endif
    
        /* Run generic tests */
        _testGenericRWopsValidations(rw, 0);
    
        /* Close handle */
        result = SDL_RWclose(rw);
        SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
        SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests writing from file.
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWFromFile
     * http://wiki.libsdl.org/SDL_RWClose
     */
    int rwops_testFileWrite(void)
    {
        SDL_RWops *rw;
        int result;
    
        /* Write test. */
        rw = SDL_RWFromFile(RWopsWriteTestFilename, "w+");
        SDLTest_AssertPass("Call to SDL_RWFromFile(..,\"w+\") succeeded");
        SDLTest_AssertCheck(rw != NULL, "Verify opening file with SDL_RWFromFile in write mode does not return NULL");
    
        /* Bail out if NULL */
        if (rw == NULL) {
            return TEST_ABORTED;
        }
    
        /* Check type */
    #if defined(__ANDROID__)
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_STDFILE || rw->type == SDL_RWOPS_JNIFILE,
            "Verify RWops type is SDL_RWOPS_STDFILE or SDL_RWOPS_JNIFILE; expected: %d|%d, got: %d", SDL_RWOPS_STDFILE, SDL_RWOPS_JNIFILE, rw->type);
    #elif defined(__WIN32__)
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_WINFILE,
            "Verify RWops type is SDL_RWOPS_WINFILE; expected: %d, got: %d", SDL_RWOPS_WINFILE, rw->type);
    #else
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_STDFILE,
            "Verify RWops type is SDL_RWOPS_STDFILE; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_STDFILE, rw->type);
    #endif
    
        /* Run generic tests */
        _testGenericRWopsValidations(rw, 1);
    
        /* Close handle */
        result = SDL_RWclose(rw);
        SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
        SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests reading from file handle
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWFromFP
     * http://wiki.libsdl.org/SDL_RWClose
     *
     */
    int
    rwops_testFPRead(void)
    {
    #ifdef HAVE_LIBC
       FILE *fp;
       SDL_RWops *rw;
       int result;
    
       /* Run read tests. */
       fp = fopen(RWopsReadTestFilename, "r");
       SDLTest_AssertCheck(fp != NULL, "Verify handle from opening file '%s' in read mode is not NULL", RWopsReadTestFilename);
    
       /* Bail out if NULL */
       if (fp == NULL) return TEST_ABORTED;
    
       /* Open */
       rw = SDL_RWFromFP( fp, SDL_TRUE );
       SDLTest_AssertPass("Call to SDL_RWFromFP() succeeded");
       SDLTest_AssertCheck(rw != NULL, "Verify opening file with SDL_RWFromFP in read mode does not return NULL");
    
       /* Bail out if NULL */
       if (rw == NULL) {
         fclose(fp);
         return TEST_ABORTED;
       }
    
       /* Check type */
       SDLTest_AssertCheck(
           rw->type == SDL_RWOPS_STDFILE,
           "Verify RWops type is SDL_RWOPS_STDFILE; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_STDFILE, rw->type);
    
       /* Run generic tests */
       _testGenericRWopsValidations( rw, 0 );
    
       /* Close handle - does fclose() */
       result = SDL_RWclose(rw);
       SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
       SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
    #endif /* HAVE_LIBC */
    
       return TEST_COMPLETED;
    }
    
    
    /**
     * @brief Tests writing to file handle
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWFromFP
     * http://wiki.libsdl.org/SDL_RWClose
     *
     */
    int
    rwops_testFPWrite(void)
    {
    #ifdef HAVE_LIBC
       FILE *fp;
       SDL_RWops *rw;
       int result;
    
       /* Run write tests. */
       fp = fopen(RWopsWriteTestFilename, "w+");
       SDLTest_AssertCheck(fp != NULL, "Verify handle from opening file '%s' in write mode is not NULL", RWopsWriteTestFilename);
    
       /* Bail out if NULL */
       if (fp == NULL) return TEST_ABORTED;
    
       /* Open */
       rw = SDL_RWFromFP( fp, SDL_TRUE );
       SDLTest_AssertPass("Call to SDL_RWFromFP() succeeded");
       SDLTest_AssertCheck(rw != NULL, "Verify opening file with SDL_RWFromFP in write mode does not return NULL");
    
       /* Bail out if NULL */
       if (rw == NULL) {
         fclose(fp);
         return TEST_ABORTED;
       }
    
       /* Check type */
       SDLTest_AssertCheck(
           rw->type == SDL_RWOPS_STDFILE,
           "Verify RWops type is SDL_RWOPS_STDFILE; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_STDFILE, rw->type);
    
       /* Run generic tests */
       _testGenericRWopsValidations( rw, 1 );
    
