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/// Copyright (c) 2012 Ecma International. All rights reserved.
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
/// "Use Terms"). Any redistribution of this code must retain the above
/// copyright and this notice and otherwise comply with the Use Terms.
/**
* @path ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-29.js
* @description Array.prototype.lastIndexOf - side effects produced by step 2 are visible when an exception occurs
*/
function testcase() {
var stepFiveOccurs = false;
var obj = {};
Object.defineProperty(obj, "length", {
get: function () {
throw new RangeError();
},
configurable: true
});
var fromIndex = {
valueOf: function () {
stepFiveOccurs = true;
return 0;
}
};
try {
Array.prototype.lastIndexOf.call(obj, undefined, fromIndex);
return false;
} catch (e) {
return (e instanceof RangeError) && !stepFiveOccurs;
}
}
runTestCase(testcase);
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