forked from MirrorHub/authlib-injector
67 lines
2.5 KiB
Java
67 lines
2.5 KiB
Java
/*
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* Copyright (C) 2022 Haowei Wen <yushijinhun@gmail.com> and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package moe.yushi.authlibinjector.internal.fi.iki.elonen;
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import static moe.yushi.authlibinjector.util.IOUtils.asBytes;
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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 static org.junit.jupiter.api.Assertions.assertThrows;
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import java.io.ByteArrayInputStream;
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import java.io.EOFException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Arrays;
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import org.junit.jupiter.api.Test;
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@SuppressWarnings("resource")
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public class FixedLengthInputStreamTest {
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@Test
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public void testRead1() throws IOException {
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byte[] data = new byte[] { 0x11, 0x22, 0x33, 0x44, 0x55 };
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ByteArrayInputStream underlying = new ByteArrayInputStream(data);
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InputStream in = new FixedLengthInputStream(underlying, 5);
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assertArrayEquals(data, asBytes(in));
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assertEquals(underlying.read(), -1);
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}
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@Test
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public void testRead2() throws IOException {
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byte[] data = new byte[] { 0x11, 0x22, 0x33, 0x44, 0x55 };
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ByteArrayInputStream underlying = new ByteArrayInputStream(data);
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InputStream in = new FixedLengthInputStream(underlying, 4);
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assertArrayEquals(Arrays.copyOf(data, 4), asBytes(in));
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assertEquals(underlying.read(), 0x55);
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}
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@Test
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public void testRead3() throws IOException {
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byte[] data = new byte[] { 0x11 };
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ByteArrayInputStream underlying = new ByteArrayInputStream(data);
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InputStream in = new FixedLengthInputStream(underlying, 0);
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assertArrayEquals(new byte[0], asBytes(in));
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assertEquals(underlying.read(), 0x11);
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}
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@Test
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public void testReadEOF() throws IOException {
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byte[] data = new byte[] { 0x11, 0x22, 0x33, 0x44, 0x55 };
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InputStream in = new FixedLengthInputStream(new ByteArrayInputStream(data), 6);
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assertThrows(EOFException.class, () -> asBytes(in));
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}
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}
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