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/*
* Copyright (c) 2021, 2023, 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.
*/
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.file.Files;
import static java.nio.file.StandardOpenOption.*;
import org.testng.annotations.Test;
/*
* @test
* @library /test/lib
* @build jdk.test.lib.RandomFactory
* @run testng/othervm/timeout=180 TransferTo_2GB_transferTo
* @bug 8265891
* @summary Tests if ChannelInputStream.transferTo correctly
* transfers 2GB+ using FileChannel.transferTo(WritableByteChannel).
* @key randomness
*/
public class TransferTo_2GB_transferTo extends TransferToBase {
/*
* Special test for file-to-stream transfer of more than 2 GB. This test
* covers multiple iterations of FileChannel.transferTo(WritableByteChannel),
* which ChannelInputStream.transferTo() only applies in this particular
* case, and cannot get tested using a single byte[] due to size limitation
* of arrays.
*/
@Test
public void testMoreThanTwoGB() throws IOException {
testMoreThanTwoGB("To",
(sourceFile, targetFile) -> {
try {
return Channels.newInputStream(FileChannel.open(sourceFile));
} catch (IOException e) {
throw new UncheckedIOException(e);
}
},
(sourceFile, targetFile) -> {
try {
return Channels.newOutputStream(FileChannel.open(targetFile, WRITE));
} catch (IOException e) {
throw new UncheckedIOException(e);
}
},
(inputStream, outputStream) -> {
try {
return inputStream.transferTo(outputStream);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
);
}
}
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