// 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 es6id: 20.3.2.2 description: > Behavior when coercion via `Symbol.toPrimitive` yields an Object info: | [...] 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then [...] b. Else, i. Let v be ? ToPrimitive(value). ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] ) [...] 4. Let exoticToPrim be GetMethod(input, @@toPrimitive). 5. ReturnIfAbrupt(exoticToPrim). 6. If exoticToPrim is not undefined, then a. Let result be Call(exoticToPrim, input, «hint»). b. ReturnIfAbrupt(result). c. If Type(result) is not Object, return result. d. Throw a TypeError exception. features: [Symbol.toPrimitive] ---*/ var y = {}; var retVal; y[Symbol.toPrimitive] = function() { return retVal; }; retVal = {}; assert.throws(TypeError, function() { new Date(y); }, 'ordinary object'); retVal = (function() { return arguments; }()); assert.throws(TypeError, function() { new Date(y); }, 'arguments exotic object');