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- /*
- * 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;
- }
- }
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