| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.xmlgraphics.util.io; |
| |
| import java.io.ByteArrayInputStream; |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Test case for SubInputStream. |
| */ |
| public class SubInputStreamTestCase extends TestCase { |
| |
| /** |
| * Main constructor. |
| * @param name the test case's name |
| * @see junit.framework.TestCase#TestCase(String) |
| */ |
| public SubInputStreamTestCase(String name) { |
| super(name); |
| } |
| |
| /** |
| * Tests SubInputStream. |
| * @throws Exception if an error occurs |
| */ |
| public void testMain() throws Exception { |
| //Initialize test data |
| byte[] data = new byte[256]; |
| for (int i = 0; i < data.length; i++) { |
| data[i] = (byte)(i & 0xff); |
| } |
| |
| int v, c; |
| byte[] buf; |
| String s; |
| |
| SubInputStream subin = new SubInputStream(new ByteArrayInputStream(data), 10); |
| v = subin.read(); |
| assertEquals(0, v); |
| v = subin.read(); |
| assertEquals(1, v); |
| |
| buf = new byte[4]; |
| c = subin.read(buf); |
| assertEquals(4, c); |
| s = new String(buf, "US-ASCII"); |
| assertEquals("\u0002\u0003\u0004\u0005", s); |
| |
| Arrays.fill(buf, (byte)0); |
| c = subin.read(buf, 2, 2); |
| assertEquals(2, c); |
| s = new String(buf, "US-ASCII"); |
| assertEquals("\u0000\u0000\u0006\u0007", s); |
| |
| Arrays.fill(buf, (byte)0); |
| c = subin.read(buf); |
| assertEquals(2, c); |
| s = new String(buf, "US-ASCII"); |
| assertEquals("\u0008\u0009\u0000\u0000", s); |
| } |
| |
| } |