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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertFalse;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertNotNull;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import static org.junit.Assert.assertNotSame;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import static org.junit.Assert.assertTrue;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import static org.junit.Assert.fail;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.io.ByteArrayInputStream;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.io.ByteArrayOutputStream;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.io.DataInputStream;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.io.DataOutputStream;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.io.IOException;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.lang.reflect.Field;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.lang.reflect.Modifier;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.math.BigDecimal;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.nio.ByteBuffer;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.ArrayList;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import java.util.Arrays;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import java.util.List;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import java.util.Random;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.unsafe.HBasePlatformDependent;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.io.WritableUtils;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.junit.Assert;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.junit.ClassRule;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.junit.Test;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.junit.experimental.categories.Category;<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span>@Category({ MiscTests.class, MediumTests.class })<a name="line.52"></a>
<span class="sourceLineNo">053</span>public class TestBytes {<a name="line.53"></a>
<span class="sourceLineNo">054</span> @ClassRule<a name="line.54"></a>
<span class="sourceLineNo">055</span> public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestBytes.class);<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> private static void setUnsafe(boolean value) throws Exception {<a name="line.57"></a>
<span class="sourceLineNo">058</span> Field field = Bytes.class.getDeclaredField("UNSAFE_UNALIGNED");<a name="line.58"></a>
<span class="sourceLineNo">059</span> field.setAccessible(true);<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> Field modifiersField = ReflectionUtils.getModifiersField();<a name="line.61"></a>
<span class="sourceLineNo">062</span> modifiersField.setAccessible(true);<a name="line.62"></a>
<span class="sourceLineNo">063</span> int oldModifiers = field.getModifiers();<a name="line.63"></a>
<span class="sourceLineNo">064</span> modifiersField.setInt(field, oldModifiers &amp; ~Modifier.FINAL);<a name="line.64"></a>
<span class="sourceLineNo">065</span> try {<a name="line.65"></a>
<span class="sourceLineNo">066</span> field.set(null, value);<a name="line.66"></a>
<span class="sourceLineNo">067</span> } finally {<a name="line.67"></a>
<span class="sourceLineNo">068</span> modifiersField.setInt(field, oldModifiers);<a name="line.68"></a>
<span class="sourceLineNo">069</span> }<a name="line.69"></a>
<span class="sourceLineNo">070</span> assertEquals(Bytes.UNSAFE_UNALIGNED, value);<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> @Test<a name="line.73"></a>
<span class="sourceLineNo">074</span> public void testShort() throws Exception {<a name="line.74"></a>
<span class="sourceLineNo">075</span> testShort(false);<a name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> @Test<a name="line.78"></a>
<span class="sourceLineNo">079</span> public void testShortUnsafe() throws Exception {<a name="line.79"></a>
<span class="sourceLineNo">080</span> testShort(true);<a name="line.80"></a>
<span class="sourceLineNo">081</span> }<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span> private static void testShort(boolean unsafe) throws Exception {<a name="line.83"></a>
<span class="sourceLineNo">084</span> setUnsafe(unsafe);<a name="line.84"></a>
<span class="sourceLineNo">085</span> try {<a name="line.85"></a>
<span class="sourceLineNo">086</span> for (short n : Arrays.asList(Short.MIN_VALUE, (short) -100, (short) -1, (short) 0, (short) 1,<a name="line.86"></a>
<span class="sourceLineNo">087</span> (short) 300, Short.MAX_VALUE)) {<a name="line.87"></a>
<span class="sourceLineNo">088</span> byte[] bytes = Bytes.toBytes(n);<a name="line.88"></a>
<span class="sourceLineNo">089</span> assertEquals(Bytes.toShort(bytes, 0, bytes.length), n);<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span> } finally {<a name="line.91"></a>
<span class="sourceLineNo">092</span> setUnsafe(HBasePlatformDependent.unaligned());<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span> @Test<a name="line.96"></a>
<span class="sourceLineNo">097</span> public void testNullHashCode() {<a name="line.97"></a>
<span class="sourceLineNo">098</span> byte[] b = null;<a name="line.98"></a>
<span class="sourceLineNo">099</span> Exception ee = null;<a name="line.99"></a>
<span class="sourceLineNo">100</span> try {<a name="line.100"></a>
<span class="sourceLineNo">101</span> Bytes.hashCode(b);<a name="line.101"></a>
<span class="sourceLineNo">102</span> } catch (Exception e) {<a name="line.102"></a>
<span class="sourceLineNo">103</span> ee = e;<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> assertNotNull(ee);<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span> @Test<a name="line.108"></a>
<span class="sourceLineNo">109</span> public void testAdd() {<a name="line.109"></a>
<span class="sourceLineNo">110</span> byte[] a = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };<a name="line.110"></a>
<span class="sourceLineNo">111</span> byte[] b = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };<a name="line.111"></a>
