76 lines
2.9 KiB
Java
76 lines
2.9 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import java.util.Base64;
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/**
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* @test
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* @bug 8210583 8217969 8218265
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* @summary Tests Base64.Encoder.encode and Base64.Decoder.decode
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* with the large size of input array/buffer
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* @requires (sun.arch.data.model == "64" & os.maxMemory >= 10g)
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* @run main/othervm -Xms6g -Xmx8g TestEncodingDecodingLength
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*
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*/
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public class TestEncodingDecodingLength {
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public static void main(String[] args) {
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int size = Integer.MAX_VALUE - 8;
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byte[] inputBytes = new byte[size];
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byte[] outputBytes = new byte[size];
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// Check encoder with large array length
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Base64.Encoder encoder = Base64.getEncoder();
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checkOOM("encode(byte[])", () -> encoder.encode(inputBytes));
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checkIAE("encode(byte[] byte[])", () -> encoder.encode(inputBytes, outputBytes));
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checkOOM("encodeToString(byte[])", () -> encoder.encodeToString(inputBytes));
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checkOOM("encode(ByteBuffer)", () -> encoder.encode(ByteBuffer.wrap(inputBytes)));
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// Check decoder with large array length,
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// should not throw any exception
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Arrays.fill(inputBytes, (byte) 86);
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Base64.Decoder decoder = Base64.getDecoder();
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decoder.decode(inputBytes);
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decoder.decode(inputBytes, outputBytes);
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decoder.decode(ByteBuffer.wrap(inputBytes));
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}
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private static final void checkOOM(String methodName, Runnable r) {
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try {
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r.run();
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throw new RuntimeException("OutOfMemoryError should have been thrown by: " + methodName);
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} catch (OutOfMemoryError er) {}
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}
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private static final void checkIAE(String methodName, Runnable r) {
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try {
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r.run();
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throw new RuntimeException("IllegalArgumentException should have been thrown by: " + methodName);
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} catch (IllegalArgumentException iae) {}
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}
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}
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