diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Date/subclassing.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Date/subclassing.js | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/subclassing.js b/js/src/tests/test262/built-ins/Date/subclassing.js new file mode 100644 index 0000000000..b7f2b7134f --- /dev/null +++ b/js/src/tests/test262/built-ins/Date/subclassing.js @@ -0,0 +1,56 @@ +// 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-date-value +description: Error retrieving `Symbol.toPrimitive` method from object value +info: | + 3. If NewTarget is not undefined, then + [...] + c. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", + « [[DateValue]] »). + [...] + + OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , + internalSlotsList ] ) + + [...] + 2. Let proto be ? GetPrototypeFromConstructor(constructor, + intrinsicDefaultProto). + 3. Return ObjectCreate(proto, internalSlotsList). +features: [Reflect] +---*/ + +var callCount = 0; +var Ctor = function() { + callCount += 1; +}; +var instance; + +instance = Reflect.construct(Date, [64], Ctor); + +assert.sameValue( + Object.getPrototypeOf(instance), + Ctor.prototype, + 'constructor defines an object `prototype` property' +); +assert.sameValue(callCount, 0, 'constructor not invoked'); +assert.sameValue( + Date.prototype.getTime.call(instance), + 64, + 'proper subclass has a [[DateValue]] slot' +); + +Ctor.prototype = null; +instance = Reflect.construct(Date, [64], Ctor); + +assert.sameValue( + Object.getPrototypeOf(instance), + Date.prototype, + 'constructor does not defines an object `prototype` property' +); +assert.sameValue(callCount, 0, 'constructor not invoked'); +assert.sameValue( + instance.getTime(), 64, 'direct instance has a [[DateValue]] slot' +); + +reportCompare(0, 0); |