<span class="sourceLineNo">112</span> byte[] c = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 };<a name="line.112"></a>
<span class="sourceLineNo">113</span> byte[] d = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };<a name="line.113"></a>
<span class="sourceLineNo">114</span> byte[] result1 = Bytes.add(a, b, c);<a name="line.114"></a>
<span class="sourceLineNo">115</span> byte[] result2 = Bytes.add(new byte[][] { a, b, c });<a name="line.115"></a>
<span class="sourceLineNo">116</span> assertEquals(0, Bytes.compareTo(result1, result2));<a name="line.116"></a>
<span class="sourceLineNo">117</span> byte[] result4 = Bytes.add(result1, d);<a name="line.117"></a>
<span class="sourceLineNo">118</span> byte[] result5 = Bytes.add(new byte[][] { result1, d });<a name="line.118"></a>
<span class="sourceLineNo">119</span> assertEquals(0, Bytes.compareTo(result1, result2));<a name="line.119"></a>
<span class="sourceLineNo">120</span> }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span> @Test<a name="line.122"></a>
<span class="sourceLineNo">123</span> public void testSplit() {<a name="line.123"></a>
<span class="sourceLineNo">124</span> byte[] lowest = Bytes.toBytes("AAA");<a name="line.124"></a>
<span class="sourceLineNo">125</span> byte[] middle = Bytes.toBytes("CCC");<a name="line.125"></a>
<span class="sourceLineNo">126</span> byte[] highest = Bytes.toBytes("EEE");<a name="line.126"></a>
<span class="sourceLineNo">127</span> byte[][] parts = Bytes.split(lowest, highest, 1);<a name="line.127"></a>
<span class="sourceLineNo">128</span> for (byte[] bytes : parts) {<a name="line.128"></a>
<span class="sourceLineNo">129</span> System.out.println(Bytes.toString(bytes));<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> assertEquals(3, parts.length);<a name="line.131"></a>
<span class="sourceLineNo">132</span> assertTrue(Bytes.equals(parts[1], middle));<a name="line.132"></a>
<span class="sourceLineNo">133</span> // Now divide into three parts. Change highest so split is even.<a name="line.133"></a>
<span class="sourceLineNo">134</span> highest = Bytes.toBytes("DDD");<a name="line.134"></a>
<span class="sourceLineNo">135</span> parts = Bytes.split(lowest, highest, 2);<a name="line.135"></a>
<span class="sourceLineNo">136</span> for (byte[] part : parts) {<a name="line.136"></a>
<span class="sourceLineNo">137</span> System.out.println(Bytes.toString(part));<a name="line.137"></a>
<span class="sourceLineNo">138</span> }<a name="line.138"></a>
<span class="sourceLineNo">139</span> assertEquals(4, parts.length);<a name="line.139"></a>
<span class="sourceLineNo">140</span> // Assert that 3rd part is 'CCC'.<a name="line.140"></a>
<span class="sourceLineNo">141</span> assertTrue(Bytes.equals(parts[2], middle));<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span> @Test<a name="line.144"></a>
<span class="sourceLineNo">145</span> public void testSplit2() {<a name="line.145"></a>
<span class="sourceLineNo">146</span> // More split tests.<a name="line.146"></a>
<span class="sourceLineNo">147</span> byte[] lowest = Bytes.toBytes("http://A");<a name="line.147"></a>
<span class="sourceLineNo">148</span> byte[] highest = Bytes.toBytes("http://z");<a name="line.148"></a>
<span class="sourceLineNo">149</span> byte[] middle = Bytes.toBytes("http://]");<a name="line.149"></a>
<span class="sourceLineNo">150</span> byte[][] parts = Bytes.split(lowest, highest, 1);<a name="line.150"></a>
<span class="sourceLineNo">151</span> for (byte[] part : parts) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> System.out.println(Bytes.toString(part));<a name="line.152"></a>
<span class="sourceLineNo">153</span> }<a name="line.153"></a>
<span class="sourceLineNo">154</span> assertEquals(3, parts.length);<a name="line.154"></a>
<span class="sourceLineNo">155</span> assertTrue(Bytes.equals(parts[1], middle));<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> @Test<a name="line.158"></a>
<span class="sourceLineNo">159</span> public void testSplit3() {<a name="line.159"></a>
<span class="sourceLineNo">160</span> // Test invalid split cases<a name="line.160"></a>
<span class="sourceLineNo">161</span> byte[] low = { 1, 1, 1 };<a name="line.161"></a>
<span class="sourceLineNo">162</span> byte[] high = { 1, 1, 3 };<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span> // If swapped, should throw IAE<a name="line.164"></a>
<span class="sourceLineNo">165</span> try {<a name="line.165"></a>
<span class="sourceLineNo">166</span> Bytes.split(high, low, 1);<a name="line.166"></a>
<span class="sourceLineNo">167</span> fail("Should not be able to split if low &gt; high");<a name="line.167"></a>
<span class="sourceLineNo">168</span> } catch (IllegalArgumentException iae) {<a name="line.168"></a>
<span class="sourceLineNo">169</span> // Correct<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> // Single split should work<a name="line.172"></a>
<span class="sourceLineNo">173</span> byte[][] parts = Bytes.split(low, high, 1);<a name="line.173"></a>
<span class="sourceLineNo">174</span> for (int i = 0; i &lt; parts.length; i++) {<a name="line.174"></a>
<span class="sourceLineNo">175</span> System.out.println("" + i + " -&gt; " + Bytes.toStringBinary(parts[i]));<a name="line.175"></a>
<span class="sourceLineNo">176</span> }<a name="line.176"></a>
<span class="sourceLineNo">177</span> assertEquals("Returned split should have 3 parts but has " + parts.length, 3, parts.length);<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span> // If split more than once, use additional byte to split<a name="line.179"></a>
<span class="sourceLineNo">180</span> parts = Bytes.split(low, high, 2);<a name="line.180"></a>
<span class="sourceLineNo">181</span> assertNotNull("Split with an additional byte", parts);<a name="line.181"></a>
<span class="sourceLineNo">182</span> assertEquals(parts.length, low.length + 1);<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span> // Split 0 times should throw IAE<a name="line.184"></a>
