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/*
* Copyright (C) 2016, Google Inc. 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.util;
import static org.eclipse.jgit.util.Paths.compare;
import static org.eclipse.jgit.util.Paths.compareSameName;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.junit.Test;
public class PathsTest {
@Test
public void testStripTrailingSeparator() {
assertNull(Paths.stripTrailingSeparator(null));
assertEquals("", Paths.stripTrailingSeparator(""));
assertEquals("a", Paths.stripTrailingSeparator("a"));
assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo"));
assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo/"));
assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo//"));
assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo///"));
}
@Test
public void testPrefix() {
assertTrue(Paths.isEqualOrPrefix("a", "a"));
assertTrue(Paths.isEqualOrPrefix("a", "a/b"));
assertTrue(Paths.isEqualOrPrefix("a", "a/a.txt"));
assertFalse(Paths.isEqualOrPrefix("a", "ab"));
assertFalse(Paths.isEqualOrPrefix("a", "a.txt"));
assertFalse(Paths.isEqualOrPrefix("a", "b/a.txt"));
assertFalse(Paths.isEqualOrPrefix("a", "b/a"));
assertFalse(Paths.isEqualOrPrefix("a", "ab/a.txt"));
assertFalse(Paths.isEqualOrPrefix("", "a"));
assertTrue(Paths.isEqualOrPrefix("", ""));
assertTrue(Paths.isEqualOrPrefix("a/b", "a/b"));
assertTrue(Paths.isEqualOrPrefix("a/b", "a/b/c"));
assertFalse(Paths.isEqualOrPrefix("a/b", "a/bc"));
}
@Test
public void testPathCompare() {
byte[] a = Constants.encode("afoo/bar.c");
byte[] b = Constants.encode("bfoo/bar.c");
assertEquals(0, compare(a, 1, a.length, 0, b, 1, b.length, 0));
assertEquals(-1, compare(a, 0, a.length, 0, b, 0, b.length, 0));
assertEquals(1, compare(b, 0, b.length, 0, a, 0, a.length, 0));
a = Constants.encode("a");
b = Constants.encode("aa");
assertEquals(-97, compare(a, 0, a.length, 0, b, 0, b.length, 0));
assertEquals(0, compare(a, 0, a.length, 0, b, 0, 1, 0));
assertEquals(0, compare(a, 0, a.length, 0, b, 1, 2, 0));
assertEquals(0, compareSameName(a, 0, a.length, b, 1, b.length, 0));
assertEquals(0, compareSameName(a, 0, a.length, b, 0, 1, 0));
assertEquals(-50, compareSameName(a, 0, a.length, b, 0, b.length, 0));
assertEquals(97, compareSameName(b, 0, b.length, a, 0, a.length, 0));
a = Constants.encode("a");
b = Constants.encode("a");
assertEquals(0, compare(
a, 0, a.length, FileMode.TREE.getBits(),
b, 0, b.length, FileMode.TREE.getBits()));
assertEquals(0, compare(
a, 0, a.length, FileMode.REGULAR_FILE.getBits(),
b, 0, b.length, FileMode.REGULAR_FILE.getBits()));
assertEquals(-47, compare(
a, 0, a.length, FileMode.REGULAR_FILE.getBits(),
b, 0, b.length, FileMode.TREE.getBits()));
assertEquals(47, compare(
a, 0, a.length, FileMode.TREE.getBits(),
b, 0, b.length, FileMode.REGULAR_FILE.getBits()));
assertEquals(0, compareSameName(
a, 0, a.length,
b, 0, b.length, FileMode.TREE.getBits()));
assertEquals(0, compareSameName(
a, 0, a.length,
b, 0, b.length, FileMode.REGULAR_FILE.getBits()));
a = Constants.encode("a.c");
b = Constants.encode("a");
byte[] c = Constants.encode("a0c");
assertEquals(-1, compare(
a, 0, a.length, FileMode.REGULAR_FILE.getBits(),
b, 0, b.length, FileMode.TREE.getBits()));
assertEquals(-1, compare(
b, 0, b.length, FileMode.TREE.getBits(),
c, 0, c.length, FileMode.REGULAR_FILE.getBits()));
}
}
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