       /* Close handle - does fclose() */
       result = SDL_RWclose(rw);
       SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
       SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
    #endif /* HAVE_LIBC */
    
       return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests alloc and free RW context.
     *
     * \sa http://wiki.libsdl.org/SDL_AllocRW
     * \sa http://wiki.libsdl.org/SDL_FreeRW
     */
    int rwops_testAllocFree(void)
    {
        /* Allocate context */
        SDL_RWops *rw = SDL_AllocRW();
        SDLTest_AssertPass("Call to SDL_AllocRW() succeeded");
        SDLTest_AssertCheck(rw != NULL, "Validate result from SDL_AllocRW() is not NULL");
        if (rw == NULL) {
            return TEST_ABORTED;
        }
    
        /* Check type */
        SDLTest_AssertCheck(
            rw->type == SDL_RWOPS_UNKNOWN,
            "Verify RWops type is SDL_RWOPS_UNKNOWN; expected: %d, got: %" SDL_PRIu32, SDL_RWOPS_UNKNOWN, rw->type);
    
        /* Free context again */
        SDL_FreeRW(rw);
        SDLTest_AssertPass("Call to SDL_FreeRW() succeeded");
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Compare memory and file reads
     *
     * \sa http://wiki.libsdl.org/SDL_RWFromMem
     * \sa http://wiki.libsdl.org/SDL_RWFromFile
     */
    int rwops_testCompareRWFromMemWithRWFromFile(void)
    {
        int slen = 26;
        char buffer_file[27];
        char buffer_mem[27];
        size_t rv_file;
        size_t rv_mem;
        Uint64 sv_file;
        Uint64 sv_mem;
        SDL_RWops *rwops_file;
        SDL_RWops *rwops_mem;
        int size;
        int result;
    
        for (size = 5; size < 10; size++) {
            /* Terminate buffer */
            buffer_file[slen] = 0;
            buffer_mem[slen] = 0;
    
            /* Read/seek from memory */
            rwops_mem = SDL_RWFromMem((void *)RWopsAlphabetString, slen);
            SDLTest_AssertPass("Call to SDL_RWFromMem()");
            rv_mem = SDL_RWread(rwops_mem, buffer_mem, size, 6);
            SDLTest_AssertPass("Call to SDL_RWread(mem, size=%d)", size);
            sv_mem = SDL_RWseek(rwops_mem, 0, SEEK_END);
            SDLTest_AssertPass("Call to SDL_RWseek(mem,SEEK_END)");
            result = SDL_RWclose(rwops_mem);
            SDLTest_AssertPass("Call to SDL_RWclose(mem)");
            SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
            /* Read/see from file */
            rwops_file = SDL_RWFromFile(RWopsAlphabetFilename, "r");
            SDLTest_AssertPass("Call to SDL_RWFromFile()");
            rv_file = SDL_RWread(rwops_file, buffer_file, size, 6);
            SDLTest_AssertPass("Call to SDL_RWread(file, size=%d)", size);
            sv_file = SDL_RWseek(rwops_file, 0, SEEK_END);
            SDLTest_AssertPass("Call to SDL_RWseek(file,SEEK_END)");
            result = SDL_RWclose(rwops_file);
            SDLTest_AssertPass("Call to SDL_RWclose(file)");
            SDLTest_AssertCheck(result == 0, "Verify result value is 0; got: %d", result);
    
            /* Compare */
            SDLTest_AssertCheck(rv_mem == rv_file, "Verify returned read blocks matches for mem and file reads; got: rv_mem=%d rv_file=%d", (int)rv_mem, (int)rv_file);
            SDLTest_AssertCheck(sv_mem == sv_file, "Verify SEEK_END position matches for mem and file seeks; got: sv_mem=%d sv_file=%d", (int)sv_mem, (int)sv_file);
            SDLTest_AssertCheck(buffer_mem[slen] == 0, "Verify mem buffer termination; expected: 0, got: %d", buffer_mem[slen]);
            SDLTest_AssertCheck(buffer_file[slen] == 0, "Verify file buffer termination; expected: 0, got: %d", buffer_file[slen]);
            SDLTest_AssertCheck(
                SDL_strncmp(buffer_mem, RWopsAlphabetString, slen) == 0,
                "Verify mem buffer contain alphabet string; expected: %s, got: %s", RWopsAlphabetString, buffer_mem);
            SDLTest_AssertCheck(
                SDL_strncmp(buffer_file, RWopsAlphabetString, slen) == 0,
                "Verify file buffer contain alphabet string; expected: %s, got: %s", RWopsAlphabetString, buffer_file);
        }
    
