diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/create-revoked-proxy.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/create-revoked-proxy.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/create-revoked-proxy.js b/js/src/tests/test262/built-ins/Array/prototype/concat/create-revoked-proxy.js new file mode 100644 index 0000000000..bac42fd509 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/create-revoked-proxy.js @@ -0,0 +1,40 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.concat +description: Abrupt completion from constructor that is a revoked Proxy object +info: | + 1. Let O be ? ToObject(this value). + 2. Let A be ? ArraySpeciesCreate(O, 0). + + 9.4.2.3 ArraySpeciesCreate + + [...] + 3. Let isArray be ? IsArray(originalArray). + + 7.2.2 IsArray + + [...] + 3. If argument is a Proxy exotic object, then + a. If the value of the [[ProxyHandler]] internal slot of argument is + null, throw a TypeError exception. +features: [Proxy] +---*/ + +var o = Proxy.revocable([], {}); +var callCount = 0; + +Object.defineProperty(o.proxy, 'constructor', { + get: function() { + callCount += 1; + } +}); +o.revoke(); + +assert.throws(TypeError, function() { + Array.prototype.concat.call(o.proxy); +}, 'Array.prototype.concat.call(o.proxy) throws a TypeError exception'); + +assert.sameValue(callCount, 0, 'The value of callCount is expected to be 0'); + +reportCompare(0, 0); |