89 lines
3.4 KiB
Java
89 lines
3.4 KiB
Java
/*
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* Copyright (c) 2023, 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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/*
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* @test
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* @bug 8272613
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* @summary Make sure IAE is not thrown on `int` overflow, turning negative
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* size. The test should either not throw any Throwable, or an OOME
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* with real Java heap space error (not "exceeds VM limit").
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* @requires sun.arch.data.model == "64"
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* @run junit/othervm XcodeOverflow
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*/
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.CharacterCodingException;
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import java.nio.charset.StandardCharsets;
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import java.util.stream.Stream;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import org.junit.jupiter.params.provider.Arguments;
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public class XcodeOverflow {
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private static Stream<Arguments> sizes() {
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return Stream.of(
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// SOFT_MAX_ARRAY_LENGTH: copied from ArraysSupport. No overflow; no OOME.
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Arguments.of(Integer.MAX_VALUE - 8),
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// overflow case: OOME w/ "Java heap space" is thrown on decoding
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Arguments.of(Integer.MAX_VALUE - 1000000)
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);
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}
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@ParameterizedTest
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@MethodSource("sizes")
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public void testEncodeOverflow(int size) throws CharacterCodingException {
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try {
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StandardCharsets.UTF_8
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.newEncoder()
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.encode(CharBuffer.wrap(new char[size], 0, size));
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System.out.println("Encoded without error");
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} catch (OutOfMemoryError oome) {
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if (oome.getMessage().equals("Java heap space")) {
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System.out.println("OOME for \"Java heap space\" is thrown correctly during encoding");
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} else {
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throw new RuntimeException("Unexpected OOME", oome);
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}
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}
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}
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@ParameterizedTest
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@MethodSource("sizes")
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public void testDecodeOverflow(int size) throws CharacterCodingException {
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try {
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StandardCharsets.UTF_8
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.newDecoder()
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.decode(ByteBuffer.wrap(new byte[size], 0, size));
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System.out.println("Decoded without error");
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} catch (OutOfMemoryError oome) {
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if (oome.getMessage().equals("Java heap space")) {
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System.out.println("OOME for \"Java heap space\" is thrown correctly during decoding");
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} else {
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throw new RuntimeException("Unexpected OOME", oome);
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}
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}
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}
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}
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