64 lines
1.5 KiB
Java
64 lines
1.5 KiB
Java
// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package sop.util;
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import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import java.nio.charset.Charset;
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import org.junit.jupiter.api.Test;
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/**
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* Test using some test vectors from RFC4648.
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*
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* @see <a href="https://datatracker.ietf.org/doc/html/rfc4648#section-10">RFC-4648 §10: Test Vectors</a>
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*/
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public class HexUtilTest {
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@SuppressWarnings("CharsetObjectCanBeUsed")
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private static final Charset ASCII = Charset.forName("US-ASCII");
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@Test
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public void emptyHexEncodeTest() {
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assertHexEquals("", "");
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}
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@Test
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public void encodeF() {
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assertHexEquals("66", "f");
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}
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@Test
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public void encodeFo() {
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assertHexEquals("666F", "fo");
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}
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@Test
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public void encodeFoo() {
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assertHexEquals("666F6F", "foo");
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}
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@Test
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public void encodeFoob() {
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assertHexEquals("666F6F62", "foob");
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}
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@Test
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public void encodeFooba() {
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assertHexEquals("666F6F6261", "fooba");
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}
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@Test
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public void encodeFoobar() {
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assertHexEquals("666F6F626172", "foobar");
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}
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private void assertHexEquals(String hex, String ascii) {
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assertEquals(hex, HexUtil.bytesToHex(ascii.getBytes(ASCII)));
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assertArrayEquals(ascii.getBytes(ASCII), HexUtil.hexToBytes(hex));
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}
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}
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