Initial add. Regression test for bug 192465.

js/tests/js1_5/Regress/regress-192465.js

@@ -0,0 +1,127 @@
+/* ***** 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) 2003
+* the Initial Developer. All Rights Reserved.
+*
+* Contributor(s): igor@icesoft.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:    10 February 2003
+* SUMMARY: Object.toSource() recursion should check stack overflow
+*
+* See http://bugzilla.mozilla.org/show_bug.cgi?id=192465
+*
+*/
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var bug = 192465;
+var summary = 'Object.toSource() recursion should check stack overflow';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+/*
+ * We're just testing that this script will compile and run.
+ * Set both |actual| and |expect| to a dummy value.
+ */
+status = inSection(1);
+var N = 100;
+var str = make_deep_nest(N);
+actual = 1;
+expect = 1;
+addThis();
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+/*
+ * EXAMPLE:
+ *
+ * If the global variable |N| is 2, then for |level| == 0, 1, 2, the return
+ * value of this function will be toSource() of these objects, respectively:
+ *
+ * {next:{next:END}}
+ * {next:{next:{next:{next:END}}}}
+ * {next:{next:{next:{next:{next:{next:END}}}}}}
+ *
+ */
+function make_deep_nest(level)
+{
+  var head = {};
+  var cursor = head;
+
+  for (var i=0; i!=N; ++i)
+  {
+    cursor.next = {};
+    cursor = cursor.next;
+  }
+
+  cursor.toSource = function()
+  {
+    if (level != 0)
+      return make_deep_nest(level - 1);
+    return "END";
+  }
+
+  return head.toSource();
+}
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(bug);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}