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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
commit | 16f504a9dca3fe3b70568f67b7d41241ae485288 (patch) | |
tree | c60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/tests/TestCRT.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-upstream.tar.xz virtualbox-upstream.zip |
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/tests/TestCRT.cpp')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/tests/TestCRT.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/tests/TestCRT.cpp b/src/libs/xpcom18a4/xpcom/tests/TestCRT.cpp new file mode 100644 index 00000000..11bdd512 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/tests/TestCRT.cpp @@ -0,0 +1,112 @@ +/* -*- 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; +} |