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-rw-r--r--includes/js/dojox/encoding/tests/compression/lzw.js54
1 files changed, 54 insertions, 0 deletions
diff --git a/includes/js/dojox/encoding/tests/compression/lzw.js b/includes/js/dojox/encoding/tests/compression/lzw.js
new file mode 100644
index 0000000..7956a0e
--- /dev/null
+++ b/includes/js/dojox/encoding/tests/compression/lzw.js
@@ -0,0 +1,54 @@
+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))); }
+ ]);
+})();
+
+}