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// 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: Invocation of `Symbol.toPrimitive` method
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] )
1. If PreferredType was not passed, let hint be "default".
[...]
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»).
[...]
features: [Symbol.toPrimitive]
---*/
var y = {};
var callCount = 0;
var thisVal, args;
y[Symbol.toPrimitive] = function() {
callCount += 1;
thisVal = this;
args = arguments;
};
new Date(y);
assert.sameValue(callCount, 1, 'method invoked exactly once');
assert.sameValue(thisVal, y, '`this` value is the object being compared');
assert.sameValue(args.length, 1, 'method invoked with exactly one argument');
assert.sameValue(
args[0],
'default',
'method invoked with the string "default" as the first argument'
);
reportCompare(0, 0);
|