<span class="sourceLineNo">185</span> try {<a name="line.185"></a>
<span class="sourceLineNo">186</span> Bytes.split(low, high, 0);<a name="line.186"></a>
<span class="sourceLineNo">187</span> fail("Should not be able to split 0 times");<a name="line.187"></a>
<span class="sourceLineNo">188</span> } catch (IllegalArgumentException iae) {<a name="line.188"></a>
<span class="sourceLineNo">189</span> // Correct<a name="line.189"></a>
<span class="sourceLineNo">190</span> }<a name="line.190"></a>
<span class="sourceLineNo">191</span> }<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span> @Test<a name="line.193"></a>
<span class="sourceLineNo">194</span> public void testToInt() {<a name="line.194"></a>
<span class="sourceLineNo">195</span> int[] ints = { -1, 123, Integer.MIN_VALUE, Integer.MAX_VALUE };<a name="line.195"></a>
<span class="sourceLineNo">196</span> for (int anInt : ints) {<a name="line.196"></a>
<span class="sourceLineNo">197</span> byte[] b = Bytes.toBytes(anInt);<a name="line.197"></a>
<span class="sourceLineNo">198</span> assertEquals(anInt, Bytes.toInt(b));<a name="line.198"></a>
<span class="sourceLineNo">199</span> byte[] b2 = bytesWithOffset(b);<a name="line.199"></a>
<span class="sourceLineNo">200</span> assertEquals(anInt, Bytes.toInt(b2, 1));<a name="line.200"></a>
<span class="sourceLineNo">201</span> assertEquals(anInt, Bytes.toInt(b2, 1, Bytes.SIZEOF_INT));<a name="line.201"></a>
<span class="sourceLineNo">202</span> }<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span> @Test<a name="line.205"></a>
<span class="sourceLineNo">206</span> public void testToLong() {<a name="line.206"></a>
<span class="sourceLineNo">207</span> long[] longs = { -1L, 123L, Long.MIN_VALUE, Long.MAX_VALUE };<a name="line.207"></a>
<span class="sourceLineNo">208</span> for (long aLong : longs) {<a name="line.208"></a>
<span class="sourceLineNo">209</span> byte[] b = Bytes.toBytes(aLong);<a name="line.209"></a>
<span class="sourceLineNo">210</span> assertEquals(aLong, Bytes.toLong(b));<a name="line.210"></a>
<span class="sourceLineNo">211</span> byte[] b2 = bytesWithOffset(b);<a name="line.211"></a>
<span class="sourceLineNo">212</span> assertEquals(aLong, Bytes.toLong(b2, 1));<a name="line.212"></a>
<span class="sourceLineNo">213</span> assertEquals(aLong, Bytes.toLong(b2, 1, Bytes.SIZEOF_LONG));<a name="line.213"></a>
<span class="sourceLineNo">214</span> }<a name="line.214"></a>
<span class="sourceLineNo">215</span> }<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span> @Test<a name="line.217"></a>
<span class="sourceLineNo">218</span> public void testToFloat() {<a name="line.218"></a>
<span class="sourceLineNo">219</span> float[] floats = { -1f, 123.123f, Float.MAX_VALUE };<a name="line.219"></a>
<span class="sourceLineNo">220</span> for (float aFloat : floats) {<a name="line.220"></a>
<span class="sourceLineNo">221</span> byte[] b = Bytes.toBytes(aFloat);<a name="line.221"></a>
<span class="sourceLineNo">222</span> assertEquals(aFloat, Bytes.toFloat(b), 0.0f);<a name="line.222"></a>
<span class="sourceLineNo">223</span> byte[] b2 = bytesWithOffset(b);<a name="line.223"></a>
<span class="sourceLineNo">224</span> assertEquals(aFloat, Bytes.toFloat(b2, 1), 0.0f);<a name="line.224"></a>
<span class="sourceLineNo">225</span> }<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span> @Test<a name="line.228"></a>
<span class="sourceLineNo">229</span> public void testToDouble() {<a name="line.229"></a>
<span class="sourceLineNo">230</span> double[] doubles = { Double.MIN_VALUE, Double.MAX_VALUE };<a name="line.230"></a>
<span class="sourceLineNo">231</span> for (double aDouble : doubles) {<a name="line.231"></a>
<span class="sourceLineNo">232</span> byte[] b = Bytes.toBytes(aDouble);<a name="line.232"></a>
<span class="sourceLineNo">233</span> assertEquals(aDouble, Bytes.toDouble(b), 0.0);<a name="line.233"></a>
<span class="sourceLineNo">234</span> byte[] b2 = bytesWithOffset(b);<a name="line.234"></a>
<span class="sourceLineNo">235</span> assertEquals(aDouble, Bytes.toDouble(b2, 1), 0.0);<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span><a name="line.238"></a>
<span class="sourceLineNo">239</span> @Test<a name="line.239"></a>
<span class="sourceLineNo">240</span> public void testToBigDecimal() {<a name="line.240"></a>
<span class="sourceLineNo">241</span> BigDecimal[] decimals =<a name="line.241"></a>
<span class="sourceLineNo">242</span> { new BigDecimal("-1"), new BigDecimal("123.123"), new BigDecimal("123123123123") };<a name="line.242"></a>
<span class="sourceLineNo">243</span> for (BigDecimal decimal : decimals) {<a name="line.243"></a>
<span class="sourceLineNo">244</span> byte[] b = Bytes.toBytes(decimal);<a name="line.244"></a>
<span class="sourceLineNo">245</span> assertEquals(decimal, Bytes.toBigDecimal(b));<a name="line.245"></a>
<span class="sourceLineNo">246</span> byte[] b2 = bytesWithOffset(b);<a name="line.246"></a>
<span class="sourceLineNo">247</span> assertEquals(decimal, Bytes.toBigDecimal(b2, 1, b.length));<a name="line.247"></a>
<span class="sourceLineNo">248</span> }<a name="line.248"></a>
<span class="sourceLineNo">249</span> }<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span> private byte[] bytesWithOffset(byte[] src) {<a name="line.251"></a>
<span class="sourceLineNo">252</span> // add one byte in front to test offset<a name="line.252"></a>
<span class="sourceLineNo">253</span> byte[] result = new byte[src.length + 1];<a name="line.253"></a>
<span class="sourceLineNo">254</span> result[0] = (byte) 0xAA;<a name="line.254"></a>
<span class="sourceLineNo">255</span> System.arraycopy(src, 0, result, 1, src.length);<a name="line.255"></a>
<span class="sourceLineNo">256</span> return result;<a name="line.256"></a>
<span class="sourceLineNo">257</span> }<a name="line.257"></a>
<span class="sourceLineNo">258</span><a name="line.258"></a>
<span class="sourceLineNo">259</span> @Test<a name="line.259"></a>
<span class="sourceLineNo">260</span> public void testToBytesForByteBuffer() {<a name="line.260"></a>
