Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | var realms = [Realm.current(), Realm.create()]; |
| 29 | globals = [Realm.global(0), Realm.global(1)]; |
| 30 | Realm.shared = {} |
| 31 | |
| 32 | function install(name, value) { |
| 33 | Realm.shared[name] = value; |
| 34 | for (i in realms) { |
| 35 | Realm.eval(realms[i], name + " = Realm.shared['" + name + "'];"); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | install('return_this', function() { return this; }); |
| 40 | install('return_this_strict', function () { 'use strict'; return this; }); |
| 41 | |
| 42 | // test behaviour of 'with' scope |
| 43 | for (i in realms) { |
| 44 | Realm.shared.results = []; |
| 45 | // in the second case, 'this' is found in the with scope, |
| 46 | // so the receiver is 'this' |
| 47 | Realm.eval(realms[i]," \ |
| 48 | with('irrelevant') { \ |
| 49 | Realm.shared.results.push(return_this()); \ |
| 50 | Realm.shared.results.push(return_this_strict()); \ |
| 51 | } \ |
| 52 | with(this) { \ |
| 53 | Realm.shared.results.push(return_this()); \ |
| 54 | Realm.shared.results.push(return_this_strict()); \ |
| 55 | } \ |
| 56 | "); |
| 57 | assertSame(globals[0], Realm.shared.results[0]); |
| 58 | assertSame(undefined, Realm.shared.results[1]); |
| 59 | assertSame(globals[i], Realm.shared.results[2]); |
| 60 | assertSame(globals[i], Realm.shared.results[3]); |
| 61 | } |
| 62 | |
| 63 | // test 'apply' and 'call' |
| 64 | for (i in realms) { |
| 65 | // 'apply' without a receiver is a contextual call |
| 66 | assertSame(globals[0], Realm.eval(realms[i],'return_this.apply()')) ; |
| 67 | assertSame(undefined, Realm.eval(realms[i],'return_this_strict.apply()')); |
| 68 | assertSame(globals[0], Realm.eval(realms[i],'return_this.apply(null)')) ; |
| 69 | assertSame(null, Realm.eval(realms[i],'return_this_strict.apply(null)')); |
| 70 | // 'call' without a receiver is a contextual call |
| 71 | assertSame(globals[0], Realm.eval(realms[i],'return_this.call()')) ; |
| 72 | assertSame(undefined, Realm.eval(realms[i],'return_this_strict.call()')); |
| 73 | assertSame(globals[0], Realm.eval(realms[i],'return_this.call(null)')) ; |
| 74 | assertSame(null, Realm.eval(realms[i],'return_this_strict.call(null)')); |
| 75 | } |
| 76 | |
| 77 | // test ics |
| 78 | for (var i = 0; i < 4; i++) { |
| 79 | assertSame(globals[0], return_this()); |
| 80 | assertSame(undefined, return_this_strict()); |
| 81 | } |
| 82 | |
| 83 | // BUG(1547) |
| 84 | |
| 85 | Realm.eval(realms[0], "var name = 'o'"); |
| 86 | Realm.eval(realms[1], "var name = 'i'"); |
| 87 | |
| 88 | install('f', function() { return this.name; }); |
| 89 | install('g', function() { "use strict"; return this ? this.name : "u"; }); |
| 90 | |
| 91 | for (i in realms) { |
| 92 | result = Realm.eval(realms[i], " \ |
| 93 | (function(){return f();})() + \ |
| 94 | (function(){return (1,f)();})() + \ |
| 95 | (function(){'use strict'; return f();})() + \ |
| 96 | (function(){'use strict'; return (1,f)();})() + \ |
| 97 | (function(){return g();})() + \ |
| 98 | (function(){return (1,g)();})() + \ |
| 99 | (function(){'use strict'; return g();})() + \ |
| 100 | (function(){'use strict'; return (1,g)();})(); \ |
| 101 | "); |
| 102 | assertSame("oooouuuu", result); |
| 103 | } |