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testautomation_rwops.c
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/**
* Automated SDL_RWops test.
*
* Original code written by Edgar Simo "bobbens"
* Ported by Markus Kauppila (markus.kauppila@gmail.com)
* Updated for SDL_test by aschiffler at ferzkopp dot net
*
* Released under Public Domain.
*/
/* quiet windows compiler warnings */
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include "SDL.h"
#include "SDL_test.h"
/* ================= Test Case Implementation ================== */
const char* RWopsReadTestFilename = "rwops_read";
const char* RWopsWriteTestFilename = "rwops_write";
static const char RWopsHelloWorldTestString[] = "Hello World!";
static const char RWopsHelloWorldCompString[] = "Hello World!";
/* Fixture */
void
RWopsSetUp(void *arg)
{
int fileLen = SDL_strlen(RWopsHelloWorldTestString);
FILE *handle;
int writtenLen;
int result;
/* Clean up from previous runs (if any); ignore errors */
remove(RWopsReadTestFilename);
remove(RWopsWriteTestFilename);
/* 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 test into it */
writtenLen = (int)fwrite(RWopsHelloWorldTestString, 1, fileLen, handle);
SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", fileLen, 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);
remove(RWopsWriteTestFilename);
SDLTest_AssertPass("Cleanup of test files completed");
}
/**
* @brief Makes sure parameters work properly. Local helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RWseek
* http://wiki.libsdl.org/moin.cgi/SDL_RWread
*/
void
_testGenericRWopsValidations(SDL_RWops *rw, int write)
{
char buf[sizeof(RWopsHelloWorldTestString)];
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int seekPos = SDLTest_RandomIntegerInRange(4, 8);
/* Clear buffer */
SDL_zero(buf);
/* Set to start. */
i = SDL_RWseek(rw, 0, RW_SEEK_SET );
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
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SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (RW_SEEK_SET), expected 0, got %i", i);
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/* Test write. */
i = SDL_RWwrite(rw, RWopsHelloWorldTestString, sizeof(RWopsHelloWorldTestString)-1, 1);
SDLTest_AssertPass("Call to SDL_RWwrite succeeded");
if (write) {
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SDLTest_AssertCheck(i == (Sint64)1, "Verify result of writing one byte with SDL_RWwrite, expected 1, got %i", i);
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SDLTest_AssertCheck(i != (Sint64)1, "Verify result of writing with SDL_RWwrite, expected !=1, got %i", i);
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}
/* Test seek to random position */
i = SDL_RWseek( rw, seekPos, RW_SEEK_SET );
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
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SDLTest_AssertCheck(i == (Sint64)seekPos, "Verify seek to %i with SDL_RWseek (RW_SEEK_SET), expected %i, got %i", seekPos, seekPos, i);
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/* Test seek back to start */
i = SDL_RWseek(rw, 0, RW_SEEK_SET );
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
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SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (RW_SEEK_SET), expected 0, got %i", i);
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/* Test read */
i = SDL_RWread( rw, buf, 1, sizeof(RWopsHelloWorldTestString)-1 );
SDLTest_AssertPass("Call to SDL_RWread succeeded");
SDLTest_AssertCheck(
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i == (Sint64)(sizeof(RWopsHelloWorldTestString)-1),
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"Verify result from SDL_RWread, expected %i, got %i",
sizeof(RWopsHelloWorldTestString)-1,
i);
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(
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i == (Sint64)(sizeof(RWopsHelloWorldTestString)-5),
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"Verify seek to -4 with SDL_RWseek (RW_SEEK_CUR), expected %i, got %i",
sizeof(RWopsHelloWorldTestString)-5,
i);
i = SDL_RWseek( rw, -1, RW_SEEK_END );
SDLTest_AssertPass("Call to SDL_RWseek(...,-1,RW_SEEK_END) succeeded");
SDLTest_AssertCheck(
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i == (Sint64)(sizeof(RWopsHelloWorldTestString)-2),
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"Verify seek to -1 with SDL_RWseek (RW_SEEK_END), expected %i, got %i",
sizeof(RWopsHelloWorldTestString)-2,
i);
}
/*!