<span class="sourceLineNo">261</span> byte[] array = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };<a name="line.261"></a>
<span class="sourceLineNo">262</span> ByteBuffer target = ByteBuffer.wrap(array);<a name="line.262"></a>
<span class="sourceLineNo">263</span> target.position(2);<a name="line.263"></a>
<span class="sourceLineNo">264</span> target.limit(7);<a name="line.264"></a>
<span class="sourceLineNo">265</span><a name="line.265"></a>
<span class="sourceLineNo">266</span> byte[] actual = Bytes.toBytes(target);<a name="line.266"></a>
<span class="sourceLineNo">267</span> byte[] expected = { 0, 1, 2, 3, 4, 5, 6 };<a name="line.267"></a>
<span class="sourceLineNo">268</span> assertArrayEquals(expected, actual);<a name="line.268"></a>
<span class="sourceLineNo">269</span> assertEquals(2, target.position());<a name="line.269"></a>
<span class="sourceLineNo">270</span> assertEquals(7, target.limit());<a name="line.270"></a>
<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span> ByteBuffer target2 = target.slice();<a name="line.272"></a>
<span class="sourceLineNo">273</span> assertEquals(0, target2.position());<a name="line.273"></a>
<span class="sourceLineNo">274</span> assertEquals(5, target2.limit());<a name="line.274"></a>
<span class="sourceLineNo">275</span><a name="line.275"></a>
<span class="sourceLineNo">276</span> byte[] actual2 = Bytes.toBytes(target2);<a name="line.276"></a>
<span class="sourceLineNo">277</span> byte[] expected2 = { 2, 3, 4, 5, 6 };<a name="line.277"></a>
<span class="sourceLineNo">278</span> assertArrayEquals(expected2, actual2);<a name="line.278"></a>
<span class="sourceLineNo">279</span> assertEquals(0, target2.position());<a name="line.279"></a>
<span class="sourceLineNo">280</span> assertEquals(5, target2.limit());<a name="line.280"></a>
<span class="sourceLineNo">281</span> }<a name="line.281"></a>
<span class="sourceLineNo">282</span><a name="line.282"></a>
<span class="sourceLineNo">283</span> @Test<a name="line.283"></a>
<span class="sourceLineNo">284</span> public void testGetBytesForByteBuffer() {<a name="line.284"></a>
<span class="sourceLineNo">285</span> byte[] array = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };<a name="line.285"></a>
<span class="sourceLineNo">286</span> ByteBuffer target = ByteBuffer.wrap(array);<a name="line.286"></a>
<span class="sourceLineNo">287</span> target.position(2);<a name="line.287"></a>
<span class="sourceLineNo">288</span> target.limit(7);<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
<span class="sourceLineNo">290</span> byte[] actual = Bytes.getBytes(target);<a name="line.290"></a>
<span class="sourceLineNo">291</span> byte[] expected = { 2, 3, 4, 5, 6 };<a name="line.291"></a>
<span class="sourceLineNo">292</span> assertArrayEquals(expected, actual);<a name="line.292"></a>
<span class="sourceLineNo">293</span> assertEquals(2, target.position());<a name="line.293"></a>
<span class="sourceLineNo">294</span> assertEquals(7, target.limit());<a name="line.294"></a>
<span class="sourceLineNo">295</span> }<a name="line.295"></a>
<span class="sourceLineNo">296</span><a name="line.296"></a>
<span class="sourceLineNo">297</span> @Test<a name="line.297"></a>
<span class="sourceLineNo">298</span> public void testReadAsVLong() throws Exception {<a name="line.298"></a>
<span class="sourceLineNo">299</span> long[] longs = { -1L, 123L, Long.MIN_VALUE, Long.MAX_VALUE };<a name="line.299"></a>
<span class="sourceLineNo">300</span> for (long aLong : longs) {<a name="line.300"></a>
<span class="sourceLineNo">301</span> ByteArrayOutputStream baos = new ByteArrayOutputStream();<a name="line.301"></a>
<span class="sourceLineNo">302</span> DataOutputStream output = new DataOutputStream(baos);<a name="line.302"></a>
<span class="sourceLineNo">303</span> WritableUtils.writeVLong(output, aLong);<a name="line.303"></a>
<span class="sourceLineNo">304</span> byte[] long_bytes_no_offset = baos.toByteArray();<a name="line.304"></a>
<span class="sourceLineNo">305</span> assertEquals(aLong, Bytes.readAsVLong(long_bytes_no_offset, 0));<a name="line.305"></a>
<span class="sourceLineNo">306</span> byte[] long_bytes_with_offset = bytesWithOffset(long_bytes_no_offset);<a name="line.306"></a>
<span class="sourceLineNo">307</span> assertEquals(aLong, Bytes.readAsVLong(long_bytes_with_offset, 1));<a name="line.307"></a>
<span class="sourceLineNo">308</span> }<a name="line.308"></a>
<span class="sourceLineNo">309</span> }<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span> @Test<a name="line.311"></a>
<span class="sourceLineNo">312</span> public void testToStringBinaryForBytes() {<a name="line.312"></a>
<span class="sourceLineNo">313</span> byte[] array = { '0', '9', 'a', 'z', 'A', 'Z', '@', 1 };<a name="line.313"></a>
<span class="sourceLineNo">314</span> String actual = Bytes.toStringBinary(array);<a name="line.314"></a>
<span class="sourceLineNo">315</span> String expected = "09azAZ@\\x01";<a name="line.315"></a>
<span class="sourceLineNo">316</span> assertEquals(expected, actual);<a name="line.316"></a>
<span class="sourceLineNo">317</span><a name="line.317"></a>
<span class="sourceLineNo">318</span> String actual2 = Bytes.toStringBinary(array, 2, 3);<a name="line.318"></a>
<span class="sourceLineNo">319</span> String expected2 = "azA";<a name="line.319"></a>
<span class="sourceLineNo">320</span> assertEquals(expected2, actual2);<a name="line.320"></a>
<span class="sourceLineNo">321</span> }<a name="line.321"></a>
<span class="sourceLineNo">322</span><a name="line.322"></a>
<span class="sourceLineNo">323</span> @Test<a name="line.323"></a>
<span class="sourceLineNo">324</span> public void testToStringBinaryForArrayBasedByteBuffer() {<a name="line.324"></a>
<span class="sourceLineNo">325</span> byte[] array = { '0', '9', 'a', 'z', 'A', 'Z', '@', 1 };<a name="line.325"></a>
<span class="sourceLineNo">326</span> ByteBuffer target = ByteBuffer.wrap(array);<a name="line.326"></a>