        return TEST_COMPLETED;
    }
    
    /**
     * @brief Tests writing and reading from file using endian aware functions.
     *
     * \sa
     * http://wiki.libsdl.org/SDL_RWFromFile
     * http://wiki.libsdl.org/SDL_RWClose
     * http://wiki.libsdl.org/SDL_ReadBE16
     * http://wiki.libsdl.org/SDL_WriteBE16
     */
    int rwops_testFileWriteReadEndian(void)
    {
        SDL_RWops *rw;
        Sint64 result;
        int mode;
        size_t objectsWritten;
        Uint16 BE16value;
        Uint32 BE32value;
        Uint64 BE64value;
        Uint16 LE16value;
        Uint32 LE32value;
        Uint64 LE64value;
        Uint16 BE16test;
        Uint32 BE32test;
        Uint64 BE64test;
        Uint16 LE16test;
        Uint32 LE32test;
        Uint64 LE64test;
        int cresult;
    
        for (mode = 0; mode < 3; mode++) {
    
            /* Create test data */
            switch (mode) {
            default:
            case 0:
                SDLTest_Log("All 0 values");
                BE16value = 0;
                BE32value = 0;
                BE64value = 0;
                LE16value = 0;
                LE32value = 0;
                LE64value = 0;
                break;
            case 1:
                SDLTest_Log("All 1 values");
                BE16value = 1;
                BE32value = 1;
                BE64value = 1;
                LE16value = 1;
                LE32value = 1;
                LE64value = 1;
                break;
            case 2:
                SDLTest_Log("Random values");
                BE16value = SDLTest_RandomUint16();
                BE32value = SDLTest_RandomUint32();
                BE64value = SDLTest_RandomUint64();
                LE16value = SDLTest_RandomUint16();
                LE32value = SDLTest_RandomUint32();
                LE64value = SDLTest_RandomUint64();
                break;
            }
    
            /* Write test. */
            rw = SDL_RWFromFile(RWopsWriteTestFilename, "w+");
            SDLTest_AssertPass("Call to SDL_RWFromFile(..,\"w+\")");
            SDLTest_AssertCheck(rw != NULL, "Verify opening file with SDL_RWFromFile in write mode does not return NULL");
    
            /* Bail out if NULL */
            if (rw == NULL) {
                return TEST_ABORTED;
            }
    
            /* Write test data */
            objectsWritten = SDL_WriteBE16(rw, BE16value);
            SDLTest_AssertPass("Call to SDL_WriteBE16()");
            SDLTest_AssertCheck(objectsWritten == 1, "Validate number of objects written, expected: 1, got: %i", (int)objectsWritten);
            objectsWritten = SDL_WriteBE32(rw, BE32value);
            SDLTest_AssertPass("Call to SDL_WriteBE32()");
            SDLTest_AssertCheck(objectsWritten == 1, "Validate number of objects written, expected: 1, got: %i", (int)objectsWritten);
            objectsWritten = SDL_WriteBE64(rw, BE64value);
            SDLTest_AssertPass("Call to SDL_WriteBE64()");
            SDLTest_AssertCheck(objectsWritten == 1, "Validate number of objects written, expected: 1, got: %i", (int)objectsWritten);
            objectsWritten = SDL_WriteLE16(rw, LE16value);
            SDLTest_AssertPass("Call to SDL_WriteLE16()");
            SDLTest_AssertCheck(objectsWritten == 1, "Validate number of objects written, expected: 1, got: %i", (int)objectsWritten);
            objectsWritten = SDL_WriteLE32(rw, LE32value);
            SDLTest_AssertPass("Call to SDL_WriteLE32()");
            SDLTest_AssertCheck(objectsWritten == 1, "Validate number of objects written, expected: 1, got: %i", (int)objectsWritten);
            objectsWritten = SDL_WriteLE64(rw, LE64value);
            SDLTest_AssertPass("Call to SDL_WriteLE64()");
            SDLTest_AssertCheck(objectsWritten == 1, "Validate number of objects written, expected: 1, got: %i", (int)objectsWritten);
    
            /* Test seek to start */
            result = SDL_RWseek(rw, 0, RW_SEEK_SET);
            SDLTest_AssertPass("Call to SDL_RWseek succeeded");
            SDLTest_AssertCheck(result == 0, "Verify result from position 0 with SDL_RWseek, expected 0, got %i", (int)result);
    
