Initial add. Regression test for bug 121658.

js/tests/js1_5/Exceptions/regress-121658.js

@@ -0,0 +1,117 @@
+/* ***** BEGIN LICENSE BLOCK *****
+* Version: NPL 1.1/GPL 2.0/LGPL 2.1
+*
+* The contents of this file are subject to the Netscape 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/NPL/
+*
+* 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 JavaScript Engine testing utilities.
+*
+* The Initial Developer of the Original Code is Netscape Communications Corp.
+* Portions created by the Initial Developer are Copyright (C) 2002
+* the Initial Developer. All Rights Reserved.
+*
+* Contributor(s): timeless@mac.com,pschwartau@netscape.com
+*
+* Alternatively, the contents of this file may be used under the terms of
+* either 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 NPL, 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 NPL, the GPL or the LGPL.
+*
+* ***** END LICENSE BLOCK *****
+*
+*
+* Date:    24 Jan 2002
+* SUMMARY: "Too much recursion" errors should be safely caught by try...catch
+* See http://bugzilla.mozilla.org/show_bug.cgi?id=121658
+*
+* In Section 1 below, we expect i>0. The bug was filed because we were getting
+* i===0; i.e. |i| did not retain the value it had at the location of the error.
+*
+*/
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var bug = 121658;
+var msg = '"Too much recursion" errors should be safely caught by try...catch';
+var TEST_PASSED = 'i retained the value it had at location of error';
+var TEST_FAILED = 'i did NOT retain the value it had at location of error';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+var i;
+
+
+function f()
+{
+  ++i;
+
+  // this try...catch should catch the "too much recursion" error to follow
+  try
+  {
+    f();
+  }
+  catch(e)
+  {
+  }
+}
+
+i=0; 
+f();
+
+status = inSection(1);
+actual = checkThis(i>0);
+expect = TEST_PASSED;
+addThis();
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function checkThis(outcome)
+{
+  return outcome? TEST_PASSED : TEST_FAILED;
+}
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(bug);
+  printStatus(msg);
+ 
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}