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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.prototype.sethours
description: Type coercion of provided "ms"
info: |
1. Let t be LocalTime(? thisTimeValue(this value)).
2. Let h be ? ToNumber(hour).
3. If min is not specified, let m be MinFromTime(t); otherwise, let m be ?
ToNumber(min).
4. If sec is not specified, let s be SecFromTime(t); otherwise, let s be ?
ToNumber(sec).
5. If ms is not specified, let milli be msFromTime(t); otherwise, let milli
be ? ToNumber(ms).
6. Let date be MakeDate(Day(t), MakeTime(h, m, s, milli)).
7. Let u be TimeClip(UTC(date)).
8. Set the [[DateValue]] internal slot of this Date object to u.
9. Return u.
---*/
var date = new Date(2016, 6);
var callCount = 0;
var arg = {
valueOf: function() {
args = arguments;
thisValue = this;
callCount += 1;
return 2;
}
};
var args, thisValue, returnValue;
returnValue = date.setHours(0, 0, 0, arg);
assert.sameValue(callCount, 1, 'invoked exactly once');
assert.sameValue(args.length, 0, 'invoked without arguments');
assert.sameValue(thisValue, arg, '"this" value');
assert.sameValue(
returnValue,
new Date(2016, 6, 1, 0, 0, 0, 2).getTime(),
'application of specified value'
);
returnValue = date.setHours(0, 0, 0, null);
assert.sameValue(returnValue, new Date(2016, 6, 1).getTime(), 'null');
returnValue = date.setHours(0, 0, 0, true);
assert.sameValue(
returnValue, new Date(2016, 6, 1, 0, 0, 0, 1).getTime(), 'true'
);
returnValue = date.setHours(0, 0, 0, false);
assert.sameValue(returnValue, new Date(2016, 6, 1).getTime(), 'false');
returnValue = date.setHours(0, 0, 0, ' +00200.000E-0002 ');
assert.sameValue(
returnValue, new Date(2016, 6, 1, 0, 0, 0, 2).getTime(), 'string'
);
returnValue = date.setHours();
assert.sameValue(returnValue, NaN, 'undefined');
reportCompare(0, 0);
|
