| /* |
| * Copyright (C) 2008-2009, 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 java.nio.charset.StandardCharsets.ISO_8859_1; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertThrows; |
| |
| import org.eclipse.jgit.errors.BinaryBlobException; |
| import org.junit.Test; |
| |
| public class RawParseUtils_LineMapTest { |
| |
| @Test |
| public void testEmpty() throws Exception { |
| final IntList map = RawParseUtils.lineMap(new byte[] {}, 0, 0); |
| assertNotNull(map); |
| assertArrayEquals(new int[]{Integer.MIN_VALUE, 0}, asInts(map)); |
| } |
| |
| @Test |
| public void testOneBlankLine() throws Exception { |
| final IntList map = RawParseUtils.lineMap(new byte[] { '\n' }, 0, 1); |
| assertArrayEquals(new int[]{Integer.MIN_VALUE, 0, 1}, asInts(map)); |
| } |
| |
| @Test |
| public void testTwoLineFooBar() { |
| final byte[] buf = "foo\nbar\n".getBytes(ISO_8859_1); |
| final IntList map = RawParseUtils.lineMap(buf, 0, buf.length); |
| assertArrayEquals(new int[]{Integer.MIN_VALUE, 0, 4, buf.length}, asInts(map)); |
| } |
| |
| @Test |
| public void testTwoLineNoLF() { |
| final byte[] buf = "foo\nbar".getBytes(ISO_8859_1); |
| final IntList map = RawParseUtils.lineMap(buf, 0, buf.length); |
| assertArrayEquals(new int[]{Integer.MIN_VALUE, 0, 4, buf.length}, asInts(map)); |
| } |
| |
| @Test |
| public void testNulByte() { |
| final byte[] buf = "xxxfoo\nb\0ar".getBytes(ISO_8859_1); |
| final IntList map = RawParseUtils.lineMap(buf, 3, buf.length); |
| assertArrayEquals(new int[] { Integer.MIN_VALUE, 3, 7, buf.length }, |
| asInts(map)); |
| } |
| |
| @Test |
| public void testLineMapOrBinary() throws Exception { |
| final byte[] buf = "xxxfoo\nb\0ar".getBytes(ISO_8859_1); |
| assertThrows(BinaryBlobException.class, |
| () -> RawParseUtils.lineMapOrBinary(buf, 3, buf.length)); |
| } |
| |
| @Test |
| public void testFourLineBlanks() { |
| final byte[] buf = "foo\n\n\nbar\n".getBytes(ISO_8859_1); |
| final IntList map = RawParseUtils.lineMap(buf, 0, buf.length); |
| |
| assertArrayEquals(new int[]{ |
| Integer.MIN_VALUE, 0, 4, 5, 6, buf.length |
| }, asInts(map)); |
| } |
| |
| private int[] asInts(IntList l) { |
| int[] result = new int[l.size()]; |
| for (int i = 0; i < l.size(); i++) { |
| result[i] = l.get(i); |
| } |
| return result; |
| } |
| } |