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