pjs/xpcom/tests/TestCRT.cpp

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2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCRT.h"
#include "nsString.h"
#include "plstr.h"
#include <stdlib.h>
// 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 comparision 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(s1), t2(s2);
const PRUnichar* us1 = t1.GetUnicode();
const PRUnichar* us2 = t2.GetUnicode();
PRIntn u = nsCRT::strcmp(us1, s2);
PRIntn u_n = nsCRT::strncmp(us1, s2, n);
PRIntn u_case = nsCRT::strcasecmp(us1, s2);
PRIntn u_case_n = nsCRT::strncasecmp(us1, s2, n);
PRIntn u2 = nsCRT::strcmp(us1, us2);
PRIntn u2_n = nsCRT::strncmp(us1, us2, n);
PRIntn u2_case = nsCRT::strcasecmp(us1, us2);
PRIntn u2_case_n = nsCRT::strncasecmp(us1, us2, n);
NS_ASSERTION(clib == u, "strcmp");
NS_ASSERTION(clib_n == u_n, "strncmp");
NS_ASSERTION(clib_case == u_case, "strcasecmp");
NS_ASSERTION(clib_case_n == u_case_n, "strncasecmp");
NS_ASSERTION(clib == u2, "strcmp");
NS_ASSERTION(clib_n == u2_n, "strncmp");
NS_ASSERTION(clib_case == u2_case, "strcasecmp");
NS_ASSERTION(clib_case_n == u2_case_n, "strncasecmp");
}
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;
}