/* * Copyright (C) 2008 The Android Open Source Project * * 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 libcore.java.io; import java.io.PrintWriter; import java.io.StringWriter; import junit.framework.TestCase; public class OldAndroidPrintWriterTest extends TestCase { public void testPrintWriter() throws Exception { String str = "AbCdEfGhIjKlMnOpQrStUvWxYz"; StringWriter aa = new StringWriter(); PrintWriter a = new PrintWriter(aa); try { a.write(str, 0, 26); a.write('X'); assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzX", aa.toString()); a.write("alphabravodelta", 5, 5); a.append('X'); assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzXbravoX", aa.toString()); a.append("omega"); assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzXbravoXomega", aa.toString()); a.print("ZZZ"); assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzXbravoXomegaZZZ", aa.toString()); } finally { a.close(); } StringWriter ba = new StringWriter(); PrintWriter b = new PrintWriter(ba); try { b.print(true); b.print((char) 'A'); b.print("BCD".toCharArray()); b.print((double) 1.2); b.print((float) 3); b.print((int) 4); b.print((long) 5); assertEquals("trueABCD1.23.045", ba.toString()); b.println(); b.println(true); b.println((char) 'A'); b.println("BCD".toCharArray()); b.println((double) 1.2); b.println((float) 3); b.println((int) 4); b.println((long) 5); b.print("THE END"); assertEquals("trueABCD1.23.045\ntrue\nA\nBCD\n1.2\n3.0\n4\n5\nTHE END", ba.toString()); } finally { b.close(); } } }