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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-25.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-25.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-25.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-25.js new file mode 100644 index 0000000000..880fd7b678 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-25.js @@ -0,0 +1,35 @@ +// 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.lastindexof +description: > + Array.prototype.lastIndexOf use inherited valueOf method when + value of 'fromIndex' is an object with an own toString and + inherited valueOf methods +---*/ + +var toStringAccessed = false; +var valueOfAccessed = false; + +var proto = { + valueOf: function() { + valueOfAccessed = true; + return 1; + } +}; + +var Con = function() {}; +Con.prototype = proto; + +var child = new Con(); +child.toString = function() { + toStringAccessed = true; + return 1; +}; + +assert.sameValue([0, true].lastIndexOf(true, child), 1, '[0, true].lastIndexOf(true, child)'); +assert(valueOfAccessed, 'valueOfAccessed !== true'); +assert.sameValue(toStringAccessed, false, 'toStringAccessed'); + +reportCompare(0, 0); |