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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:
** Ensure that this function moves the string pointer back one character.
** First do a basic test to check that the pointer gets moved back the one
** character, given str1 and str+1 as params. Then try with both
** params being the same pointer, which should return NULL. Also test
** when the first pointer is past the second pointer, which should
** return null. Finally try this function on an array of single bytes,
** which it assumes are characters and should work in the same fashion.
**
**
**==========================================================================*/
#include <palsuite.h>
/*
* Note: it seems like these functions would only be useful if they
* didn't assume a character was equivalent to a single byte. Be that
* as it may, I haven't seen a way to get it to behave otherwise.
*/
int __cdecl main(int argc, char *argv[])
{
unsigned char *str1 = (unsigned char*) "foo";
unsigned char str2[] = {0xC0, 0x80, 0xC0, 0x80, 0};
unsigned char str3[] = {0};
unsigned char *ret = NULL;
/*
* Initialize the PAL and return FAIL if this fails
*/
if (0 != (PAL_Initialize(argc, argv)))
{
return FAIL;
}
ret = _mbsdec(str1,str1+1);
if (ret != str1)
{
Fail ("ERROR: _mbsdec returned %p. Expected %p\n", ret, str1);
}
ret = _mbsdec(str1,str1);
if (ret != NULL)
{
Fail ("ERROR: _mbsdec returned %p. Expected %p\n", ret, NULL);
}
ret = _mbsdec(str1+100,str1);
if (ret != NULL)
{
Fail ("ERROR: _mbsdec returned %p. Expected %p\n", ret, NULL);
}
ret = _mbsdec(str2,str2+1);
if (ret != str2)
{
Fail ("ERROR: _mbsdec returned %p. Expected %p\n", ret, str2+1);
}
ret = _mbsdec(str3,str3+10);
if (ret != str3+9)
{
Fail ("ERROR: _mbsdec returned %p. Expected %p\n", ret, str3+9);
}
PAL_Terminate();
return PASS;
}
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