| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.client5.http.utils; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * {@link ByteArrayBuilder} test cases. |
| */ |
| public class TestByteArrayBuilder { |
| |
| @Test |
| public void testEmptyBuffer() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| final ByteBuffer byteBuffer = buffer.toByteBuffer(); |
| Assertions.assertNotNull(byteBuffer); |
| Assertions.assertEquals(0, byteBuffer.capacity()); |
| |
| final byte[] bytes = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes); |
| Assertions.assertEquals(0, bytes.length); |
| } |
| |
| @Test |
| public void testAppendBytes() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.append(new byte[]{1, 2, 3, 4, 5}); |
| buffer.append(new byte[]{3, 4, 5, 6, 7, 8, 9, 10, 11}, 3, 5); |
| buffer.append((byte[]) null); |
| |
| final byte[] bytes = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes); |
| Assertions.assertArrayEquals(new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, bytes); |
| } |
| |
| @Test |
| public void testInvalidAppendBytes() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.append((byte[])null, 0, 0); |
| |
| final byte[] tmp = new byte[] { 1, 2, 3, 4}; |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, -1, 0)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 0, -1)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 0, 8)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 10, Integer.MAX_VALUE)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 2, 4)); |
| } |
| |
| @Test |
| public void testEnsureCapacity() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.ensureFreeCapacity(10); |
| Assertions.assertEquals(10, buffer.capacity()); |
| buffer.ensureFreeCapacity(5); |
| Assertions.assertEquals(10, buffer.capacity()); |
| buffer.append(new byte[]{1, 2, 3, 4, 5, 6, 7, 8}); |
| buffer.ensureFreeCapacity(5); |
| Assertions.assertEquals(13, buffer.capacity()); |
| buffer.ensureFreeCapacity(15); |
| Assertions.assertEquals(23, buffer.capacity()); |
| } |
| |
| @Test |
| public void testAppendText() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.append(new char[]{'1', '2', '3', '4', '5'}); |
| buffer.append(new char[]{'3', '4', '5', '6', '7', '8', '9', 'a', 'b'}, 3, 5); |
| buffer.append("bcd"); |
| buffer.append("e"); |
| buffer.append("f"); |
| buffer.append(""); |
| buffer.append((String) null); |
| buffer.append((char[]) null); |
| |
| final byte[] bytes = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes); |
| Assertions.assertEquals("123456789abcdef", new String(bytes, StandardCharsets.US_ASCII)); |
| } |
| |
| @Test |
| public void testInvalidAppendChars() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.append((char[])null, 0, 0); |
| |
| final char[] tmp = new char[] { 1, 2, 3, 4}; |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, -1, 0)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 0, -1)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 0, 8)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 10, Integer.MAX_VALUE)); |
| Assertions.assertThrows(IndexOutOfBoundsException.class, () -> buffer.append(tmp, 2, 4)); |
| } |
| |
| @Test |
| public void testReset() throws Exception { |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.append("abcd"); |
| buffer.append("e"); |
| buffer.append("f"); |
| |
| final byte[] bytes1 = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes1); |
| Assertions.assertEquals("abcdef", new String(bytes1, StandardCharsets.US_ASCII)); |
| |
| buffer.reset(); |
| |
| final byte[] bytes2 = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes2); |
| Assertions.assertEquals("", new String(bytes2, StandardCharsets.US_ASCII)); |
| } |
| |
| @Test |
| public void testNonAsciiCharset() throws Exception { |
| final int[] germanChars = { 0xE4, 0x2D, 0xF6, 0x2D, 0xFc }; |
| final StringBuilder tmp = new StringBuilder(); |
| for (final int germanChar : germanChars) { |
| tmp.append((char) germanChar); |
| } |
| final String umlauts = tmp.toString(); |
| |
| |
| final ByteArrayBuilder buffer = new ByteArrayBuilder(); |
| buffer.append(umlauts); |
| |
| final byte[] bytes1 = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes1); |
| Assertions.assertEquals("?-?-?", new String(bytes1, StandardCharsets.US_ASCII)); |
| |
| buffer.reset(); |
| buffer.charset(StandardCharsets.UTF_8); |
| buffer.append(umlauts); |
| |
| final byte[] bytes2 = buffer.toByteArray(); |
| Assertions.assertNotNull(bytes2); |
| Assertions.assertEquals(umlauts, new String(bytes2, StandardCharsets.UTF_8)); |
| } |
| |
| } |