1 /* 2 * Copyright (C) 2014 Square, Inc. 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 package okio; 17 18 import java.io.EOFException; 19 import java.io.IOException; 20 import org.junit.Test; 21 22 import static org.junit.Assert.assertEquals; 23 import static org.junit.Assert.assertTrue; 24 import static org.junit.Assert.fail; 25 26 public abstract class ReadUtf8LineTest { newSource(String s)27 protected abstract BufferedSource newSource(String s); 28 readLines()29 @Test public void readLines() throws IOException { 30 BufferedSource source = newSource("abc\ndef\n"); 31 assertEquals("abc", source.readUtf8LineStrict()); 32 assertEquals("def", source.readUtf8LineStrict()); 33 try { 34 source.readUtf8LineStrict(); 35 fail(); 36 } catch (EOFException expected) { 37 } 38 } 39 emptyLines()40 @Test public void emptyLines() throws IOException { 41 BufferedSource source = newSource("\n\n\n"); 42 assertEquals("", source.readUtf8LineStrict()); 43 assertEquals("", source.readUtf8LineStrict()); 44 assertEquals("", source.readUtf8LineStrict()); 45 assertTrue(source.exhausted()); 46 } 47 crDroppedPrecedingLf()48 @Test public void crDroppedPrecedingLf() throws IOException { 49 BufferedSource source = newSource("abc\r\ndef\r\nghi\rjkl\r\n"); 50 assertEquals("abc", source.readUtf8LineStrict()); 51 assertEquals("def", source.readUtf8LineStrict()); 52 assertEquals("ghi\rjkl", source.readUtf8LineStrict()); 53 } 54 bufferedReaderCompatible()55 @Test public void bufferedReaderCompatible() throws IOException { 56 BufferedSource source = newSource("abc\ndef"); 57 assertEquals("abc", source.readUtf8Line()); 58 assertEquals("def", source.readUtf8Line()); 59 assertEquals(null, source.readUtf8Line()); 60 } 61 bufferedReaderCompatibleWithTrailingNewline()62 @Test public void bufferedReaderCompatibleWithTrailingNewline() throws IOException { 63 BufferedSource source = newSource("abc\ndef\n"); 64 assertEquals("abc", source.readUtf8Line()); 65 assertEquals("def", source.readUtf8Line()); 66 assertEquals(null, source.readUtf8Line()); 67 } 68 } 69