| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.commons.lang; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| import junit.textui.TestRunner; |
| |
| /** |
| * Tests CharEncoding. |
| * |
| * @see CharEncoding |
| * @author Gary D. Gregory |
| * @version $Id$ |
| */ |
| public class CharEncodingTest extends TestCase { |
| |
| public static void main(String[] args) { |
| TestRunner.run(suite()); |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(CharEncodingTest.class); |
| suite.setName("CharEncoding Tests"); |
| return suite; |
| } |
| |
| private void assertSupportedEncoding(String name) { |
| assertTrue("Encoding should be supported: " + name, CharEncoding.isSupported(name)); |
| } |
| |
| /** |
| * The class can be instantiated. |
| */ |
| public void testConstructor() { |
| new CharEncoding(); |
| } |
| |
| public void testMustBeSupportedJava1_3_1() { |
| if (SystemUtils.isJavaVersionAtLeast(1.3f)) { |
| this.assertSupportedEncoding(CharEncoding.ISO_8859_1); |
| this.assertSupportedEncoding(CharEncoding.US_ASCII); |
| this.assertSupportedEncoding(CharEncoding.UTF_16); |
| this.assertSupportedEncoding(CharEncoding.UTF_16BE); |
| this.assertSupportedEncoding(CharEncoding.UTF_16LE); |
| this.assertSupportedEncoding(CharEncoding.UTF_8); |
| } else { |
| this.warn("Java 1.3 tests not run since the current version is " + SystemUtils.JAVA_VERSION); |
| } |
| } |
| |
| public void testNotSupported() { |
| assertFalse(CharEncoding.isSupported(null)); |
| assertFalse(CharEncoding.isSupported("")); |
| assertFalse(CharEncoding.isSupported(" ")); |
| assertFalse(CharEncoding.isSupported("\t\r\n")); |
| assertFalse(CharEncoding.isSupported("DOESNOTEXIST")); |
| assertFalse(CharEncoding.isSupported("this is not a valid encoding name")); |
| } |
| |
| public void testWorksOnJava1_1_8() { |
| // |
| // In this test, I simply deleted the encodings from the 1.3.1 list. |
| // The Javadoc do not specify which encodings are required. |
| // |
| if (SystemUtils.isJavaVersionAtLeast(1.1f)) { |
| this.assertSupportedEncoding(CharEncoding.ISO_8859_1); |
| this.assertSupportedEncoding(CharEncoding.US_ASCII); |
| this.assertSupportedEncoding(CharEncoding.UTF_8); |
| } else { |
| this.warn("Java 1.1 tests not run since the current version is " + SystemUtils.JAVA_VERSION); |
| } |
| } |
| |
| public void testWorksOnJava1_2_2() { |
| // |
| // In this test, I simply deleted the encodings from the 1.3.1 list. |
| // The Javadoc do not specify which encodings are required. |
| // |
| if (SystemUtils.isJavaVersionAtLeast(1.2f)) { |
| this.assertSupportedEncoding(CharEncoding.ISO_8859_1); |
| this.assertSupportedEncoding(CharEncoding.US_ASCII); |
| this.assertSupportedEncoding(CharEncoding.UTF_8); |
| } else { |
| this.warn("Java 1.2 tests not run since the current version is " + SystemUtils.JAVA_VERSION); |
| } |
| } |
| |
| void warn(String msg) { |
| System.err.println(msg); |
| } |
| } |