1 files changed, 148 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/tests/mozilla/ecma_3/Function/arguments-001.js b/Source/JavaScriptCore/tests/mozilla/ecma_3/Function/arguments-001.js
new file mode 100644
index 0000000..98aca18
--- /dev/null
+++ b/Source/JavaScriptCore/tests/mozilla/ecma_3/Function/arguments-001.js
@@ -0,0 +1,148 @@
+/*
+* 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 mozilla.org code.
+*
+* The Initial Developer of the Original Code is Netscape
+* Communications Corporation.  Portions created by Netscape are
+* Copyright (C) 1998 Netscape Communications Corporation. All
+* Rights Reserved.
+*
+* Contributor(s): brendan@mozilla.org, pschwartau@netscape.com
+* Date: 07 May 2001
+*
+* SUMMARY:  Testing the arguments object
+*
+* See http://bugzilla.mozilla.org/show_bug.cgi?id=72884
+*/
+//-------------------------------------------------------------------------------------------------
+var UBound = 0;
+var bug = 72884;
+var summary = 'Testing the arguments object';
+var status = '';
+var statusitems = [ ];
+var actual = '';
+var actualvalues = [ ];
+var expect= '';
+var expectedvalues = [ ];
+var a = '';
+
+
+status = inSection(1);
+function f()
+{
+  delete arguments.length;
+  return arguments;
+}
+
+a = f();
+actual = a instanceof Object;
+expect = true;
+addThis();
+
+actual = a instanceof Array;
+expect = false;
+addThis();
+
+actual = a.length;
+expect = undefined;
+addThis();
+
+
+
+status = inSection(2);
+a = f(1,2,3);
+actual = a instanceof Object;
+expect = true;
+addThis();
+
+actual = a instanceof Array;
+expect = false;
+addThis();
+
+actual = a.length;
+expect = undefined;
+addThis();
+
+actual = a[0];
+expect = 1;
+addThis();
+
+actual = a[1];
+expect = 2;
+addThis();
+
+actual = a[2];
+expect = 3;
+addThis();
+
+
+
+status = inSection(3);
+/*
+ * Brendan:
+ *
+ * Note that only callee and length can be overridden, so deleting an indexed
+ * property and asking for it again causes it to be recreated by args_resolve:
+ *
+ * function g(){delete arguments[0]; return arguments[0]}
+ * g(42)     // should this print 42?
+ *
+ * I'm not positive this violates ECMA, which allows in chapter 16 for extensions
+ * including properties (does it allow for magically reappearing properties?).  The
+ * delete operator successfully deletes arguments[0] and results in true, but that
+ * is not distinguishable from the case where arguments[0] was delegated to
+ * Arguments.prototype[0], which was how the bad old code worked.
+ *
+ * I'll ponder this last detail...
+ *
+ * UPDATE: Per ECMA-262, delete on an arguments[i] should succeed
+ * and remove that property from the arguments object, leaving any get
+ * of it after the delete to evaluate to undefined.
+ */
+function g()
+{
+  delete arguments[0];
+  return arguments[0];
+}
+actual = g(42);
+expect = undefined;  // not 42...
+addThis();
+
+
+
+//-------------------------------------------------------------------------------------------------
+test();
+//-------------------------------------------------------------------------------------------------
+
+
+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');
+}