<span class="sourceLineNo">327</span> String actual = Bytes.toStringBinary(target);<a name="line.327"></a>
<span class="sourceLineNo">328</span> String expected = "09azAZ@\\x01";<a name="line.328"></a>
<span class="sourceLineNo">329</span> assertEquals(expected, actual);<a name="line.329"></a>
<span class="sourceLineNo">330</span> }<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span> @Test<a name="line.332"></a>
<span class="sourceLineNo">333</span> public void testToStringBinaryForReadOnlyByteBuffer() {<a name="line.333"></a>
<span class="sourceLineNo">334</span> byte[] array = { '0', '9', 'a', 'z', 'A', 'Z', '@', 1 };<a name="line.334"></a>
<span class="sourceLineNo">335</span> ByteBuffer target = ByteBuffer.wrap(array).asReadOnlyBuffer();<a name="line.335"></a>
<span class="sourceLineNo">336</span> String actual = Bytes.toStringBinary(target);<a name="line.336"></a>
<span class="sourceLineNo">337</span> String expected = "09azAZ@\\x01";<a name="line.337"></a>
<span class="sourceLineNo">338</span> assertEquals(expected, actual);<a name="line.338"></a>
<span class="sourceLineNo">339</span> }<a name="line.339"></a>
<span class="sourceLineNo">340</span><a name="line.340"></a>
<span class="sourceLineNo">341</span> @Test<a name="line.341"></a>
<span class="sourceLineNo">342</span> public void testBinarySearch() {<a name="line.342"></a>
<span class="sourceLineNo">343</span> byte[][] arr = { { 1 }, { 3 }, { 5 }, { 7 }, { 9 }, { 11 }, { 13 }, { 15 }, };<a name="line.343"></a>
<span class="sourceLineNo">344</span> byte[] key1 = { 3, 1 };<a name="line.344"></a>
<span class="sourceLineNo">345</span> byte[] key2 = { 4, 9 };<a name="line.345"></a>
<span class="sourceLineNo">346</span> byte[] key2_2 = { 4 };<a name="line.346"></a>
<span class="sourceLineNo">347</span> byte[] key3 = { 5, 11 };<a name="line.347"></a>
<span class="sourceLineNo">348</span> byte[] key4 = { 0 };<a name="line.348"></a>
<span class="sourceLineNo">349</span> byte[] key5 = { 2 };<a name="line.349"></a>
<span class="sourceLineNo">350</span><a name="line.350"></a>
<span class="sourceLineNo">351</span> assertEquals(1, Bytes.binarySearch(arr, key1, 0, 1));<a name="line.351"></a>
<span class="sourceLineNo">352</span> assertEquals(0, Bytes.binarySearch(arr, key1, 1, 1));<a name="line.352"></a>
<span class="sourceLineNo">353</span> assertEquals(-(2 + 1), Arrays.binarySearch(arr, key2_2, Bytes.BYTES_COMPARATOR));<a name="line.353"></a>
<span class="sourceLineNo">354</span> assertEquals(-(2 + 1), Bytes.binarySearch(arr, key2, 0, 1));<a name="line.354"></a>
<span class="sourceLineNo">355</span> assertEquals(4, Bytes.binarySearch(arr, key2, 1, 1));<a name="line.355"></a>
<span class="sourceLineNo">356</span> assertEquals(2, Bytes.binarySearch(arr, key3, 0, 1));<a name="line.356"></a>
<span class="sourceLineNo">357</span> assertEquals(5, Bytes.binarySearch(arr, key3, 1, 1));<a name="line.357"></a>
<span class="sourceLineNo">358</span> assertEquals(-1, Bytes.binarySearch(arr, key4, 0, 1));<a name="line.358"></a>
<span class="sourceLineNo">359</span> assertEquals(-2, Bytes.binarySearch(arr, key5, 0, 1));<a name="line.359"></a>
<span class="sourceLineNo">360</span><a name="line.360"></a>
<span class="sourceLineNo">361</span> // Search for values to the left and to the right of each item in the array.<a name="line.361"></a>
<span class="sourceLineNo">362</span> for (int i = 0; i &lt; arr.length; ++i) {<a name="line.362"></a>
<span class="sourceLineNo">363</span> assertEquals(-(i + 1), Bytes.binarySearch(arr, new byte[] { (byte) (arr[i][0] - 1) }, 0, 1));<a name="line.363"></a>
<span class="sourceLineNo">364</span> assertEquals(-(i + 2), Bytes.binarySearch(arr, new byte[] { (byte) (arr[i][0] + 1) }, 0, 1));<a name="line.364"></a>
<span class="sourceLineNo">365</span> }<a name="line.365"></a>
<span class="sourceLineNo">366</span> }<a name="line.366"></a>
<span class="sourceLineNo">367</span><a name="line.367"></a>
<span class="sourceLineNo">368</span> @Test<a name="line.368"></a>
<span class="sourceLineNo">369</span> public void testToStringBytesBinaryReversible() {<a name="line.369"></a>
<span class="sourceLineNo">370</span> byte[] randomBytes = new byte[1000];<a name="line.370"></a>
<span class="sourceLineNo">371</span> for (int i = 0; i &lt; 1000; i++) {<a name="line.371"></a>
<span class="sourceLineNo">372</span> Bytes.random(randomBytes);<a name="line.372"></a>
<span class="sourceLineNo">373</span> verifyReversibleForBytes(randomBytes);<a name="line.373"></a>
<span class="sourceLineNo">374</span> }<a name="line.374"></a>
<span class="sourceLineNo">375</span> // some specific cases<a name="line.375"></a>
<span class="sourceLineNo">376</span> verifyReversibleForBytes(new byte[] {});<a name="line.376"></a>
<span class="sourceLineNo">377</span> verifyReversibleForBytes(new byte[] { '\\', 'x', 'A', 'D' });<a name="line.377"></a>
<span class="sourceLineNo">378</span> verifyReversibleForBytes(new byte[] { '\\', 'x', 'A', 'D', '\\' });<a name="line.378"></a>
<span class="sourceLineNo">379</span> }<a name="line.379"></a>
<span class="sourceLineNo">380</span><a name="line.380"></a>
<span class="sourceLineNo">381</span> private void verifyReversibleForBytes(byte[] originalBytes) {<a name="line.381"></a>
<span class="sourceLineNo">382</span> String convertedString = Bytes.toStringBinary(originalBytes);<a name="line.382"></a>
<span class="sourceLineNo">383</span> byte[] convertedBytes = Bytes.toBytesBinary(convertedString);<a name="line.383"></a>
<span class="sourceLineNo">384</span> if (Bytes.compareTo(originalBytes, convertedBytes) != 0) {<a name="line.384"></a>
<span class="sourceLineNo">385</span> fail("Not reversible for\nbyte[]: " + Arrays.toString(originalBytes) + ",\nStringBinary: "<a name="line.385"></a>
<span class="sourceLineNo">386</span> + convertedString);<a name="line.386"></a>
<span class="sourceLineNo">387</span> }<a name="line.387"></a>
<span class="sourceLineNo">388</span> }<a name="line.388"></a>
<span class="sourceLineNo">389</span><a name="line.389"></a>
<span class="sourceLineNo">390</span> @Test<a name="line.390"></a>
