if(!dojo._hasResource["dojox.encoding.tests.compression.lzw"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. dojo._hasResource["dojox.encoding.tests.compression.lzw"] = true; dojo.provide("dojox.encoding.tests.compression.lzw"); dojo.require("dojox.encoding.compression.lzw"); dojo.require("dojox.encoding.bits"); (function(){ var msg1 = "The rain in Spain falls mainly on the plain."; var msg2 = "The rain in Spain falls mainly on the plain.1"; var msg3 = "The rain in Spain falls mainly on the plain.ab"; var msg4 = "The rain in Spain falls mainly on the plain.!@#"; var dc = dojox.encoding.compression, dcb = dojox.encoding.bits, dcl = dc.lzw; var s2b = function(s){ var b = []; for(var i = 0; i < s.length; ++i){ b.push(s.charCodeAt(i)); } return b; }; var b2s = function(b){ var s = []; dojo.forEach(b, function(c){ s.push(String.fromCharCode(c)); }); return s.join(""); }; var encode = function(msg){ var x = new dcb.OutputStream(), encoder = new dcl.Encoder(128); dojo.forEach(s2b(msg), function(v){ encoder.encode(v, x); }); encoder.flush(x); console.debug("bits =", x.getWidth()); return x.getBuffer(); }; var decode = function(n, buf){ var x = new dcb.InputStream(buf, buf.length * 8), decoder = new dcl.Decoder(128), t = [], w = 0; while(w < n){ var v = decoder.decode(x); t.push(v); w += v.length; } return t.join(""); }; tests.register("dojox.encoding.tests.compression.lzw", [ function testLzwMsg1(t){ t.assertEqual(msg1, decode(msg1.length, encode(msg1))); }, function testLzwMsg2(t){ t.assertEqual(msg2, decode(msg2.length, encode(msg2))); }, function testLzwMsg3(t){ t.assertEqual(msg3, decode(msg3.length, encode(msg3))); }, function testLzwMsg4(t){ t.assertEqual(msg4, decode(msg4.length, encode(msg4))); } ]); })(); }