jlaskey@3: /*
jlaskey@7:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
jlaskey@3:  * This code is free software; you can redistribute it and/or modify it
jlaskey@3:  * under the terms of the GNU General Public License version 2 only, as
jlaskey@3:  * published by the Free Software Foundation.
attila@962:  *
jlaskey@3:  * This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jlaskey@3:  * version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3:  * accompanied this code).
attila@962:  *
jlaskey@3:  * You should have received a copy of the GNU General Public License version
jlaskey@3:  * 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
jlaskey@3:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jlaskey@3:  * or visit www.oracle.com if you need additional information or have any
jlaskey@3:  * questions.
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: /**
jlaskey@3:  * Basic checks for Object.seal and Object.freeze.
jlaskey@3:  *
jlaskey@3:  * @test
jlaskey@3:  * @run
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: var obj = { num: Math.E };
jlaskey@3: 
jlaskey@3: print("sealed? " + Object.isSealed(obj));
jlaskey@3: print("frozen? " + Object.isFrozen(obj));
jlaskey@3: 
jlaskey@3: Object.seal(obj);
jlaskey@3: print("sealed? " + Object.isSealed(obj));
jlaskey@3: 
jlaskey@3: // delete should fail - because we have sealed
jlaskey@3: print("deleted num? " + (delete obj.num));
jlaskey@3: print("num = " + obj.num);
jlaskey@3: 
jlaskey@3: // assignment should succeed
jlaskey@3: print("assign PI to num");
jlaskey@3: obj.num = Math.PI;
jlaskey@3: print("num = " + obj.num);
jlaskey@3: 
jlaskey@3: // assignment should fail -- because we freeze
jlaskey@3: Object.freeze(obj);
jlaskey@3: print("frozen? " + Object.isFrozen(obj));
jlaskey@3: 
jlaskey@3: print("assign 1729 to num");
jlaskey@3: obj.num = 1729;
jlaskey@3: print("num = " + obj.num);
jlaskey@3: