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/*
* Copyright (C) 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 org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import org.eclipse.jgit.lib.Constants;
import org.junit.Test;
public class RawParseUtils_HexParseTest {
@Test
public void testInt4_1() {
assertEquals(0, RawParseUtils.parseHexInt4((byte) '0'));
assertEquals(1, RawParseUtils.parseHexInt4((byte) '1'));
assertEquals(2, RawParseUtils.parseHexInt4((byte) '2'));
assertEquals(3, RawParseUtils.parseHexInt4((byte) '3'));
assertEquals(4, RawParseUtils.parseHexInt4((byte) '4'));
assertEquals(5, RawParseUtils.parseHexInt4((byte) '5'));
assertEquals(6, RawParseUtils.parseHexInt4((byte) '6'));
assertEquals(7, RawParseUtils.parseHexInt4((byte) '7'));
assertEquals(8, RawParseUtils.parseHexInt4((byte) '8'));
assertEquals(9, RawParseUtils.parseHexInt4((byte) '9'));
assertEquals(10, RawParseUtils.parseHexInt4((byte) 'a'));
assertEquals(11, RawParseUtils.parseHexInt4((byte) 'b'));
assertEquals(12, RawParseUtils.parseHexInt4((byte) 'c'));
assertEquals(13, RawParseUtils.parseHexInt4((byte) 'd'));
assertEquals(14, RawParseUtils.parseHexInt4((byte) 'e'));
assertEquals(15, RawParseUtils.parseHexInt4((byte) 'f'));
assertEquals(10, RawParseUtils.parseHexInt4((byte) 'A'));
assertEquals(11, RawParseUtils.parseHexInt4((byte) 'B'));
assertEquals(12, RawParseUtils.parseHexInt4((byte) 'C'));
assertEquals(13, RawParseUtils.parseHexInt4((byte) 'D'));
assertEquals(14, RawParseUtils.parseHexInt4((byte) 'E'));
assertEquals(15, RawParseUtils.parseHexInt4((byte) 'F'));
assertNotHex('q');
assertNotHex(' ');
assertNotHex('.');
}
private static void assertNotHex(char c) {
try {
RawParseUtils.parseHexInt4((byte) c);
fail("Incorrectly acccepted " + c);
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
}
@Test
public void testInt16() {
assertEquals(0x0000, parse16("0000"));
assertEquals(0x0001, parse16("0001"));
assertEquals(0x1234, parse16("1234"));
assertEquals(0xdead, parse16("dead"));
assertEquals(0xBEEF, parse16("BEEF"));
assertEquals(0x4321, parse16("4321"));
assertEquals(0xffff, parse16("ffff"));
try {
parse16("noth");
fail("Incorrectly acccepted \"noth\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
try {
parse16("01");
fail("Incorrectly acccepted \"01\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
try {
parse16("000.");
fail("Incorrectly acccepted \"000.\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
}
private static int parse16(final String str) {
return RawParseUtils.parseHexInt16(Constants.encodeASCII(str), 0);
}
@Test
public void testInt32() {
assertEquals(0x00000000, parse32("00000000"));
assertEquals(0x00000001, parse32("00000001"));
assertEquals(0xc0ffEE42, parse32("c0ffEE42"));
assertEquals(0xffffffff, parse32("ffffffff"));
assertEquals(-1, parse32("ffffffff"));
try {
parse32("noth");
fail("Incorrectly acccepted \"noth\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
try {
parse32("notahexs");
fail("Incorrectly acccepted \"notahexs\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
try {
parse32("01");
fail("Incorrectly acccepted \"01\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
try {
parse32("0000000.");
fail("Incorrectly acccepted \"0000000.\"");
} catch (ArrayIndexOutOfBoundsException e) {
// pass
}
}
private static int parse32(final String str) {
return RawParseUtils.parseHexInt32(Constants.encodeASCII(str), 0);
}
}
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