| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * JDK-8057678: Tests for let&const keywords in Nashorn |
| * |
| * @test |
| * @run |
| * @option --language=es6 |
| * @option -scripting |
| */ |
| |
| function tryIt(code) { |
| try { |
| eval(code) |
| } catch (e) { |
| print(e) |
| } |
| } |
| |
| |
| tryIt(<<CODE |
| function a () { |
| this.val = 41 |
| let self = this |
| this.b = function () { |
| return self.val; |
| } |
| } |
| c = new a() |
| print(c.b.call(null)) |
| CODE) |
| |
| |
| tryIt(<<CODE |
| function a () { |
| this.val = 42 |
| let self = this |
| this.b = function () { |
| return this.val; |
| }.bind(self) |
| } |
| c = new a() |
| print(c.b.call(null)) |
| CODE) |
| |
| tryIt(<<CODE |
| function a () { |
| this.val = 43 |
| const self = this |
| this.b = function () { |
| return self.val; |
| } |
| } |
| c = new a() |
| print(c.b.call(null)) |
| CODE) |
| |
| tryIt(<<CODE |
| function a () { |
| this.val = 44 |
| const self = this |
| this.b = function () { |
| return this.val; |
| }.bind(self) |
| } |
| c = new a() |
| print(c.b.call(null)) |
| CODE) |
| |
| tryIt(<<CODE |
| let a = {name : 'test'} |
| let f = function () { |
| print(this.name) |
| } |
| let nf = f.bind(a) |
| nf() |
| if (true) { |
| let a = null |
| nf() |
| } |
| nf() |
| CODE) |
| |
| |
| tryIt(<<CODE |
| let arr = [] |
| for (let i = 0; i < 3; i++) { |
| arr[i] = function(){return i;} |
| } |
| for (let i in arr) { |
| print(arr[i]()) |
| } |
| arr = [] |
| for (var i = 0; i < 3; i++) { |
| (function(i){ |
| arr[i] = function(){return i;} |
| })(i) |
| } |
| for (let i in arr) { |
| print(arr[i]()) |
| } |
| CODE) |