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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: Several integers are read from a previously written file
** using _getw. The test passes if the values read match those known to
** be in the file.
**
**
**==========================================================================*/
#include <palsuite.h>
/*Tests _getw using a previously written data file */
int __cdecl main(int argc, char **argv)
{
const int testValues[] =
{
0,
1,
-1,
0x7FFFFFFF, /* largest positive integer on 32 bit systems */
0x80000000, /* largest negative integer on 32 bit systems */
0xFFFFFFFF,
0xFFFFAAAA
};
int i = 0;
int input = 0;
const char filename[] = "test.dat";
FILE *fp = NULL;
/*
* Initialize the PAL and return FAIL if this fails
*/
if (0 != (PAL_Initialize(argc, argv)))
{
return FAIL;
}
/* write the file that we will use to test */
/*
Don't uncomment this code, it was used to create the data file
initially on windows, but if it is run on all test platforms, the
tests will always pass.
fp = fopen(filename, "w");
if (fp == NULL)
{
Fail("Unable to open file for write.\n");
}
for (i = 0; i < sizeof(testValues) / sizeof(testValues[0]); i++)
{
_putw(testValues[i], fp);
}
if (fclose(fp) != 0)
{
Fail("Error closing file after writing to it with _putw.\n");
}
*/
/*Now read values back from the file and see if they match.*/
fp = fopen(filename, "r");
if (fp == NULL)
{
Fail ("Unable to open file for read.\n");
}
for (i = 0; i < sizeof(testValues) / sizeof(testValues[0]); i++)
{
input = _getw(fp);
if (VAL32(input) != testValues[i])
{
Fail ("_getw did not get the expected values when reading "
"from a file.\n");
}
}
if (fclose(fp) != 0)
{
Fail ("Error closing file after reading from it with _getw\n");
}
PAL_Terminate();
return PASS;
}
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