| /** |
| * Copyright (c) 2008-2013, http://www.snakeyaml.org |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.yaml.snakeyaml.reader; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.nio.charset.Charset; |
| |
| import junit.framework.TestCase; |
| |
| public class ReaderBomTest extends TestCase { |
| |
| public void testReader() { |
| Reader input = new StringReader("test"); |
| StreamReader reader = new StreamReader(input); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('e', reader.peek()); |
| reader.forward(1); |
| assertEquals('s', reader.peek()); |
| reader.forward(1); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('\u0000', reader.peek()); |
| } |
| |
| public void testNoBom() throws IOException { |
| byte[] data = "test".getBytes("UTF-8"); |
| ByteArrayInputStream input = new ByteArrayInputStream(data); |
| Reader r = new UnicodeReader(input); |
| StreamReader reader = new StreamReader(r); |
| assertEquals('t', reader.peek()); |
| assertEquals(Charset.forName("UTF-8"), reader.getEncoding()); |
| reader.forward(1); |
| assertEquals('e', reader.peek()); |
| reader.forward(1); |
| assertEquals('s', reader.peek()); |
| reader.forward(1); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('\u0000', reader.peek()); |
| r.close(); |
| } |
| |
| public void testUtf8Bom() throws IOException { |
| File file = new File("src/test/resources/reader/utf-8.txt"); |
| assertTrue("Test file not found: " + file.getAbsolutePath(), file.exists()); |
| InputStream input = new FileInputStream(file); |
| StreamReader reader = new StreamReader(new UnicodeReader(input)); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('e', reader.peek()); |
| reader.forward(1); |
| assertEquals('s', reader.peek()); |
| reader.forward(1); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('\u0000', reader.peek()); |
| assertEquals(Charset.forName("UTF-8"), reader.getEncoding()); |
| input.close(); |
| } |
| |
| public void testUnicodeLeBom() throws IOException { |
| File file = new File("src/test/resources/reader/unicode-16le.txt"); |
| assertTrue("Test file not found: " + file.getAbsolutePath(), file.exists()); |
| InputStream input = new FileInputStream(file); |
| StreamReader reader = new StreamReader(new UnicodeReader(input)); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('e', reader.peek()); |
| reader.forward(1); |
| assertEquals('s', reader.peek()); |
| reader.forward(1); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('\u0000', reader.peek()); |
| assertEquals(Charset.forName("UTF-16LE"), reader.getEncoding()); |
| input.close(); |
| } |
| |
| public void testUnicodeBeBom() throws IOException { |
| File file = new File("src/test/resources/reader/unicode-16be.txt"); |
| assertTrue("Test file not found: " + file.getAbsolutePath(), file.exists()); |
| InputStream input = new FileInputStream(file); |
| StreamReader reader = new StreamReader(new UnicodeReader(input)); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('e', reader.peek()); |
| reader.forward(1); |
| assertEquals('s', reader.peek()); |
| reader.forward(1); |
| assertEquals('t', reader.peek()); |
| reader.forward(1); |
| assertEquals('\u0000', reader.peek()); |
| assertEquals(Charset.forName("UTF-16BE"), reader.getEncoding()); |
| input.close(); |
| } |
| } |