Add tests for recompilation in @@split

This commit is contained in:
André Bargull 2017-12-08 13:18:14 -08:00 committed by Rick Waldron
parent eecf0fd06b
commit 9b54779018
2 changed files with 67 additions and 0 deletions

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// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-regexp.prototype-@@split
description: >
Side-effects in IsRegExp may recompile the regular expression.
info: |
21.2.5.11 RegExp.prototype [ @@split ] ( string, limit )
...
4. Let C be ? SpeciesConstructor(rx, %RegExp%).
...
10. Let splitter be ? Construct(C, « rx, newFlags »).
...
21.2.3.1 RegExp ( pattern, flags )
1. Let patternIsRegExp be ? IsRegExp(pattern).
...
features: [Symbol.match, Symbol.split]
---*/
var regExp = /a/;
Object.defineProperty(regExp, Symbol.match, {
get: function() {
regExp.compile("b");
}
});
var result = regExp[Symbol.split]("abba");
assert.sameValue(result.length, 3);
assert.sameValue(result[0], "a");
assert.sameValue(result[1], "");
assert.sameValue(result[2], "a");

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// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-regexp.prototype-@@split
description: >
Side-effects in ToUint32 may recompile the regular expression.
info: |
21.2.5.11 RegExp.prototype [ @@split ] ( string, limit )
...
10. Let splitter be ? Construct(C, « rx, newFlags »).
...
13. If limit is undefined, let lim be 2^32-1; else let lim be ? ToUint32(limit).
...
features: [Symbol.split]
---*/
var regExp = /a/;
var limit = {
valueOf: function() {
regExp.compile("b");
return -1;
}
};
var result = regExp[Symbol.split]("abba", limit);
assert.sameValue(result.length, 3);
assert.sameValue(result[0], "");
assert.sameValue(result[1], "bb");
assert.sameValue(result[2], "");