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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCRT.h"
#include "nsString.h"
#include "plstr.h"
#include <stdlib.h>
// The return from strcmp etc is only defined to be postive, zero or
// negative. The magnitude of a non-zero return is irrelevant.
PRIntn sign(PRIntn val) {
if (val == 0)
return 0;
else {
if (val > 0)
return 1;
else
return -1;
}
}
// Verify that nsCRT versions of string comparison routines get the
// same answers as the native non-unicode versions. We only pass in
// iso-latin-1 strings, so the comparison must be valid.
static void Check(const char* s1, const char* s2, PRIntn n)
{
PRIntn clib = PL_strcmp(s1, s2);
PRIntn clib_n = PL_strncmp(s1, s2, n);
PRIntn clib_case = PL_strcasecmp(s1, s2);
PRIntn clib_case_n = PL_strncasecmp(s1, s2, n);
nsAutoString t1,t2;
t1.AssignWithConversion(s1);
t2.AssignWithConversion(s2);
const PRUnichar* us1 = t1.get();
const PRUnichar* us2 = t2.get();
PRIntn u2 = nsCRT::strcmp(us1, us2);
PRIntn u2_n = nsCRT::strncmp(us1, us2, n);
NS_ASSERTION(sign(clib) == sign(u2), "strcmp");
NS_ASSERTION(sign(clib_n) == sign(u2_n), "strncmp");
}
struct Test {
const char* s1;
const char* s2;
PRIntn n;
};
static Test tests[] = {
{ "foo", "foo", 3 },
{ "foo", "fo", 3 },
{ "foo", "bar", 3 },
{ "foo", "ba", 3 },
{ "foo", "zap", 3 },
{ "foo", "za", 3 },
{ "bar", "foo", 3 },
{ "bar", "fo", 3 },
{ "bar", "foo", 3 },
{ "bar", "fo", 3 },
};
#define NUM_TESTS int((sizeof(tests) / sizeof(tests[0])))
int main()
{
Test* tp = tests;
for (int i = 0; i < NUM_TESTS; i++, tp++) {
Check(tp->s1, tp->s2, tp->n);
}
return 0;
}
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