* Negative test for SDL_RWFromFile parameters
*
* \sa http://wiki.libsdl.org/moin.cgi/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");
return TEST_COMPLETED;
}
/**
* @brief Tests opening from memory.
*
* \sa http://wiki.libsdl.org/moin.cgi/SDL_RWFromMem
*/
int
rwops_testMem (void)
{
char mem[sizeof(RWopsHelloWorldTestString)];
SDL_RWops *rw;
/* Clear buffer */
SDL_zero(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;
/* Run generic tests */
_testGenericRWopsValidations(rw, 1);
/* Close */
SDL_RWclose(rw);
SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
return TEST_COMPLETED;
}
/**
* @brief Tests opening from memory.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RWFromConstMem
*/
int
rwops_testConstMem (void)
{
SDL_RWops *rw;
/* 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;
/* Run generic tests */
_testGenericRWopsValidations( rw, 0 );
/* Close handle */
SDL_RWclose(rw);
SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
return TEST_COMPLETED;
}
/**
* @brief Tests reading from file.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RWFromFile
* http://wiki.libsdl.org/moin.cgi/SDL_FreeRW
*/
int
rwops_testFileRead(void)
{
SDL_RWops *rw;
/* 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;
/* Run generic tests */
_testGenericRWopsValidations( rw, 0 );
/* Close handle */
SDL_RWclose(rw);
SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
return TEST_COMPLETED;
}
/**
* @brief Tests writing from memory.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RWFromFile
* http://wiki.libsdl.org/moin.cgi/SDL_FreeRW
*/
int
rwops_testFileWrite(void)
{
SDL_RWops *rw;
/* 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;
/* Run generic tests */
_testGenericRWopsValidations( rw, 1 );
/* Close handle */
SDL_RWclose(rw);
SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
return TEST_COMPLETED;
}
/**
* @brief Tests reading from file handle
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RWFromFP
* http://wiki.libsdl.org/moin.cgi/SDL_FreeRW
*
*/
int
rwops_testFPRead(void)
{
FILE *fp;
SDL_RWops *rw;
/* 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 */
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rw = SDL_RWFromFP( fp, SDL_TRUE );
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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 */
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if (rw == NULL) {
fclose(fp);
return TEST_ABORTED;
}
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/* Run generic tests */
_testGenericRWopsValidations( rw, 0 );
/* Close handle */
SDL_RWclose(rw);
SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
fclose(fp);
return TEST_COMPLETED;
}
/**
* @brief Tests writing to file handle
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RWFromFP
* http://wiki.libsdl.org/moin.cgi/SDL_FreeRW
*
*/
int
rwops_testFPWrite(void)
{
FILE *fp;
SDL_RWops *rw;
/* 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 */
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rw = SDL_RWFromFP( fp, SDL_TRUE );
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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 */
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if (rw == NULL) {
fclose(fp);
return TEST_ABORTED;
}
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/* Run generic tests */
_testGenericRWopsValidations( rw, 1 );
/* Close handle */
SDL_RWclose(rw);
SDLTest_AssertPass("Call to SDL_RWclose() succeeded");
fclose(fp);
return TEST_COMPLETED;
}
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/**
* @brief Tests alloc and free RW context.
*
* \sa http://wiki.libsdl.org/moin.cgi/SDL_FreeRW
* \sa http://wiki.libsdl.org/moin.cgi/SDL_AllocRW
*/
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;
/* Free context again */
SDL_FreeRW(rw);
SDLTest_AssertPass("Call to SDL_FreeRW() succeeded");
return TEST_COMPLETED;
}
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/* ================= 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 };
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static const SDLTest_TestCaseReference rwopsTest8 =
{ (SDLTest_TestCaseFp)rwops_testAllocFree, "rwops_testAllocFree", "Test alloc and free of RW context", TEST_ENABLED };
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/* Sequence of RWops test cases */
static const SDLTest_TestCaseReference *rwopsTests[] = {
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&rwopsTest1, &rwopsTest2, &rwopsTest3, &rwopsTest4, &rwopsTest5, &rwopsTest6, &rwopsTest7, &rwopsTest8, NULL
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};
/* RWops test suite (global) */
SDLTest_TestSuiteReference rwopsTestSuite = {
"RWops",
RWopsSetUp,
rwopsTests,
RWopsTearDown
};