<span class="sourceLineNo">391</span> public void testStartsWith() {<a name="line.391"></a>
<span class="sourceLineNo">392</span> assertTrue(Bytes.startsWith(Bytes.toBytes("hello"), Bytes.toBytes("h")));<a name="line.392"></a>
<span class="sourceLineNo">393</span> assertTrue(Bytes.startsWith(Bytes.toBytes("hello"), Bytes.toBytes("")));<a name="line.393"></a>
<span class="sourceLineNo">394</span> assertTrue(Bytes.startsWith(Bytes.toBytes("hello"), Bytes.toBytes("hello")));<a name="line.394"></a>
<span class="sourceLineNo">395</span> assertFalse(Bytes.startsWith(Bytes.toBytes("hello"), Bytes.toBytes("helloworld")));<a name="line.395"></a>
<span class="sourceLineNo">396</span> assertFalse(Bytes.startsWith(Bytes.toBytes(""), Bytes.toBytes("hello")));<a name="line.396"></a>
<span class="sourceLineNo">397</span> }<a name="line.397"></a>
<span class="sourceLineNo">398</span><a name="line.398"></a>
<span class="sourceLineNo">399</span> @Test<a name="line.399"></a>
<span class="sourceLineNo">400</span> public void testIncrementBytes() {<a name="line.400"></a>
<span class="sourceLineNo">401</span> assertTrue(checkTestIncrementBytes(10, 1));<a name="line.401"></a>
<span class="sourceLineNo">402</span> assertTrue(checkTestIncrementBytes(12, 123435445));<a name="line.402"></a>
<span class="sourceLineNo">403</span> assertTrue(checkTestIncrementBytes(124634654, 1));<a name="line.403"></a>
<span class="sourceLineNo">404</span> assertTrue(checkTestIncrementBytes(10005460, 5005645));<a name="line.404"></a>
<span class="sourceLineNo">405</span> assertTrue(checkTestIncrementBytes(1, -1));<a name="line.405"></a>
<span class="sourceLineNo">406</span> assertTrue(checkTestIncrementBytes(10, -1));<a name="line.406"></a>
<span class="sourceLineNo">407</span> assertTrue(checkTestIncrementBytes(10, -5));<a name="line.407"></a>
<span class="sourceLineNo">408</span> assertTrue(checkTestIncrementBytes(1005435000, -5));<a name="line.408"></a>
<span class="sourceLineNo">409</span> assertTrue(checkTestIncrementBytes(10, -43657655));<a name="line.409"></a>
<span class="sourceLineNo">410</span> assertTrue(checkTestIncrementBytes(-1, 1));<a name="line.410"></a>
<span class="sourceLineNo">411</span> assertTrue(checkTestIncrementBytes(-26, 5034520));<a name="line.411"></a>
<span class="sourceLineNo">412</span> assertTrue(checkTestIncrementBytes(-10657200, 5));<a name="line.412"></a>
<span class="sourceLineNo">413</span> assertTrue(checkTestIncrementBytes(-12343250, 45376475));<a name="line.413"></a>
<span class="sourceLineNo">414</span> assertTrue(checkTestIncrementBytes(-10, -5));<a name="line.414"></a>
<span class="sourceLineNo">415</span> assertTrue(checkTestIncrementBytes(-12343250, -5));<a name="line.415"></a>
<span class="sourceLineNo">416</span> assertTrue(checkTestIncrementBytes(-12, -34565445));<a name="line.416"></a>
<span class="sourceLineNo">417</span> assertTrue(checkTestIncrementBytes(-1546543452, -34565445));<a name="line.417"></a>
<span class="sourceLineNo">418</span> }<a name="line.418"></a>
<span class="sourceLineNo">419</span><a name="line.419"></a>
<span class="sourceLineNo">420</span> private static boolean checkTestIncrementBytes(long val, long amount) {<a name="line.420"></a>
<span class="sourceLineNo">421</span> byte[] value = Bytes.toBytes(val);<a name="line.421"></a>
<span class="sourceLineNo">422</span> byte[] testValue = { -1, -1, -1, -1, -1, -1, -1, -1 };<a name="line.422"></a>
<span class="sourceLineNo">423</span> if (value[0] &gt; 0) {<a name="line.423"></a>
<span class="sourceLineNo">424</span> testValue = new byte[Bytes.SIZEOF_LONG];<a name="line.424"></a>
<span class="sourceLineNo">425</span> }<a name="line.425"></a>
<span class="sourceLineNo">426</span> System.arraycopy(value, 0, testValue, testValue.length - value.length, value.length);<a name="line.426"></a>
<span class="sourceLineNo">427</span><a name="line.427"></a>
<span class="sourceLineNo">428</span> long incrementResult = Bytes.toLong(Bytes.incrementBytes(value, amount));<a name="line.428"></a>
<span class="sourceLineNo">429</span><a name="line.429"></a>
<span class="sourceLineNo">430</span> return (Bytes.toLong(testValue) + amount) == incrementResult;<a name="line.430"></a>
<span class="sourceLineNo">431</span> }<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span> @Test<a name="line.433"></a>
<span class="sourceLineNo">434</span> public void testFixedSizeString() throws IOException {<a name="line.434"></a>
<span class="sourceLineNo">435</span> ByteArrayOutputStream baos = new ByteArrayOutputStream();<a name="line.435"></a>
<span class="sourceLineNo">436</span> DataOutputStream dos = new DataOutputStream(baos);<a name="line.436"></a>
<span class="sourceLineNo">437</span> Bytes.writeStringFixedSize(dos, "Hello", 5);<a name="line.437"></a>
<span class="sourceLineNo">438</span> Bytes.writeStringFixedSize(dos, "World", 18);<a name="line.438"></a>
<span class="sourceLineNo">439</span> Bytes.writeStringFixedSize(dos, "", 9);<a name="line.439"></a>
<span class="sourceLineNo">440</span><a name="line.440"></a>
<span class="sourceLineNo">441</span> try {<a name="line.441"></a>
<span class="sourceLineNo">442</span> // Use a long dash which is three bytes in UTF-8. If encoding happens<a name="line.442"></a>
<span class="sourceLineNo">443</span> // using ISO-8859-1, this will fail.<a name="line.443"></a>
<span class="sourceLineNo">444</span> Bytes.writeStringFixedSize(dos, "Too\u2013Long", 9);<a name="line.444"></a>
<span class="sourceLineNo">445</span> fail("Exception expected");<a name="line.445"></a>
<span class="sourceLineNo">446</span> } catch (IOException ex) {<a name="line.446"></a>
<span class="sourceLineNo">447</span> assertEquals(<a name="line.447"></a>
<span class="sourceLineNo">448</span> "Trying to write 10 bytes (Too\\xE2\\x80\\x93Long) into a field of " + "length 9",<a name="line.448"></a>
<span class="sourceLineNo">449</span> ex.getMessage());<a name="line.449"></a>
<span class="sourceLineNo">450</span> }<a name="line.450"></a>
