1 /* 2 * Copyright (C) 2008 The Guava Authors 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 17 package com.google.common.io; 18 19 import static com.google.common.io.FileBackedOutputStreamTest.write; 20 21 import com.google.common.testing.GcFinalization; 22 import java.io.File; 23 24 /** 25 * Android-incompatible tests for {@link FileBackedOutputStream}. 26 * 27 * @author Chris Nokleberg 28 */ 29 @AndroidIncompatible // Finalization probably just doesn't happen fast enough? 30 public class FileBackedOutputStreamAndroidIncompatibleTest extends IoTestCase { 31 testFinalizeDeletesFile()32 public void testFinalizeDeletesFile() throws Exception { 33 byte[] data = newPreFilledByteArray(100); 34 FileBackedOutputStream out = new FileBackedOutputStream(0, true); 35 36 write(out, data, 0, 100, true); 37 final File file = out.getFile(); 38 assertEquals(100, file.length()); 39 assertTrue(file.exists()); 40 out.close(); 41 42 // Make sure that finalize deletes the file 43 out = null; 44 45 // times out and throws RuntimeException on failure 46 GcFinalization.awaitDone( 47 new GcFinalization.FinalizationPredicate() { 48 @Override 49 public boolean isDone() { 50 return !file.exists(); 51 } 52 }); 53 } 54 } 55