js-crc32/test.js
SheetJS 79a265b662 version bump 0.4.0
- added missing bitshift (fixes #5)
- brute-force unicode tests
2016-01-12 22:30:35 -05:00

53 lines
1.8 KiB
JavaScript

/* 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');
fs = require("fs");
} else { X = CRC32; }
function readlines(f) { return fs.readFileSync(f, "ascii").split("\n").filter(function(f) { return !!f; }); }
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];
if(l > 20) msg = i[0].substr(0,5) + "...(" + l + ")..." + i[0].substr(-5);
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);
});
});
});
if(typeof require !== 'undefined') describe("unicode", function() {
if(!fs.existsSync("./test_files/uccat.txt")) return;;
var uccat = readlines("./test_files/uccat.txt");
uccat.forEach(function(cat) {
it("Category " + cat, function() {
if(!fs.existsSync("./test_files/baseline." + cat + ".txt")) return;
var corpus = readlines("./test_files/baseline." + cat + ".txt");
var uctable = require("./test_files/uctable." + cat + ".js");
uctable.forEach(function(c, i) {
/* since the baselines are passed via utf8, discard invalid codes */
if(c.charCodeAt(0) >= 0xD800 && c.charCodeAt(0) < 0xE000) return;
var cc = corpus[i], dd = X.str(c);
assert.equal(dd, cc, ":" + i + ":" + c + ":" + cc + ":" + dd);
});
});
});
});