// Test the performance of integer multiplication by implementing a 16-bit
// string hash.
function stringHash(string)
{
// source: http://en.wikipedia.org/wiki/Java_hashCode()#Sample_implementations_of_the_java.lang.String_algorithm
var h = 0;
var len = string.length;
for (var index = 0; index < len; index++) {
h = (((31 * h) | 0) + string.charCodeAt(index)) | 0;
}
return h;
}
for (var i = 0; i < 10000; ++i) {
var result =
(stringHash("The spirit is willing but the flesh is weak.") *
stringHash("The vodka is strong but the meat is rotten.")) | 0;
if (result != -1136304128)
throw "Bad result: " + result;
}