            /* Read test data */
            BE16test = SDL_ReadBE16(rw);
            SDLTest_AssertPass("Call to SDL_ReadBE16()");
            SDLTest_AssertCheck(BE16test == BE16value, "Validate return value from SDL_ReadBE16, expected: %hu, got: %hu", BE16value, BE16test);
            BE32test = SDL_ReadBE32(rw);
            SDLTest_AssertPass("Call to SDL_ReadBE32()");
            SDLTest_AssertCheck(BE32test == BE32value, "Validate return value from SDL_ReadBE32, expected: %" SDL_PRIu32 ", got: %" SDL_PRIu32, BE32value, BE32test);
            BE64test = SDL_ReadBE64(rw);
            SDLTest_AssertPass("Call to SDL_ReadBE64()");
            SDLTest_AssertCheck(BE64test == BE64value, "Validate return value from SDL_ReadBE64, expected: %" SDL_PRIu64 ", got: %" SDL_PRIu64, BE64value, BE64test);
            LE16test = SDL_ReadLE16(rw);
            SDLTest_AssertPass("Call to SDL_ReadLE16()");
            SDLTest_AssertCheck(LE16test == LE16value, "Validate return value from SDL_ReadLE16, expected: %hu, got: %hu", LE16value, LE16test);
            LE32test = SDL_ReadLE32(rw);
            SDLTest_AssertPass("Call to SDL_ReadLE32()");
            SDLTest_AssertCheck(LE32test == LE32value, "Validate return value from SDL_ReadLE32, expected: %" SDL_PRIu32 ", got: %" SDL_PRIu32, LE32value, LE32test);
            LE64test = SDL_ReadLE64(rw);
            SDLTest_AssertPass("Call to SDL_ReadLE64()");
            SDLTest_AssertCheck(LE64test == LE64value, "Validate return value from SDL_ReadLE64, expected: %" SDL_PRIu64 ", got: %" SDL_PRIu64, LE64value, LE64test);
    
            /* Close handle */
            cresult = SDL_RWclose(rw);
            SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
            SDLTest_AssertCheck(cresult == 0, "Verify result value is 0; got: %d", cresult);
        }
    
        return TEST_COMPLETED;
    }
    
    /* ================= Test References ================== */
    
    /* RWops test cases */
    static const SDLTest_TestCaseReference rwopsTest1 = {
        (SDLTest_TestCaseFp)rwops_testParamNegative, "rwops_testParamNegative", "Negative test for SDL_RWFromFile parameters", TEST_ENABLED
    };
    
    static const SDLTest_TestCaseReference rwopsTest2 = {
        (SDLTest_TestCaseFp)rwops_testMem, "rwops_testMem", "Tests opening from memory", TEST_ENABLED
    };
    
    static const SDLTest_TestCaseReference rwopsTest3 = {
        (SDLTest_TestCaseFp)rwops_testConstMem, "rwops_testConstMem", "Tests opening from (const) memory", TEST_ENABLED
    };
    
    static const SDLTest_TestCaseReference rwopsTest4 = {
        (SDLTest_TestCaseFp)rwops_testFileRead, "rwops_testFileRead", "Tests reading from a file", TEST_ENABLED
    };
    
    static const SDLTest_TestCaseReference rwopsTest5 = {
        (SDLTest_TestCaseFp)rwops_testFileWrite, "rwops_testFileWrite", "Test writing to a file", TEST_ENABLED
    };
    
    static const SDLTest_TestCaseReference rwopsTest6 =
            { (SDLTest_TestCaseFp)rwops_testFPRead, "rwops_testFPRead", "Test reading from file pointer", TEST_ENABLED };
    
    static const SDLTest_TestCaseReference rwopsTest7 =
            { (SDLTest_TestCaseFp)rwops_testFPWrite, "rwops_testFPWrite", "Test writing to file pointer", TEST_ENABLED };
    
    static const SDLTest_TestCaseReference rwopsTest8 =
            { (SDLTest_TestCaseFp)rwops_testAllocFree, "rwops_testAllocFree", "Test alloc and free of RW context", TEST_ENABLED };
    
    static const SDLTest_TestCaseReference rwopsTest9 =
            { (SDLTest_TestCaseFp)rwops_testFileWriteReadEndian, "rwops_testFileWriteReadEndian", "Test writing and reading via the Endian aware functions", TEST_ENABLED };
    
    static const SDLTest_TestCaseReference rwopsTest10 =
            { (SDLTest_TestCaseFp)rwops_testCompareRWFromMemWithRWFromFile, "rwops_testCompareRWFromMemWithRWFromFile", "Compare RWFromMem and RWFromFile RWops for read and seek", TEST_ENABLED };
    
    /* Sequence of RWops test cases */
    static const SDLTest_TestCaseReference *rwopsTests[] = {
        &rwopsTest1, &rwopsTest2, &rwopsTest3, &rwopsTest4, &rwopsTest5, &rwopsTest6,
        &rwopsTest7, &rwopsTest8, &rwopsTest9, &rwopsTest10, NULL
    };
    
    /* RWops test suite (global) */
    SDLTest_TestSuiteReference rwopsTestSuite = {
        "RWops",
        RWopsSetUp,
        rwopsTests,
        RWopsTearDown
    };