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- /*
- * 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());
- }
- }
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