| /* |
| * Copyright (C) 2009, Google Inc. |
| * Copyright (C) 2009, Tor Arne Vestbø <torarnv@gmail.com> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.treewalk; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.errors.IncorrectObjectTypeException; |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.FileMode; |
| import org.eclipse.jgit.lib.ObjectReader; |
| import org.junit.Test; |
| |
| |
| public class AbstractTreeIteratorTest { |
| private static String prefix(String path) { |
| final int s = path.lastIndexOf('/'); |
| return s > 0 ? path.substring(0, s) : ""; |
| } |
| |
| public static class FakeTreeIterator extends WorkingTreeIterator { |
| public FakeTreeIterator(String pathName, FileMode fileMode) { |
| super(prefix(pathName), new Config().get(WorkingTreeOptions.KEY)); |
| mode = fileMode.getBits(); |
| |
| final int s = pathName.lastIndexOf('/'); |
| final byte[] name = Constants.encode(pathName.substring(s + 1)); |
| ensurePathCapacity(pathOffset + name.length, pathOffset); |
| System.arraycopy(name, 0, path, pathOffset, name.length); |
| pathLen = pathOffset + name.length; |
| } |
| |
| @Override |
| public AbstractTreeIterator createSubtreeIterator(ObjectReader reader) |
| throws IncorrectObjectTypeException, IOException { |
| return null; |
| } |
| } |
| |
| @Test |
| public void testPathCompare() throws Exception { |
| assertTrue(new FakeTreeIterator("a", FileMode.REGULAR_FILE).pathCompare( |
| new FakeTreeIterator("a", FileMode.TREE)) < 0); |
| |
| assertTrue(new FakeTreeIterator("a", FileMode.TREE).pathCompare( |
| new FakeTreeIterator("a", FileMode.REGULAR_FILE)) > 0); |
| |
| assertTrue(new FakeTreeIterator("a", FileMode.REGULAR_FILE).pathCompare( |
| new FakeTreeIterator("a", FileMode.REGULAR_FILE)) == 0); |
| |
| assertTrue(new FakeTreeIterator("a", FileMode.TREE).pathCompare( |
| new FakeTreeIterator("a", FileMode.TREE)) == 0); |
| } |
| |
| @Test |
| public void testGrowPath() throws Exception { |
| final FakeTreeIterator i = new FakeTreeIterator("ab", FileMode.TREE); |
| final byte[] origpath = i.path; |
| assertEquals(i.path[0], 'a'); |
| assertEquals(i.path[1], 'b'); |
| |
| i.growPath(2); |
| |
| assertNotSame(origpath, i.path); |
| assertEquals(origpath.length * 2, i.path.length); |
| assertEquals(i.path[0], 'a'); |
| assertEquals(i.path[1], 'b'); |
| } |
| |
| @Test |
| public void testEnsurePathCapacityFastCase() throws Exception { |
| final FakeTreeIterator i = new FakeTreeIterator("ab", FileMode.TREE); |
| final int want = 50; |
| final byte[] origpath = i.path; |
| assertEquals(i.path[0], 'a'); |
| assertEquals(i.path[1], 'b'); |
| assertTrue(want < i.path.length); |
| |
| i.ensurePathCapacity(want, 2); |
| |
| assertSame(origpath, i.path); |
| assertEquals(i.path[0], 'a'); |
| assertEquals(i.path[1], 'b'); |
| } |
| |
| @Test |
| public void testEnsurePathCapacityGrows() throws Exception { |
| final FakeTreeIterator i = new FakeTreeIterator("ab", FileMode.TREE); |
| final int want = 384; |
| final byte[] origpath = i.path; |
| assertEquals(i.path[0], 'a'); |
| assertEquals(i.path[1], 'b'); |
| assertTrue(i.path.length < want); |
| |
| i.ensurePathCapacity(want, 2); |
| |
| assertNotSame(origpath, i.path); |
| assertEquals(512, i.path.length); |
| assertEquals(i.path[0], 'a'); |
| assertEquals(i.path[1], 'b'); |
| } |
| |
| @Test |
| public void testEntryFileMode() { |
| for (FileMode m : new FileMode[] { FileMode.TREE, |
| FileMode.REGULAR_FILE, FileMode.EXECUTABLE_FILE, |
| FileMode.GITLINK, FileMode.SYMLINK }) { |
| final FakeTreeIterator i = new FakeTreeIterator("a", m); |
| assertEquals(m.getBits(), i.getEntryRawMode()); |
| assertSame(m, i.getEntryFileMode()); |
| } |
| } |
| |
| @Test |
| public void testEntryPath() { |
| FakeTreeIterator i = new FakeTreeIterator("a/b/cd", FileMode.TREE); |
| assertEquals("a/b/cd", i.getEntryPathString()); |
| assertEquals(2, i.getNameLength()); |
| byte[] b = new byte[3]; |
| b[0] = 0x0a; |
| i.getName(b, 1); |
| assertEquals(0x0a, b[0]); |
| assertEquals('c', b[1]); |
| assertEquals('d', b[2]); |
| } |
| |
| @Test |
| public void testCreateEmptyTreeIterator() { |
| FakeTreeIterator i = new FakeTreeIterator("a/b/cd", FileMode.TREE); |
| EmptyTreeIterator e = i.createEmptyTreeIterator(); |
| assertNotNull(e); |
| assertEquals(i.getEntryPathString() + "/", e.getEntryPathString()); |
| } |
| } |