js-crc32/test.js

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/* vim: set ts=2: */
var X;
if(typeof require !== 'undefined') {
assert = require('assert');
describe('source',function(){it('should load',function(){X=require('./');});});
bits = require('./misc/bits.js');
crc32table = require('./misc/table.js');
} else { X = CRC32; }
describe('crc32 table', function() {
it('should match fixed table', function() {
var badness = 0;
for(var i = 0; i != crc32table.length; ++i) {
assert.equal(crc32table[i]|0, X.table[i]);
if(crc32table[i] !== X.table[i]) ++badness;
}
assert.equal(badness, 128);
});
});
describe('crc32 bits', function() {
bits.forEach(function(i) {
var l = i[0].length;
var msg = i[0];
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if(l > 20) msg = i[0].substr(0,5) + "...(" + l + ")..." + i[0].substr(-5);
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it(msg, function() {
if(i[2] === 1) assert.equal(X.bstr(i[0]), i[1]|0);
assert.equal(X.str(i[0]), i[1]|0);
if(typeof Buffer !== 'undefined') assert.equal(X.buf(new Buffer(i[0])), i[1]|0);
});
});
});