JavaScript Tests - regression tests for bug 360681, by Igor Bukanov
authorbclary@bclary.com
Sun, 06 May 2007 01:06:47 -0700
changeset 1140 e966d3d524b3abae068adf335e42d19f45abb7dd
parent 1139 d164d5a13974e8ba6b6752ff9c8768a7608137f5
child 1141 d67986f097c883cee37fd6728de7d9f576156ba0
push idunknown
push userunknown
push dateunknown
bugs360681
milestone1.9a5pre
JavaScript Tests - regression tests for bug 360681, by Igor Bukanov
js/tests/js1_5/Array/regress-360681-01.js
js/tests/js1_5/Array/regress-360681-02.js
new file mode 100755
--- /dev/null
+++ b/js/tests/js1_5/Array/regress-360681-01.js
@@ -0,0 +1,64 @@
+/* -*- 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 JavaScript Engine testing utilities.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2006
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Igor Bukanov
+ *
+ * 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 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 ***** */
+//-----------------------------------------------------------------------------
+var bug = 360681;
+var summary = 'Regression from bug 224128';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber (bug);
+  printStatus (summary);
+  
+  expect = actual = 'No Crash';
+
+  var a = Array(3);
+  a[0] = 1;
+  a[1] = 2;
+  a.sort(function () { gc(); return 1; });
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
new file mode 100755
--- /dev/null
+++ b/js/tests/js1_5/Array/regress-360681-02.js
@@ -0,0 +1,89 @@
+/* -*- 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 JavaScript Engine testing utilities.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2006
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Igor Bukanov
+ *
+ * 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 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 ***** */
+//-----------------------------------------------------------------------------
+var bug = 360681;
+var summary = 'Regression from bug 224128';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber (bug);
+  printStatus (summary);
+  
+  expect = actual = 'No Crash';
+
+  var N = 1000;
+
+// Make an array with a hole at the end
+  var a = Array(N);
+  for (i = 0; i < N - 1; ++i)
+    a[i] = 1;
+
+// array_sort due for array with N elements with allocates a temporary vector
+// with 2*N. Lets create strings that on 32 and 64 bit CPU cause allocation
+// of the same amount of memory + 1 word for their char arrays. After we GC
+// strings with a reasonable malloc implementation that memory will be most
+// likely reused in array_sort for the temporary vector. Then the bug causes
+// accessing the one-beyond-the-aloocation word and re-interpretation of
+// 0xFFF0FFF0 as GC thing. 
+
+  var str1 = Array(2*(2*N + 1) + 1).join(String.fromCharCode(0xFFF0));
+  var str2 = Array(4*(2*N + 1) + 1).join(String.fromCharCode(0xFFF0));
+  gc();
+  str1 = str2 = null;
+  gc();
+
+  var firstCall = true;
+  a.sort(function (a, b) { 
+    if (firstCall) {
+      firstCall = false;
+      gc();
+    }
+    return a - b;
+  });
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}