| /* |
| * 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.commons; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.util.Map; |
| |
| import com.google.common.collect.Maps; |
| import org.junit.Test; |
| |
| /** |
| * Test the string utilities. |
| */ |
| public class StringUtilsTest { |
| |
| @Test |
| public void testBytesToHex() { |
| assertEquals("0123", StringUtils.convertBytesToHex(new byte[] {(byte) 0x01, (byte) 0x23})); |
| assertEquals("89bd", StringUtils.convertBytesToHex(new byte[] {(byte) 0x89, (byte) 0xbd})); |
| assertEquals("face", StringUtils.convertBytesToHex(new byte[] {(byte) 0xfa, (byte) 0xce})); |
| assertEquals("", StringUtils.convertBytesToHex(new byte[] {})); |
| } |
| |
| @Test(expected = NullPointerException.class) |
| public void testNullToHex() { |
| StringUtils.convertBytesToHex(null); |
| } |
| |
| @Test |
| public void testHexToBytes() { |
| IOUtilsTest.assertEquals(new byte[] {(byte) 0xfa, (byte) 0xce}, StringUtils.convertHexToBytes("face")); |
| IOUtilsTest.assertEquals(new byte[] {(byte) 0xfa, (byte) 0xce}, StringUtils.convertHexToBytes("fAcE")); |
| IOUtilsTest.assertEquals(new byte[] {(byte) 0xfa, (byte) 0xce}, StringUtils.convertHexToBytes("FaCe")); |
| IOUtilsTest.assertEquals(new byte[] {(byte) 0x09, (byte) 0xaf}, StringUtils.convertHexToBytes("09af")); |
| IOUtilsTest.assertEquals(new byte[] {}, StringUtils.convertHexToBytes("")); |
| } |
| |
| @Test |
| public void testInvalidHexToBytes() { |
| for (String s : new String[]{"120", "1/", "9:", "fast", "a`", "ag", "0@", "aG"}) { |
| try { |
| StringUtils.convertHexToBytes(s); |
| fail(); |
| } catch (IllegalArgumentException expected) { } |
| } |
| } |
| |
| @Test(expected = NullPointerException.class) |
| public void testNullToBytes() { |
| StringUtils.convertHexToBytes(null); |
| } |
| |
| @Test |
| public void testEstimateMemoryUsage() { |
| final Map<String, Integer> testStrings = Maps.newHashMap(); |
| testStrings.put(null, 0); |
| testStrings.put("", 48); |
| testStrings.put("a", 50); |
| testStrings.put("short string", 72); |
| testStrings.put("a much longer string than the one named 'short string'", 156); |
| for (final Map.Entry<String, Integer> e : testStrings.entrySet()) { |
| assertEquals(e.getValue().intValue(), StringUtils.estimateMemoryUsage(e.getKey())); |
| } |
| } |
| |
| } |