<span class="sourceLineNo">451</span><a name="line.451"></a>
<span class="sourceLineNo">452</span> ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());<a name="line.452"></a>
<span class="sourceLineNo">453</span> DataInputStream dis = new DataInputStream(bais);<a name="line.453"></a>
<span class="sourceLineNo">454</span> assertEquals("Hello", Bytes.readStringFixedSize(dis, 5));<a name="line.454"></a>
<span class="sourceLineNo">455</span> assertEquals("World", Bytes.readStringFixedSize(dis, 18));<a name="line.455"></a>
<span class="sourceLineNo">456</span> assertEquals("", Bytes.readStringFixedSize(dis, 9));<a name="line.456"></a>
<span class="sourceLineNo">457</span> }<a name="line.457"></a>
<span class="sourceLineNo">458</span><a name="line.458"></a>
<span class="sourceLineNo">459</span> @Test<a name="line.459"></a>
<span class="sourceLineNo">460</span> public void testCopy() {<a name="line.460"></a>
<span class="sourceLineNo">461</span> byte[] bytes = Bytes.toBytes("ABCDEFGHIJKLMNOPQRSTUVWXYZ");<a name="line.461"></a>
<span class="sourceLineNo">462</span> byte[] copy = Bytes.copy(bytes);<a name="line.462"></a>
<span class="sourceLineNo">463</span> assertNotSame(bytes, copy);<a name="line.463"></a>
<span class="sourceLineNo">464</span> assertTrue(Bytes.equals(bytes, copy));<a name="line.464"></a>
<span class="sourceLineNo">465</span> }<a name="line.465"></a>
<span class="sourceLineNo">466</span><a name="line.466"></a>
<span class="sourceLineNo">467</span> @Test<a name="line.467"></a>
<span class="sourceLineNo">468</span> public void testToBytesBinaryTrailingBackslashes() {<a name="line.468"></a>
<span class="sourceLineNo">469</span> try {<a name="line.469"></a>
<span class="sourceLineNo">470</span> Bytes.toBytesBinary("abc\\x00\\x01\\");<a name="line.470"></a>
<span class="sourceLineNo">471</span> } catch (StringIndexOutOfBoundsException ex) {<a name="line.471"></a>
<span class="sourceLineNo">472</span> fail("Illegal string access: " + ex.getMessage());<a name="line.472"></a>
<span class="sourceLineNo">473</span> }<a name="line.473"></a>
<span class="sourceLineNo">474</span> }<a name="line.474"></a>
<span class="sourceLineNo">475</span><a name="line.475"></a>
<span class="sourceLineNo">476</span> @Test<a name="line.476"></a>
<span class="sourceLineNo">477</span> public void testToStringBinary_toBytesBinary_Reversable() {<a name="line.477"></a>
<span class="sourceLineNo">478</span> String bytes = Bytes.toStringBinary(Bytes.toBytes(2.17));<a name="line.478"></a>
<span class="sourceLineNo">479</span> assertEquals(2.17, Bytes.toDouble(Bytes.toBytesBinary(bytes)), 0);<a name="line.479"></a>
<span class="sourceLineNo">480</span> }<a name="line.480"></a>
<span class="sourceLineNo">481</span><a name="line.481"></a>
<span class="sourceLineNo">482</span> @Test<a name="line.482"></a>
<span class="sourceLineNo">483</span> public void testUnsignedBinarySearch() {<a name="line.483"></a>
<span class="sourceLineNo">484</span> byte[] bytes = new byte[] { 0, 5, 123, 127, -128, -100, -1 };<a name="line.484"></a>
<span class="sourceLineNo">485</span> Assert.assertEquals(1, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) 5));<a name="line.485"></a>
<span class="sourceLineNo">486</span> Assert.assertEquals(3, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) 127));<a name="line.486"></a>
<span class="sourceLineNo">487</span> Assert.assertEquals(4, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) -128));<a name="line.487"></a>
<span class="sourceLineNo">488</span> Assert.assertEquals(5, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) -100));<a name="line.488"></a>
<span class="sourceLineNo">489</span> Assert.assertEquals(6, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) -1));<a name="line.489"></a>
<span class="sourceLineNo">490</span> Assert.assertEquals(-1 - 1, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) 2));<a name="line.490"></a>
<span class="sourceLineNo">491</span> Assert.assertEquals(-6 - 1, Bytes.unsignedBinarySearch(bytes, 0, bytes.length, (byte) -5));<a name="line.491"></a>
<span class="sourceLineNo">492</span> }<a name="line.492"></a>
<span class="sourceLineNo">493</span><a name="line.493"></a>
<span class="sourceLineNo">494</span> @Test<a name="line.494"></a>
<span class="sourceLineNo">495</span> public void testUnsignedIncrement() {<a name="line.495"></a>
<span class="sourceLineNo">496</span> byte[] a = Bytes.toBytes(0);<a name="line.496"></a>
<span class="sourceLineNo">497</span> int a2 = Bytes.toInt(Bytes.unsignedCopyAndIncrement(a), 0);<a name="line.497"></a>
<span class="sourceLineNo">498</span> Assert.assertEquals(1, a2);<a name="line.498"></a>
<span class="sourceLineNo">499</span><a name="line.499"></a>
<span class="sourceLineNo">500</span> byte[] b = Bytes.toBytes(-1);<a name="line.500"></a>
<span class="sourceLineNo">501</span> byte[] actual = Bytes.unsignedCopyAndIncrement(b);<a name="line.501"></a>
<span class="sourceLineNo">502</span> Assert.assertNotSame(b, actual);<a name="line.502"></a>
<span class="sourceLineNo">503</span> byte[] expected = new byte[] { 1, 0, 0, 0, 0 };<a name="line.503"></a>
<span class="sourceLineNo">504</span> assertArrayEquals(expected, actual);<a name="line.504"></a>
<span class="sourceLineNo">505</span><a name="line.505"></a>
<span class="sourceLineNo">506</span> byte[] c = Bytes.toBytes(255);// should wrap to the next significant byte<a name="line.506"></a>
<span class="sourceLineNo">507</span> int c2 = Bytes.toInt(Bytes.unsignedCopyAndIncrement(c), 0);<a name="line.507"></a>
<span class="sourceLineNo">508</span> Assert.assertEquals(256, c2);<a name="line.508"></a>
<span class="sourceLineNo">509</span> }<a name="line.509"></a>
<span class="sourceLineNo">510</span><a name="line.510"></a>
<span class="sourceLineNo">511</span> @Test<a name="line.511"></a>
<span class="sourceLineNo">512</span> public void testIndexOf() {<a name="line.512"></a>
<span class="sourceLineNo">513</span> byte[] array = Bytes.toBytes("hello");<a name="line.513"></a>
