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Diffstat (limited to 'org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/HugeCommitMessageTest.java')
| -rw-r--r-- | org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/HugeCommitMessageTest.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/HugeCommitMessageTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/HugeCommitMessageTest.java new file mode 100644 index 0000000000..4193c4ba3e --- /dev/null +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/HugeCommitMessageTest.java @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch> + * and other copyright owners as documented in the project's IP log. + * + * This program and the accompanying materials are made available + * under the terms of the Eclipse Distribution License v1.0 which + * accompanies this distribution, is reproduced below, and is + * available at http://www.eclipse.org/org/documents/edl-v10.php + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * - Neither the name of the Eclipse Foundation, Inc. nor the + * names of its contributors may be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package org.eclipse.jgit.lib; + +import static org.junit.Assert.assertTrue; + +import java.util.List; + +import org.eclipse.jgit.api.Git; +import org.eclipse.jgit.junit.RepositoryTestCase; +import org.eclipse.jgit.revwalk.RevCommit; +import org.eclipse.jgit.storage.file.WindowCacheConfig; +import org.eclipse.jgit.storage.pack.PackConfig; +import org.junit.Test; + +public class HugeCommitMessageTest extends RepositoryTestCase { + + private static final int HUGE_SIZE = Math.max(15 * WindowCacheConfig.MB, + PackConfig.DEFAULT_BIG_FILE_THRESHOLD + WindowCacheConfig.MB); + // Larger than the 5MB fallback limit in RevWalk.getCachedBytes(RevObject + // obj, ObjectLoader ldr), and also larger than the default + // streamFileThreshold. + + @Test + public void testHugeCommitMessage() throws Exception { + try (Git git = new Git(db)) { + writeTrashFile("foo", "foo"); + git.add().addFilepattern("foo").call(); + WindowCacheConfig wc = new WindowCacheConfig(); + wc.setStreamFileThreshold(HUGE_SIZE + WindowCacheConfig.MB); + wc.install(); + RevCommit commit = git.commit() + .setMessage(insanelyHugeCommitMessage()).call(); + Ref master = db.findRef("master"); + List<Ref> actual = git.branchList().setContains(commit.getName()) + .call(); + assertTrue("Should be contained in branch master", + actual.contains(master)); + } + } + + private String insanelyHugeCommitMessage() { + final String oneLine = "012345678901234567890123456789012345678901234567890123456789\n"; + StringBuilder b = new StringBuilder(HUGE_SIZE + oneLine.length()); + // Give the message a real header; otherwise even writing the reflog + // message may run into troubles because RevCommit.getShortMessage() + // will return the whole message. + b.append("An insanely huge commit message\n\n"); + while (b.length() < HUGE_SIZE) { + b.append(oneLine); + } + return b.toString(); + } + +} |