| /* |
| * 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. |
| */ |
| package org.apache.jackrabbit.oak.segment.util; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.UUID; |
| |
| import org.junit.Test; |
| |
| public class CharsetEncodingUtilsTest { |
| |
| private static char[] SURROGATE_PAIR = Character.toChars(0x1f4a9); |
| |
| @Test |
| public void encodeValid() throws IOException { |
| |
| // a a-umlaut euro plane-1-char |
| String test = "a \u00E4 \u20ac " + new String(SURROGATE_PAIR); |
| |
| byte[] withStringClass = test.getBytes(StandardCharsets.UTF_8); |
| byte[] withUtilsClass = CharsetEncodingUtils.encodeAsUTF8(test); |
| assertArrayEquals(withStringClass, withUtilsClass); |
| assertEquals(test, new String(withUtilsClass, StandardCharsets.UTF_8)); |
| } |
| |
| @Test |
| public void encodeInValid() { |
| |
| // a a-umlaut euro plane-1-char, second char in surrogate pair missing |
| String test = "a \u00E4 \u20ac " + SURROGATE_PAIR[0]; |
| |
| try { |
| CharsetEncodingUtils.encodeAsUTF8(test); |
| fail("expected encoding to fail"); |
| } catch (IOException expected) { |
| // expected |
| } |
| } |
| |
| @Test |
| public void encodeMultiThreaded() throws InterruptedException { |
| |
| int tc = 20; |
| |
| Thread[] threads = new Thread[tc]; |
| |
| for (int i = 0; i < tc; i++) { |
| threads[i] = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| // encode and decode 100 random UUID strings |
| for (int j = 0; j < 100; j++) { |
| String test = UUID.randomUUID().toString(); |
| String roundtripped = null; |
| try { |
| byte[] bytes = CharsetEncodingUtils.encodeAsUTF8(test); |
| roundtripped = new String(bytes, StandardCharsets.UTF_8); |
| } catch (IOException exignored) { |
| } |
| assertEquals(test, roundtripped); |
| } |
| |
| } |
| }); |
| } |
| for (int i = 0; i < tc; i++) { |
| threads[i].start(); |
| } |
| for (int i = 0; i < tc; i++) { |
| threads[i].join(); |
| } |
| } |
| } |