| // 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-regexp.prototype.compile |
| es6id: B.2.5.1 |
| description: Behavior when pattern is undefined |
| info: | |
| [...] |
| 3. If Type(pattern) is Object and pattern has a [[RegExpMatcher]] internal |
| slot, then |
| [...] |
| 4. Else, |
| a. Let P be pattern. |
| b. Let F be flags. |
| 5. Return ? RegExpInitialize(O, P, F). |
| |
| 21.2.3.2.2 Runtime Semantics: RegExpInitialize |
| |
| 1. If pattern is undefined, let P be the empty String. |
| [...] |
| ---*/ |
| |
| var subject; |
| |
| subject = /abc/; |
| assert.sameValue( |
| subject.compile(), subject, 'method return value (unspecified)' |
| ); |
| assert.sameValue( |
| subject.source, new RegExp('').source, '[[OriginalSource]] (unspecified)' |
| ); |
| assert.sameValue( |
| subject.test(''), true, '[[RegExpMatcher]] internal slot (unspecified)' |
| ); |
| |
| subject = /abc/; |
| assert.sameValue( |
| subject.compile(undefined), |
| subject, |
| 'method return value (explicit undefined)' |
| ); |
| assert.sameValue( |
| subject.source, |
| new RegExp('').source, |
| '[[OriginalSource]] (explicit undefined)' |
| ); |
| assert.sameValue( |
| subject.test(''), |
| true, |
| '[[RegExpMatcher]] internal slot (explicit undefined)' |
| ); |