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;
+}