| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 9.5.7 |
| description: > |
| A `in` check trigger trap.call(handler, target, P); |
| info: | |
| [[HasProperty]] (P) |
| |
| ... |
| 9. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, P»)). |
| ... |
| ---*/ |
| |
| var _handler, _target, _prop; |
| var target = {}; |
| var handler = { |
| has: function(t, prop) { |
| _handler = this; |
| _target = t; |
| _prop = prop; |
| |
| return prop in t; |
| } |
| }; |
| var p = new Proxy(target, handler); |
| |
| "attr" in p; |
| |
| assert.sameValue(_handler, handler, "handler is context"); |
| assert.sameValue(_target, target, "target is the first parameter"); |
| assert.sameValue(_prop, "attr", "given prop is the second paramter"); |