Merge pull request #11 from feross/fisch0920-master

fix for bitfields of non-multiple-of-8 length
fixes #10

index.js

@@ -14,7 +14,6 @@ function BitField(data, opts){
 	this.grow = opts && (isFinite(opts.grow) && getByteSize(opts.grow) || opts.grow) || 0;
 
 	if(typeof data === "number" || data === undefined){
-		if(data % 8 !== 0) data += 1 << 3;
 		data = new Container(getByteSize(data));
 		if(data.fill) data.fill(0); // clear node buffers of garbage
 	}

tests.js

@@ -96,3 +96,24 @@ test("if no data or size passed in, should assume size 0", function(t){
 
 	t.end();
 });
+
+test("correct size bitfield", function(t){
+  t.equal(new BitField(1).buffer.length, 1);
+  t.equal(new BitField(2).buffer.length, 1);
+  t.equal(new BitField(3).buffer.length, 1);
+  t.equal(new BitField(4).buffer.length, 1);
+  t.equal(new BitField(5).buffer.length, 1);
+  t.equal(new BitField(6).buffer.length, 1);
+  t.equal(new BitField(7).buffer.length, 1);
+  t.equal(new BitField(8).buffer.length, 1);
+  t.equal(new BitField(9).buffer.length, 2);
+  t.equal(new BitField(10).buffer.length, 2);
+  t.equal(new BitField(11).buffer.length, 2);
+  t.equal(new BitField(12).buffer.length, 2);
+  t.equal(new BitField(13).buffer.length, 2);
+  t.equal(new BitField(14).buffer.length, 2);
+  t.equal(new BitField(15).buffer.length, 2);
+  t.equal(new BitField(16).buffer.length, 2);
+  t.equal(new BitField(17).buffer.length, 3);
+  t.end();
+});