diff --git a/test/built-ins/String/prototype/split/cstm-split-is-null.js b/test/built-ins/String/prototype/split/cstm-split-is-null.js new file mode 100644 index 0000000000..55d724ddfd --- /dev/null +++ b/test/built-ins/String/prototype/split/cstm-split-is-null.js @@ -0,0 +1,34 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-string.prototype.split +description: > + If separator's Symbol.split property is null, no error is thrown. +info: | + String.prototype.split ( separator, limit ) + + [...] + 2. If separator is neither undefined nor null, then + a. Let splitter be ? GetMethod(separator, @@split). + b. If splitter is not undefined, then + [...] + [...] + 17. Return A. + + GetMethod ( V, P ) + + [...] + 2. Let func be ? GetV(V, P). + 3. If func is either undefined or null, return undefined. +includes: [compareArray.js] +features: [Symbol.split] +---*/ + +var separator = {}; +separator[Symbol.split] = null; +separator.toString = function() { return "2"; }; +separator.valueOf = function() { throw new Test262Error("should not be called"); }; + +assert.compareArray("a2b2c".split(separator), ["a", "b", "c"]); +assert.compareArray("a2b2c".split(separator, 1), ["a"]);