/** | |
* Copyright (c) 2008-2011, 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() throws IOException { | |
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(); | |
} | |
} |