1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/script/basic/JDK-8051778.js Thu Nov 27 13:04:46 2014 +0100
1.3 @@ -0,0 +1,83 @@
1.4 +/*
1.5 + * Copyright (c) 2014 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 + * JDK-8051778: support bind on all Nashorn callables
1.29 + *
1.30 + * @test
1.31 + * @run
1.32 + */
1.33 +
1.34 +var bind = Function.prototype.bind;
1.35 +
1.36 +// Bind a POJO method
1.37 +var l = new java.util.ArrayList();
1.38 +var l_add_foo = bind.call(l.add, l, "foo");
1.39 +l_add_foo();
1.40 +print("l=" + l);
1.41 +
1.42 +// Bind a BoundCallable
1.43 +var l_add = bind.call(l.add, l);
1.44 +var l_add_foo2 = bind.call(l_add, null, "foo2");
1.45 +l_add_foo2();
1.46 +print("l=" + l);
1.47 +
1.48 +// Bind a POJO method retrieved from one instance to a different but
1.49 +// compatible instance.
1.50 +var l2 = new java.util.ArrayList();
1.51 +var l2_size = bind.call(l.size, l2);
1.52 +print("l2_size()=" + l2_size());
1.53 +
1.54 +// Bind a Java type object (used as a constructor).
1.55 +var construct_two = bind.call(java.lang.Integer, null, 2);
1.56 +print("Bound Integer(2) constructor: " + new construct_two())
1.57 +
1.58 +// Bind a @FunctionalInterface proxying to an object literal. NOTE: the
1.59 +// expected value of this.a is always "original" and never "bound". This
1.60 +// might seem counterintuitive, but we are not binding the apply()
1.61 +// function of the object literal that defines the BiFunction behaviour,
1.62 +// we are binding the SAM proxy object instead, and it is always
1.63 +// forwarding to the apply() function with "this" set to the object
1.64 +// literal. Basically, binding "this" for SAM proxies is useless; only
1.65 +// binding arguments makes sense.
1.66 +var f1 = new java.util.function.BiFunction() {
1.67 + apply: function(x, y) {
1.68 + return "BiFunction with literal: " + this.a + ", " + x + ", " + y;
1.69 + },
1.70 + a: "unbound"
1.71 +};
1.72 +print((bind.call(f1, {a: "bound"}))(1, 2))
1.73 +print((bind.call(f1, {a: "bound"}, 3))(4))
1.74 +print((bind.call(f1, {a: "bound"}, 5, 6))())
1.75 +
1.76 +// Bind a @FunctionalInterface proxying to a function. With the same
1.77 +// reasoning as above (binding the proxy vs. binding the JS function),
1.78 +// the value of this.a will always be undefined, and never "bound".
1.79 +var f2 = new java.util.function.BiFunction(
1.80 + function(x, y) {
1.81 + return "BiFunction with function: " + this.a + ", " + x + ", " + y;
1.82 + }
1.83 +);
1.84 +print((bind.call(f2, {a: "bound"}))(7, 8))
1.85 +print((bind.call(f2, {a: "bound"}, 9))(10))
1.86 +print((bind.call(f2, {a: "bound"}, 11, 12))())
