| // 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.getmonth |
| description: Return value for valid dates |
| info: | |
| 1. Let t be ? thisTimeValue(this value). |
| 2. If t is NaN, return NaN. |
| 3. Return MonthFromTime(LocalTime(t)). |
| ---*/ |
| |
| assert.sameValue(new Date(2016, 6).getMonth(), 6, 'first millisecond'); |
| assert.sameValue( |
| new Date(2016, 6, 0, 0, 0, 0, -1).getMonth(), 5, 'previous millisecond' |
| ); |
| assert.sameValue( |
| new Date(2016, 6, 31, 23, 59, 59, 999).getMonth(), 6, 'final millisecond' |
| ); |
| assert.sameValue( |
| new Date(2016, 6, 31, 23, 59, 59, 1000).getMonth(), 7, 'subsequent millisecond' |
| ); |
| |
| assert.sameValue( |
| new Date(2016, 11, 31).getMonth(), 11, 'first millisecond (year boundary)' |
| ); |
| assert.sameValue( |
| new Date(2016, 11, 0, 0, 0, 0, -1).getMonth(), |
| 10, |
| 'previous millisecond (year boundary)' |
| ); |
| assert.sameValue( |
| new Date(2016, 11, 31, 23, 59, 59, 999).getMonth(), |
| 11, |
| 'final millisecond (year boundary)' |
| ); |
| assert.sameValue( |
| new Date(2016, 11, 31, 23, 59, 59, 1000).getMonth(), |
| 0, |
| 'subsequent millisecond (year boundary)' |
| ); |