1 /* 2 * Copyright (C) 2008 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 17 package android.core; 18 19 import junit.framework.TestCase; 20 21 import java.io.LineNumberReader; 22 import java.io.StringReader; 23 import android.test.suitebuilder.annotation.MediumTest; 24 25 /** 26 * Checks basic functionality for LineNumberReader. 27 */ 28 public class LineNumberReaderTest extends TestCase { 29 30 @MediumTest testLineNumberReader()31 public void testLineNumberReader() throws Exception { 32 String str = "AbCdEfGhIjKlM\nOpQrStUvWxYz"; 33 34 StringReader aa = new StringReader(str); 35 StringReader ba = new StringReader(str); 36 StringReader ca = new StringReader(str); 37 StringReader da = new StringReader(str); 38 StringReader ea = new StringReader(str); 39 40 LineNumberReader a = new LineNumberReader(aa); 41 try { 42 assertEquals(0, a.getLineNumber()); 43 assertEquals(str, IOUtil.read(a)); 44 assertEquals(1, a.getLineNumber()); 45 a.setLineNumber(5); 46 assertEquals(5, a.getLineNumber()); 47 } finally { 48 a.close(); 49 } 50 51 LineNumberReader b = new LineNumberReader(ba); 52 try { 53 assertEquals("AbCdEfGhIj", IOUtil.read(b, 10)); 54 } finally { 55 b.close(); 56 } 57 58 LineNumberReader c = new LineNumberReader(ca); 59 try { 60 assertEquals("bdfhjl\nprtvxz", IOUtil.skipRead(c)); 61 } finally { 62 c.close(); 63 } 64 65 LineNumberReader d = new LineNumberReader(da); 66 try { 67 assertEquals("AbCdEfGdEfGhIjKlM\nOpQrStUvWxYz", IOUtil.markRead(d, 3, 4)); 68 } finally { 69 d.close(); 70 } 71 72 LineNumberReader e = new LineNumberReader(ea); 73 try { 74 assertEquals("AbCdEfGhIjKlM", e.readLine()); 75 } finally { 76 e.close(); 77 } 78 } 79 } 80