| /* |
| * Copyright (C) 2013, Robin Stocker <robin@nibor.org> 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 java.nio.charset.StandardCharsets.UTF_8; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.junit.Test; |
| |
| public class RawSubStringPatternTest extends RepositoryTestCase { |
| |
| @Test |
| public void testBoundary() { |
| assertMatchResult("a", "a", 0); |
| assertMatchResult("a", "abcd", 0); |
| assertMatchResult("ab", "abcd", 0); |
| assertMatchResult("abcd", "abcd", 0); |
| assertMatchResult("bc", "abcd", 1); |
| assertMatchResult("bcd", "abcd", 1); |
| assertMatchResult("cd", "abcd", 2); |
| assertMatchResult("d", "abcd", 3); |
| assertMatchResult("abab", "abaabab", 3); |
| } |
| |
| @Test |
| public void testNoMatches() { |
| assertMatchResult("a", "", -1); |
| assertMatchResult("a", "b", -1); |
| assertMatchResult("abab", "abaaba", -1); |
| assertMatchResult("ab", "ddda", -1); |
| } |
| |
| @Test |
| public void testCaseInsensitive() { |
| assertMatchResult("a", "A", 0); |
| assertMatchResult("A", "a", 0); |
| assertMatchResult("Ab", "aB", 0); |
| assertMatchResult("aB", "Ab", 0); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testEmptyPattern() { |
| assertNotNull(new RawSubStringPattern("")); |
| } |
| |
| private static void assertMatchResult(String pattern, String input, int position) { |
| RawSubStringPattern p = new RawSubStringPattern(pattern); |
| assertEquals("Expected match result " + position + " with input " |
| + input + " for pattern " + pattern, |
| position, p.match(raw(input))); |
| } |
| |
| private static RawCharSequence raw(String text) { |
| byte[] bytes = text.getBytes(UTF_8); |
| return new RawCharSequence(bytes, 0, bytes.length); |
| } |
| } |