mirror of https://github.com/tc39/test262.git
47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-date-value
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es6id: 20.3.2.2
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description: Exotic `Symbol.toPrimitive` method returns a non-primitive
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info: |
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3. If NewTarget is not undefined, then
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a. If Type(value) is Object and value has a [[DateValue]] internal slot, then
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i. Let tv be thisTimeValue(value).
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b. Else,
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i. Let v be ? ToPrimitive(value).
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ToPrimitive ( input [ , PreferredType ] )
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1. If PreferredType was not passed, let hint be "default".
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2. Else if PreferredType is hint String, let hint be "string".
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3. Else PreferredType is hint Number, let hint be "number".
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4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
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5. If exoticToPrim is not undefined, then
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a. Let result be ? Call(exoticToPrim, input, « hint »).
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b. If Type(result) is not Object, return result.
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c. Throw a TypeError exception.
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features: [Symbol.toPrimitive]
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---*/
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var faultyToPrimitive = {};
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var returnValue;
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faultyToPrimitive[Symbol.toPrimitive] = function() {
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return returnValue;
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};
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returnValue = {};
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assert.throws(TypeError, function() {
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new Date(faultyToPrimitive);
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}, 'ordinary object');
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returnValue = [];
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assert.throws(TypeError, function() {
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new Date(faultyToPrimitive);
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}, 'Array exotic object');
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returnValue = (function() { return arguments; }());
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assert.throws(TypeError, function() {
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new Date(faultyToPrimitive);
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}, 'arguments exotic object');
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