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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-5-21.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-5-21.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-5-21.js b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-5-21.js new file mode 100644 index 0000000000..363684cda1 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-5-21.js @@ -0,0 +1,24 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.indexof +description: > + Array.prototype.indexOf - value of 'fromIndex' is an Object, which + has an own toString method +---*/ + +// objects inherit the default valueOf() method from Object +// that simply returns itself. Since the default valueOf() method +// does not return a primitive value, ES next tries to convert the object +// to a number by calling its toString() method and converting the +// resulting string to a number. +var fromIndex = { + toString: function() { + return '1'; + } +}; + +assert.sameValue([0, true].indexOf(true, fromIndex), 1, '[0, true].indexOf(true, fromIndex)'); + +reportCompare(0, 0); |