Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax |
| 6 | |
| 7 | |
| 8 | (function TestHomeObject() { |
| 9 | var object = { |
| 10 | method() { |
| 11 | return super.method(); |
| 12 | }, |
| 13 | get getter() { |
| 14 | return super.getter; |
| 15 | }, |
| 16 | set setter(v) { |
| 17 | super.setter = v; |
| 18 | }, |
| 19 | get accessor() { |
| 20 | return super.accessor; |
| 21 | }, |
| 22 | set accessor(v) { |
| 23 | super.accessor = v; |
| 24 | }, |
| 25 | |
| 26 | methodNoSuper() {}, |
| 27 | get getterNoSuper() {}, |
| 28 | set setterNoSuper(v) {}, |
| 29 | get accessorNoSuper() {}, |
| 30 | set accessorNoSuper(v) {}, |
| 31 | propertyNoSuper: function() {}, |
| 32 | propertyWithParenNoSuper: (function() {}), |
| 33 | propertyWithParensNoSuper: ((function() {})) |
| 34 | }; |
| 35 | |
| 36 | assertEquals(object, object.method[%HomeObjectSymbol()]); |
| 37 | var desc = Object.getOwnPropertyDescriptor(object, 'getter'); |
| 38 | assertEquals(object, desc.get[%HomeObjectSymbol()]); |
| 39 | desc = Object.getOwnPropertyDescriptor(object, 'setter'); |
| 40 | assertEquals(object, desc.set[%HomeObjectSymbol()]); |
| 41 | desc = Object.getOwnPropertyDescriptor(object, 'accessor'); |
| 42 | assertEquals(object, desc.get[%HomeObjectSymbol()]); |
| 43 | assertEquals(object, desc.set[%HomeObjectSymbol()]); |
| 44 | |
| 45 | assertEquals(undefined, object.methodNoSuper[%HomeObjectSymbol()]); |
| 46 | desc = Object.getOwnPropertyDescriptor(object, 'getterNoSuper'); |
| 47 | assertEquals(undefined, desc.get[%HomeObjectSymbol()]); |
| 48 | desc = Object.getOwnPropertyDescriptor(object, 'setterNoSuper'); |
| 49 | assertEquals(undefined, desc.set[%HomeObjectSymbol()]); |
| 50 | desc = Object.getOwnPropertyDescriptor(object, 'accessorNoSuper'); |
| 51 | assertEquals(undefined, desc.get[%HomeObjectSymbol()]); |
| 52 | assertEquals(undefined, desc.set[%HomeObjectSymbol()]); |
| 53 | assertEquals(undefined, object.propertyNoSuper[%HomeObjectSymbol()]); |
| 54 | assertEquals(undefined, object.propertyWithParenNoSuper[%HomeObjectSymbol()]); |
| 55 | assertEquals(undefined, |
| 56 | object.propertyWithParensNoSuper[%HomeObjectSymbol()]); |
| 57 | })(); |
| 58 | |
| 59 | |
| 60 | (function TestMethod() { |
| 61 | var object = { |
| 62 | __proto__: { |
| 63 | method(x) { |
| 64 | return 'proto' + x; |
| 65 | } |
| 66 | }, |
| 67 | method(x) { |
| 68 | return super.method(x); |
| 69 | } |
| 70 | }; |
| 71 | assertEquals('proto42', object.method(42)); |
| 72 | })(); |
| 73 | |
| 74 | |
| 75 | (function TestGetter() { |
| 76 | var object = { |
| 77 | __proto__: { |
| 78 | _x: 42, |
| 79 | get x() { |
| 80 | return 'proto' + this._x; |
| 81 | } |
| 82 | }, |
| 83 | get x() { |
| 84 | return super.x; |
| 85 | } |
| 86 | }; |
| 87 | assertEquals('proto42', object.x); |
| 88 | })(); |
| 89 | |
| 90 | |
| 91 | (function TestSetter() { |
| 92 | var object = { |
| 93 | __proto__: { |
| 94 | _x: 0, |
| 95 | set x(v) { |
| 96 | return this._x = v; |
| 97 | } |
| 98 | }, |
| 99 | set x(v) { |
| 100 | super.x = v; |
| 101 | } |
| 102 | }; |
| 103 | assertEquals(1, object.x = 1); |
| 104 | assertEquals(1, object._x); |
| 105 | assertEquals(0, Object.getPrototypeOf(object)._x); |
| 106 | })(); |
| 107 | |
| 108 | |
| 109 | (function TestOptimized() { |
| 110 | // Object literals without any accessors get optimized. |
| 111 | var object = { |
| 112 | method() { |
| 113 | return super.toString; |
| 114 | } |
| 115 | }; |
| 116 | assertEquals(Object.prototype.toString, object.method()); |
| 117 | })(); |
| 118 | |
| 119 | |
| 120 | (function TestConciseGenerator() { |
| 121 | var o = { |
| 122 | __proto__: { |
| 123 | m() { |
| 124 | return 42; |
| 125 | } |
| 126 | }, |
| 127 | *g() { |
| 128 | yield super.m(); |
| 129 | }, |
| 130 | }; |
| 131 | |
| 132 | assertEquals(42, o.g().next().value); |
| 133 | })(); |
| 134 | |
| 135 | |
| 136 | (function TestSuperPropertyInEval() { |
| 137 | var y = 3; |
| 138 | var p = { |
| 139 | m() { return 1; }, |
| 140 | get x() { return 2; } |
| 141 | }; |
| 142 | var o = { |
| 143 | __proto__: p, |
| 144 | evalM() { |
| 145 | assertEquals(1, eval('super.m()')); |
| 146 | }, |
| 147 | evalX() { |
| 148 | assertEquals(2, eval('super.x')); |
| 149 | }, |
| 150 | globalEval1() { |
| 151 | assertThrows('super.x', SyntaxError); |
| 152 | assertThrows('super.m()', SyntaxError); |
| 153 | }, |
| 154 | globalEval2() { |
| 155 | super.x; |
| 156 | assertThrows('super.x', SyntaxError); |
| 157 | assertThrows('super.m()', SyntaxError); |
| 158 | } |
| 159 | }; |
| 160 | o.evalM(); |
| 161 | o.evalX(); |
| 162 | o.globalEval1(); |
| 163 | o.globalEval2(); |
| 164 | })(); |
| 165 | |
| 166 | |
| 167 | (function TestSuperPropertyInArrow() { |
| 168 | var y = 3; |
| 169 | var p = { |
| 170 | m() { return 1; }, |
| 171 | get x() { return 2; } |
| 172 | }; |
| 173 | var o = { |
| 174 | __proto__: p, |
| 175 | arrow() { |
| 176 | assertSame(super.x, (() => super.x)()); |
| 177 | assertSame(super.m(), (() => super.m())()); |
| 178 | return (() => super.m())(); |
| 179 | } |
| 180 | }; |
| 181 | assertSame(1, o.arrow()); |
| 182 | })(); |