test262/implementation-contributed/v8/mjsunit/regress/regress-crbug-752712.js

25 lines
594 B
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
// Proxy get trap doesn't fail when the value returned by it
// is a number.
var number = 1;
(function testFailingInvariant() {
var obj = {};
var handler = {
get: function() {}
};
var proxy = new Proxy(obj, handler);
Object.defineProperty(handler, 'get', {
get: function() {
return number;
}
});
assertThrows(function(){ proxy.property; }, TypeError);
})();