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ICU-3675 A better platform dependent test with va_args.

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X-SVN-Rev: 14836
This commit is contained in:
George Rhoten 2004-04-01 23:04:47 +00:00
parent 7c64f98b9b
commit fa077be618
1 changed files with 30 additions and 14 deletions
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44
icu4c/source/test/cintltst/cmsgtst.c
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@ -1,6 +1,6 @@
/********************************************************************
* COPYRIGHT:
* Copyright (c) 1997-2003, International Business Machines Corporation and
* Copyright (c) 1997-2004, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************/
/********************************************************************************
@ -20,6 +20,7 @@
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "unicode/uloc.h"
#include "unicode/umsg.h"
#include "unicode/udat.h"
@ -88,6 +89,16 @@ static void FreeStrings( void )
strings_initialized = FALSE;
}
/* Platform dependent test to detect if this type will return NULL when interpreted as a pointer. */
static UBool returnsNullForType(int firstParam, ...) {
UBool isNULL;
va_list marker;
va_start(marker, firstParam);
isNULL = (UBool)(va_arg(marker, void*) == NULL);
va_end(marker);
return isNULL;
}
/* Test u_formatMessage() with various test patterns() */
static void MessageFormatTest( void )
{
@ -103,7 +114,7 @@ static void MessageFormatTest( void )
u_uastrncpy(str, "MyDisk", 7);
resultlength=1;
result=(UChar*)malloc(sizeof(UChar) * 1);
log_verbose("Testing u_formatMessage90\n");
log_verbose("Testing u_formatMessage()\n");
InitStrings();
for (i = 0; i < cnt_testCases; i++) {
status=U_ZERO_ERROR;
@ -209,20 +220,25 @@ static void MessageFormatTest( void )
austrdup(result), austrdup(testResultStrings[i]) );
}
#if !defined(U_HPUX)
/* HP/UX and possibly other platforms don't properly check for this case.
We pass in a UDate, but the function expects a UDate *. When va_arg is used,
most compilers will return NULL, but HP-UX won't do that and will return 2
in this case. This is a platform dependent test.
*/
umsg_parse(formatter,result,resultLength,&count,&ec,one,two,d2);
if(ec!=U_ILLEGAL_ARGUMENT_ERROR){
log_err("FAIL: Did not get expected error for umsg_parse(). Expected: U_ILLEGAL_ARGUMENT_ERROR Got: %s \n",u_errorName(ec));
}else{
ec = U_ZERO_ERROR;
if (returnsNullForType(1, (double)2.0)) {
/* HP/UX and possibly other platforms don't properly check for this case.
We pass in a UDate, but the function expects a UDate *. When va_arg is used,
most compilers will return NULL, but HP-UX won't do that and will return 2
in this case. This is a platform dependent test.
This relies upon "undefined" behavior, as indicated by C99 7.15.1.1 paragraph 2
*/
umsg_parse(formatter,result,resultLength,&count,&ec,one,two,d2);
if(ec!=U_ILLEGAL_ARGUMENT_ERROR){
log_err("FAIL: Did not get expected error for umsg_parse(). Expected: U_ILLEGAL_ARGUMENT_ERROR Got: %s \n",u_errorName(ec));
}else{
ec = U_ZERO_ERROR;
}
}
else {
log_verbose("Warning: Returning NULL for a mismatched va_arg type isn't supported on this platform.\n", i);
}
#endif
umsg_parse(formatter,result,resultLength,&count,&ec,&one,&two,&d2);
if(U_FAILURE(ec)){
log_err("umsg_parse could not parse the pattern. Error: %s.\n",u_errorName(ec));