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/*
* Copyright (C) 2010, 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.US_ASCII;
import static org.eclipse.jgit.util.RawCharUtil.isWhitespace;
import static org.eclipse.jgit.util.RawCharUtil.trimLeadingWhitespace;
import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class RawCharUtilTest {
/**
* Test method for {@link RawCharUtil#isWhitespace(byte)}.
*/
@Test
public void testIsWhitespace() {
for (byte c = -128; c < 127; c++) {
switch (c) {
case (byte) '\r':
case (byte) '\n':
case (byte) '\t':
case (byte) ' ':
assertTrue(isWhitespace(c));
break;
default:
assertFalse(isWhitespace(c));
}
}
}
/**
* Test method for
* {@link RawCharUtil#trimTrailingWhitespace(byte[], int, int)}.
*/
@Test
public void testTrimTrailingWhitespace() {
assertEquals(0, trimTrailingWhitespace("".getBytes(US_ASCII), 0, 0));
assertEquals(0, trimTrailingWhitespace(" ".getBytes(US_ASCII), 0, 1));
assertEquals(1, trimTrailingWhitespace("a ".getBytes(US_ASCII), 0, 2));
assertEquals(2, trimTrailingWhitespace(" a ".getBytes(US_ASCII), 0, 3));
assertEquals(3, trimTrailingWhitespace(" a".getBytes(US_ASCII), 0, 3));
assertEquals(6,
trimTrailingWhitespace(" test ".getBytes(US_ASCII), 2, 9));
}
/**
* Test method for
* {@link RawCharUtil#trimLeadingWhitespace(byte[], int, int)}.
*/
@Test
public void testTrimLeadingWhitespace() {
assertEquals(0, trimLeadingWhitespace("".getBytes(US_ASCII), 0, 0));
assertEquals(1, trimLeadingWhitespace(" ".getBytes(US_ASCII), 0, 1));
assertEquals(0, trimLeadingWhitespace("a ".getBytes(US_ASCII), 0, 2));
assertEquals(1, trimLeadingWhitespace(" a ".getBytes(US_ASCII), 0, 3));
assertEquals(2, trimLeadingWhitespace(" a".getBytes(US_ASCII), 0, 3));
assertEquals(2,
trimLeadingWhitespace(" test ".getBytes(US_ASCII),
2, 9));
}
}
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