1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/script/basic/funcbind3.js Wed Apr 27 01:36:41 2016 +0800 1.3 @@ -0,0 +1,59 @@ 1.4 +/* 1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +/** 1.28 + * Test the assumptions about bound function prototypes 1.29 + * 1.30 + * @test 1.31 + * @run 1.32 + */ 1.33 + 1.34 +function printAssumption(__x__) { 1.35 + print(__x__ + ": " + eval(__x__)); 1.36 +} 1.37 + 1.38 +function f() { } 1.39 + 1.40 +var b = f.bind(null) 1.41 + 1.42 +var x = new f() 1.43 +var y = new b() 1.44 + 1.45 +printAssumption("x instanceof f") 1.46 +printAssumption("x instanceof b") 1.47 +printAssumption("y instanceof f") 1.48 +printAssumption("y instanceof b") 1.49 + 1.50 +print("\nChanging prototype\n"); 1.51 + 1.52 +f.prototype=new Object() 1.53 + 1.54 +printAssumption("x instanceof f") 1.55 +printAssumption("x instanceof b") 1.56 +printAssumption("y instanceof f") 1.57 +printAssumption("y instanceof b") 1.58 + 1.59 +print("\Bound function prototype\n"); 1.60 + 1.61 +printAssumption("f.hasOwnProperty('prototype')") 1.62 +printAssumption("b.hasOwnProperty('prototype')")