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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=====================================================================
**
** Source: test1.c
**
** Purpose: Call fputs twice and write two strings to a file. Then
** call fread on the file and check that the data which was written is what
** we expect it to be.
**
**
**===================================================================*/
#include <palsuite.h>
int __cdecl main(int argc, char **argv)
{
FILE* TheFile;
char* StringOne = "FooBar";
char* StringTwo = "BarFoo";
char* CompleteString = "FooBarBarFoo";
char ReadBuffer[64];
int ret;
if (PAL_Initialize(argc, argv))
{
return FAIL;
}
/* Open the file that we'll be working with */
TheFile = fopen("TestFile", "w+");
if(TheFile == NULL)
{
Fail("ERROR: fopen failed to open the file 'TestFile' in read/write "
"mode.\n");
}
/* Call fputs twice to write two strings to the file stream */
if(fputs(StringOne, TheFile) < 0)
{
Fail("ERROR: fputs returned a negative value when attempting to "
"put the string '%s' to the file.\n",StringOne);
}
if(fputs(StringTwo, TheFile) < 0)
{
Fail("ERROR: fputs returned a negative value when attempting to "
"put the string '%s' to the file.\n",StringTwo);
}
/* Flush the buffers */
if(fflush(TheFile) != 0)
{
Fail("ERROR: fflush failed to properly flush the buffers.\n");
}
/* Now read from the file to ensure the data was written correctly.
Note: We read more than what was written to make sure nothing extra
was written.
*/
if(fseek(TheFile, 0, SEEK_SET) != 0)
{
Fail("ERROR: fseek failed to set the file pointer back to the start "
"of the file.\n");
}
if((ret = fread(ReadBuffer, 1, 20, TheFile)) != 12)
{
Fail("ERROR: fread should have returned that it read in 12 characters "
"from the file, but instead it returned %d.\n", ret);
}
ReadBuffer[ret] = '\0';
if(strcmp(ReadBuffer, CompleteString) != 0)
{
Fail("ERROR: The data read back from the file is not exactly the same "
"as the data that was written by fputs. The file contains '%s' "
"instead of '%s'.\n",ReadBuffer, CompleteString);
}
if(fclose(TheFile) != 0)
{
Fail("ERROR: fclose failed to close the file stream.\n");
}
PAL_Terminate();
return PASS;
}
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