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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8205612
* @run testng CallWithInterruptSet
* @summary Test invoking Files methods with the interrupt status set
*/
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.Reader;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
public class CallWithInterruptSet {
@Test
public void testReadAllBytes() throws Exception {
Path file = mkfile(100);
Thread.currentThread().interrupt();
try {
byte[] bytes = Files.readAllBytes(file);
assertTrue(bytes.length == 100);
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
}
@Test
public void testInputStream() throws IOException {
Path file = mkfile(100);
Thread.currentThread().interrupt();
try (InputStream in = Files.newInputStream(file)) {
int n = in.read(new byte[10]);
assertTrue(n > 0);
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
}
@Test
public void testOutputStream() throws Exception {
Path file = mkfile();
try (OutputStream out = Files.newOutputStream(file)) {
Thread.currentThread().interrupt();
out.write(new byte[10]);
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
assertTrue(Files.size(file) == 10);
}
@Test
public void testReadString() throws Exception {
Path file = mkfile();
Files.writeString(file, "hello");
Thread.currentThread().interrupt();
try {
String msg = Files.readString(file);
assertEquals(msg, "hello");
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
}
@Test
public void testWriteString() throws Exception {
Path file = mkfile();
Thread.currentThread().interrupt();
try {
Files.writeString(file, "hello");
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
String msg = Files.readString(file);
assertEquals(msg, "hello");
}
@Test
public void testBufferedReader() throws Exception {
Path file = mkfile();
Files.writeString(file, "hello");
Thread.currentThread().interrupt();
try (BufferedReader reader = Files.newBufferedReader(file)) {
String msg = reader.readLine();
assertEquals(msg, "hello");
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
}
@Test
public void testBufferedWriter() throws Exception {
Path file = mkfile();
Thread.currentThread().interrupt();
try (BufferedWriter writer = Files.newBufferedWriter(file)) {
writer.write("hello");
} finally {
assertTrue(Thread.interrupted()); // clear interrupt
}
String msg = Files.readString(file);
assertEquals(msg, "hello");
}
private Path mkfile() throws IOException {
return Files.createTempFile(Path.of("."), "tmp", "tmp");
}
private Path mkfile(int size) throws IOException {
return Files.write(mkfile(), new byte[size]);
}
}
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