2 * Copyright 2007 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.common;
19 import org.junit.Assert;
20 import org.junit.Test;
25 public final class BitSourceTestCase extends Assert {
28 public void testSource() {
29 byte[] bytes = {(byte) 1, (byte) 2, (byte) 3, (byte) 4, (byte) 5};
30 BitSource source = new BitSource(bytes);
31 assertEquals(40, source.available());
32 assertEquals(0, source.readBits(1));
33 assertEquals(39, source.available());
34 assertEquals(0, source.readBits(6));
35 assertEquals(33, source.available());
36 assertEquals(1, source.readBits(1));
37 assertEquals(32, source.available());
38 assertEquals(2, source.readBits(8));
39 assertEquals(24, source.available());
40 assertEquals(12, source.readBits(10));
41 assertEquals(14, source.available());
42 assertEquals(16, source.readBits(8));
43 assertEquals(6, source.available());
44 assertEquals(5, source.readBits(6));
45 assertEquals(0, source.available());