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FileBackedOutputStreamAndroidIncompatibleTest.java
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FileBackedOutputStreamAndroidIncompatibleTest.java
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/*
* Copyright (C) 2008 The Guava Authors
*
* 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 com.google.common.io;
import static com.google.common.base.StandardSystemProperty.OS_NAME;
import static com.google.common.io.FileBackedOutputStreamTest.write;
import com.google.common.testing.GcFinalization;
import java.io.File;
/**
* Android-incompatible tests for {@link FileBackedOutputStream}.
*
* @author Chris Nokleberg
*/
@AndroidIncompatible // Finalization probably just doesn't happen fast enough?
public class FileBackedOutputStreamAndroidIncompatibleTest extends IoTestCase {
public void testFinalizeDeletesFile() throws Exception {
if (isWindows()) {
return; // TODO: b/285742623 - Fix FileBackedOutputStream under Windows.
}
byte[] data = newPreFilledByteArray(100);
FileBackedOutputStream out = new FileBackedOutputStream(0, true);
write(out, data, 0, 100, true);
final File file = out.getFile();
assertEquals(100, file.length());
assertTrue(file.exists());
out.close();
// Make sure that finalize deletes the file
out = null;
// times out and throws RuntimeException on failure
GcFinalization.awaitDone(
new GcFinalization.FinalizationPredicate() {
@Override
public boolean isDone() {
return !file.exists();
}
});
}
private static boolean isWindows() {
return OS_NAME.value().startsWith("Windows");
}
}