wp/nwyj/.svn/pristine/f4/f4bbdede33f8c795eb89f85357126eb06462096a.svn-base

if (!dojo._hasResource["dojox.encoding.tests.bits"]) { // _hasResource checks
														// added by build. Do
														// not use _hasResource
														// directly in your
														// code.
	dojo._hasResource["dojox.encoding.tests.bits"] = true;
	dojo.provide("dojox.encoding.tests.bits");
	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 dcb = dojox.encoding.bits;

		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 testOut = function(msg) {
			var a = new dojox.encoding.bits.OutputStream();
			for (var i = 0; i < msg.length; ++i) {
				var v = msg.charCodeAt(i);
				var j = Math.floor(Math.random() * 7) + 1;
				a.putBits(v >>> (8 - j), j);
				a.putBits(v, 8 - j);
			}
			return b2s(a.getBuffer());
		};

		var testIn = function(msg) {
			var a = new dojox.encoding.bits.InputStream(s2b(msg), msg.length
							* 8);
			var r = [];
			for (var i = 0; i < msg.length; ++i) {
				var j = Math.floor(Math.random() * 7) + 1;
				r.push((a.getBits(j) << (8 - j)) | a.getBits(8 - j));
			}
			return b2s(r);
		};

		var test = function(msg) {
			var a = new dojox.encoding.bits.InputStream(s2b(msg), msg.length
							* 8);
			var o = new dojox.encoding.bits.OutputStream();
			while (a.getWidth() > 0) {
				var w = Math.min(a.getWidth(), 3);
				o.putBits(a.getBits(w), w);
			}
			return b2s(o.getBuffer());
		};

		tests.register("dojox.encoding.tests.bits", [function testBitsOut1(t) {
							t.assertEqual(msg1, testOut(msg1));
						}, function testBitsOut2(t) {
							t.assertEqual(msg2, testOut(msg2));
						}, function testBitsOut3(t) {
							t.assertEqual(msg3, testOut(msg3));
						}, function testBitsOut4(t) {
							t.assertEqual(msg4, testOut(msg4));
						}, function testBitsIn1(t) {
							t.assertEqual(msg1, testIn(msg1));
						}, function testBitsIn2(t) {
							t.assertEqual(msg2, testIn(msg2));
						}, function testBitsIn3(t) {
							t.assertEqual(msg3, testIn(msg3));
						}, function testBitsIn4(t) {
							t.assertEqual(msg4, testIn(msg4));
						}, function testBits1(t) {
							t.assertEqual(msg1, test(msg1));
						}, function testBits2(t) {
							t.assertEqual(msg2, test(msg2));
						}, function testBits3(t) {
							t.assertEqual(msg3, test(msg3));
						}, function testBits4(t) {
							t.assertEqual(msg4, test(msg4));
						}]);
	})();

}