1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
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
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16
17package libcore.java.io;
18
19import java.io.IOException;
20import java.io.InputStreamReader;
21import java.io.PipedInputStream;
22import java.io.PipedOutputStream;
23import junit.framework.TestCase;
24
25public final class InputStreamReaderTest extends TestCase {
26
27    /**
28     * This bug claims that InputStreamReader blocks unnecessarily:
29     * http://code.google.com/p/android/issues/detail?id=10252
30     */
31    public void testReadDoesNotBlockUnnecessarily() throws IOException {
32        PipedInputStream pin = new PipedInputStream();
33        PipedOutputStream pos = new PipedOutputStream(pin);
34        pos.write("hello".getBytes("UTF-8"));
35
36        InputStreamReader reader = new InputStreamReader(pin);
37        char[] buffer = new char[1024];
38        int count = reader.read(buffer);
39        assertEquals(5, count);
40    }
41}
42