InputStreamTest.java revision 561ee011997c6c2f1befbfaa9d5f0a99771c1d63 
1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18package org.apache.harmony.luni.tests.java.io;
19
20import java.io.IOException;
21import java.io.InputStream;
22
23import junit.framework.TestCase;
24
25public class InputStreamTest extends TestCase {
26    // Regression for HARMONY-4337
27    public void test1() throws IOException {
28        try {
29            InputStream in = new MockInputStream();
30            in.read(null, -1, 1);
31            fail("should throw NullPointerException.");
32        } catch (NullPointerException e) {
33            // expected
34        }
35    }
36
37    class MockInputStream extends InputStream {
38        public int read() throws IOException {
39            return 0;
40        }
41    }
42}
43