зеркало из https://github.com/mozilla/gecko-dev.git
Bug 805121 - Add tests. r=terrence
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/*
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/licenses/publicdomain/
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*/
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var BUGNUMBER = 805121;
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var summary = "Be more careful with string math to avoid wrong results";
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print(BUGNUMBER + ": " + summary);
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/******************************************************************************/
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function puff(x, n)
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{
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while(x.length < n)
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x += x;
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return x.substring(0, n);
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}
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var x = puff("1", 1 << 20);
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var rep = puff("$1", 1 << 16);
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try
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{
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var y = x.replace(/(.+)/g, rep);
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assertEq(y.length, Math.pow(2, 36));
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}
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catch (e)
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{
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// OOM also acceptable
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}
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/******************************************************************************/
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if (typeof reportCompare === "function")
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reportCompare(true, true);
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print("Tests complete");
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