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Diffstat (limited to 'test/built-ins/TypedArrays/internals/HasProperty/abrupt-from-ordinary-has-parent-hasproperty.js')
-rw-r--r-- | test/built-ins/TypedArrays/internals/HasProperty/abrupt-from-ordinary-has-parent-hasproperty.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/internals/HasProperty/abrupt-from-ordinary-has-parent-hasproperty.js b/test/built-ins/TypedArrays/internals/HasProperty/abrupt-from-ordinary-has-parent-hasproperty.js new file mode 100644 index 000000000..ca1bcb436 --- /dev/null +++ b/test/built-ins/TypedArrays/internals/HasProperty/abrupt-from-ordinary-has-parent-hasproperty.js @@ -0,0 +1,63 @@ +// 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-integer-indexed-exotic-objects-hasproperty-p +description: Return abrupt from OrdinaryHasProperty parent's [[HasProperty]] +info: > + 9.4.5.2 [[HasProperty]](P) + + ... + 3. If Type(P) is String, then + a. Let numericIndex be ! CanonicalNumericIndexString(P). + b. If numericIndex is not undefined, then + i. Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot. + ii. If IsDetachedBuffer(buffer) is true, throw a TypeError exception. + ... + + 9.1.7.1 OrdinaryHasProperty (O, P) + + ... + 2. Let hasOwn be ? O.[[GetOwnProperty]](P). + 3. If hasOwn is not undefined, return true. + 4. Let parent be ? O.[[GetPrototypeOf]](). + 5. If parent is not null, then + a. Return ? parent.[[HasProperty]](P). + 6. Return false. +features: [Reflect, Proxy] +includes: [testTypedArray.js, detachArrayBuffer.js] +---*/ + +var handler = { + has: function() { + throw new Test262Error(); + } +}; + +var proxy = new Proxy(TypedArray.prototype, handler); + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(1); + + Object.setPrototypeOf(sample, proxy); + + assert.sameValue( + Reflect.has(sample, 0), true, + "OrdinaryHasProperty does not affect numericIndex properties [0]" + ); + assert.sameValue( + Reflect.has(sample, 1), false, + "OrdinaryHasProperty does not affect numericIndex properties [1]" + ); + + assert.throws(Test262Error, function() { + Reflect.has(sample, "foo"); + }, "Return abrupt from parent's [[HasProperty]] 'foo'"); + + Object.defineProperty(sample, "foo", { value: 42 }); + + assert.sameValue( + Reflect.has(sample, "foo"), + true, + "trap is not triggered if [[GetOwnProperty]] returns a defined value" + ); +}); |