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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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118 ownKeys: function() { return this.enumerate() }, | 118 ownKeys: function() { return this.enumerate() }, |
119 enumerate: function() { throw "myexn" } | 119 enumerate: function() { throw "myexn" } |
120 }) | 120 }) |
121 | 121 |
122 TestForInThrow(new Proxy({}, { | 122 TestForInThrow(new Proxy({}, { |
123 get: function(pr, pk) { | 123 get: function(pr, pk) { |
124 return function() { throw "myexn" } | 124 return function() { throw "myexn" } |
125 } | 125 } |
126 })); | 126 })); |
127 | 127 |
128 (function() { | 128 |
129 var p = new Proxy({}, {ownKeys:function() { return ["0"]; }}); | 129 function keys(object) { |
130 var keys = []; | |
131 for (var k in object) { | |
132 keys.push(k); | |
133 } | |
134 return keys; | |
135 } | |
136 | |
137 (function testKeysProxyOnProto() { | |
138 var p = new Proxy({}, {ownKeys() { return ["0"]; }}); | |
130 var o = [0]; | 139 var o = [0]; |
131 o.__proto__ = p; | 140 o.__proto__ = p; |
132 var keys = []; | 141 assertEquals(["0"], keys(o)); |
neis
2016/03/01 13:40:31
Also do this test when o is empty, for instance.
Camillo Bruni
2016/03/01 19:04:57
done.
| |
133 for (var k in o) { keys.push(k); }; | |
134 assertEquals(["0"], keys); | |
135 })(); | 142 })(); |
136 | 143 |
144 (function testKeysProxyProto() { | |
145 var target = {t1:true, t2:true}; | |
146 var handler = {} | |
147 var proxy = new Proxy(target, handler); | |
148 | |
149 assertEquals(["t1", "t2"], keys(proxy)); | |
150 | |
151 target.__proto__ = {p1:true, p2:true}; | |
152 assertEquals(["t1", "t2", "p1", "p2"], keys(proxy)); | |
153 | |
154 handler.getPrototypeOf = function(target) { | |
155 return {p3:true, p4:true}; | |
156 }; | |
157 assertEquals(["t1", "t2"], keys(proxy)); | |
158 handler.has = function() { return true }; | |
159 assertEquals(["t1", "t2", "p3", "p4"], keys(proxy)); | |
160 | |
161 handler.getPrototypeOf = function() { throw "error" }; | |
162 assertThrowsEquals(()=>{ keys(proxy) }, "error"); | |
163 })(); | |
164 | |
165 | |
137 (function () { | 166 (function () { |
138 var p = new Proxy({}, {ownKeys: function() { return ["1", Symbol(), "2"] }}); | 167 var p = new Proxy({}, {ownKeys() { return ["1", Symbol(), "2"] }}); |
139 assertEquals(["1","2"], Object.getOwnPropertyNames(p)); | 168 assertEquals(["1","2"], Object.getOwnPropertyNames(p)); |
neis
2016/03/01 13:40:31
Also call getOwnPropertySymbols here.
Camillo Bruni
2016/03/01 19:04:57
done.
| |
140 })(); | 169 })(); |
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