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/*
* Copyright (c) 2019, 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.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Base64;
/**
* @test
* @bug 8210583 8217969 8218265
* @summary Tests Base64.Encoder.encode and Base64.Decoder.decode
* with the large size of input array/buffer
* @requires (sun.arch.data.model == "64" & os.maxMemory >= 10g)
* @run main/othervm -Xms6g -Xmx8g TestEncodingDecodingLength
*
*/
public class TestEncodingDecodingLength {
public static void main(String[] args) {
int size = Integer.MAX_VALUE - 8;
byte[] inputBytes = new byte[size];
byte[] outputBytes = new byte[size];
// Check encoder with large array length
Base64.Encoder encoder = Base64.getEncoder();
checkOOM("encode(byte[])", () -> encoder.encode(inputBytes));
checkIAE("encode(byte[] byte[])", () -> encoder.encode(inputBytes, outputBytes));
checkOOM("encodeToString(byte[])", () -> encoder.encodeToString(inputBytes));
checkOOM("encode(ByteBuffer)", () -> encoder.encode(ByteBuffer.wrap(inputBytes)));
// Check decoder with large array length,
// should not throw any exception
Arrays.fill(inputBytes, (byte) 86);
Base64.Decoder decoder = Base64.getDecoder();
decoder.decode(inputBytes);
decoder.decode(inputBytes, outputBytes);
decoder.decode(ByteBuffer.wrap(inputBytes));
}
private static final void checkOOM(String methodName, Runnable r) {
try {
r.run();
throw new RuntimeException("OutOfMemoryError should have been thrown by: " + methodName);
} catch (OutOfMemoryError er) {}
}
private static final void checkIAE(String methodName, Runnable r) {
try {
r.run();
throw new RuntimeException("IllegalArgumentException should have been thrown by: " + methodName);
} catch (IllegalArgumentException iae) {}
}
}
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