<span class="sourceLineNo">514</span> assertEquals(1, Bytes.indexOf(array, (byte) 'e'));<a name="line.514"></a>
<span class="sourceLineNo">515</span> assertEquals(4, Bytes.indexOf(array, (byte) 'o'));<a name="line.515"></a>
<span class="sourceLineNo">516</span> assertEquals(-1, Bytes.indexOf(array, (byte) 'a'));<a name="line.516"></a>
<span class="sourceLineNo">517</span> assertEquals(0, Bytes.indexOf(array, Bytes.toBytes("hel")));<a name="line.517"></a>
<span class="sourceLineNo">518</span> assertEquals(2, Bytes.indexOf(array, Bytes.toBytes("ll")));<a name="line.518"></a>
<span class="sourceLineNo">519</span> assertEquals(-1, Bytes.indexOf(array, Bytes.toBytes("hll")));<a name="line.519"></a>
<span class="sourceLineNo">520</span> }<a name="line.520"></a>
<span class="sourceLineNo">521</span><a name="line.521"></a>
<span class="sourceLineNo">522</span> @Test<a name="line.522"></a>
<span class="sourceLineNo">523</span> public void testContains() {<a name="line.523"></a>
<span class="sourceLineNo">524</span> byte[] array = Bytes.toBytes("hello world");<a name="line.524"></a>
<span class="sourceLineNo">525</span> assertTrue(Bytes.contains(array, (byte) 'e'));<a name="line.525"></a>
<span class="sourceLineNo">526</span> assertTrue(Bytes.contains(array, (byte) 'd'));<a name="line.526"></a>
<span class="sourceLineNo">527</span> assertFalse(Bytes.contains(array, (byte) 'a'));<a name="line.527"></a>
<span class="sourceLineNo">528</span> assertTrue(Bytes.contains(array, Bytes.toBytes("world")));<a name="line.528"></a>
<span class="sourceLineNo">529</span> assertTrue(Bytes.contains(array, Bytes.toBytes("ello")));<a name="line.529"></a>
<span class="sourceLineNo">530</span> assertFalse(Bytes.contains(array, Bytes.toBytes("owo")));<a name="line.530"></a>
<span class="sourceLineNo">531</span> }<a name="line.531"></a>
<span class="sourceLineNo">532</span><a name="line.532"></a>
<span class="sourceLineNo">533</span> @Test<a name="line.533"></a>
<span class="sourceLineNo">534</span> public void testZero() {<a name="line.534"></a>
<span class="sourceLineNo">535</span> byte[] array = Bytes.toBytes("hello");<a name="line.535"></a>
<span class="sourceLineNo">536</span> Bytes.zero(array);<a name="line.536"></a>
<span class="sourceLineNo">537</span> for (byte b : array) {<a name="line.537"></a>
<span class="sourceLineNo">538</span> assertEquals(0, b);<a name="line.538"></a>
<span class="sourceLineNo">539</span> }<a name="line.539"></a>
<span class="sourceLineNo">540</span> array = Bytes.toBytes("hello world");<a name="line.540"></a>
<span class="sourceLineNo">541</span> Bytes.zero(array, 2, 7);<a name="line.541"></a>
<span class="sourceLineNo">542</span> assertFalse(array[0] == 0);<a name="line.542"></a>
<span class="sourceLineNo">543</span> assertFalse(array[1] == 0);<a name="line.543"></a>
<span class="sourceLineNo">544</span> for (int i = 2; i &lt; 9; i++) {<a name="line.544"></a>
<span class="sourceLineNo">545</span> assertEquals(0, array[i]);<a name="line.545"></a>
<span class="sourceLineNo">546</span> }<a name="line.546"></a>
<span class="sourceLineNo">547</span> for (int i = 9; i &lt; array.length; i++) {<a name="line.547"></a>
<span class="sourceLineNo">548</span> assertFalse(array[i] == 0);<a name="line.548"></a>
<span class="sourceLineNo">549</span> }<a name="line.549"></a>
<span class="sourceLineNo">550</span> }<a name="line.550"></a>
<span class="sourceLineNo">551</span><a name="line.551"></a>
<span class="sourceLineNo">552</span> @Test<a name="line.552"></a>
<span class="sourceLineNo">553</span> public void testPutBuffer() {<a name="line.553"></a>
<span class="sourceLineNo">554</span> byte[] b = new byte[100];<a name="line.554"></a>
<span class="sourceLineNo">555</span> for (byte i = 0; i &lt; 100; i++) {<a name="line.555"></a>
<span class="sourceLineNo">556</span> Bytes.putByteBuffer(b, i, ByteBuffer.wrap(new byte[] { i }));<a name="line.556"></a>
<span class="sourceLineNo">557</span> }<a name="line.557"></a>
<span class="sourceLineNo">558</span> for (byte i = 0; i &lt; 100; i++) {<a name="line.558"></a>
<span class="sourceLineNo">559</span> Assert.assertEquals(i, b[i]);<a name="line.559"></a>
<span class="sourceLineNo">560</span> }<a name="line.560"></a>
<span class="sourceLineNo">561</span> }<a name="line.561"></a>
<span class="sourceLineNo">562</span><a name="line.562"></a>
<span class="sourceLineNo">563</span> @Test<a name="line.563"></a>
<span class="sourceLineNo">564</span> public void testToFromHex() {<a name="line.564"></a>
<span class="sourceLineNo">565</span> List&lt;String&gt; testStrings = new ArrayList&lt;&gt;(8);<a name="line.565"></a>
<span class="sourceLineNo">566</span> testStrings.addAll(Arrays.asList("", "00", "A0", "ff", "FFffFFFFFFFFFF", "12",<a name="line.566"></a>
<span class="sourceLineNo">567</span> "0123456789abcdef", "283462839463924623984692834692346ABCDFEDDCA0"));<a name="line.567"></a>
<span class="sourceLineNo">568</span> for (String testString : testStrings) {<a name="line.568"></a>
<span class="sourceLineNo">569</span> byte[] byteData = Bytes.fromHex(testString);<a name="line.569"></a>
<span class="sourceLineNo">570</span> Assert.assertEquals(testString.length() / 2, byteData.length);<a name="line.570"></a>
<span class="sourceLineNo">571</span> String result = Bytes.toHex(byteData);<a name="line.571"></a>
<span class="sourceLineNo">572</span> Assert.assertTrue(testString.equalsIgnoreCase(result));<a name="line.572"></a>
<span class="sourceLineNo">573</span> }<a name="line.573"></a>
<span class="sourceLineNo">574</span><a name="line.574"></a>
<span class="sourceLineNo">575</span> List&lt;byte[]&gt; testByteData = new ArrayList&lt;&gt;(5);<a name="line.575"></a>
<span class="sourceLineNo">576</span> testByteData.addAll(Arrays.asList(new byte[0], new byte[1], new byte[10],<a name="line.576"></a>
<span class="sourceLineNo">577</span> new byte[] { 1, 2, 3, 4, 5 }, new byte[] { (byte) 0xFF }));<a name="line.577"></a>
<span class="sourceLineNo">578</span> Random rand = ThreadLocalRandom.current();<a name="line.578"></a>
<span class="sourceLineNo">579</span> for (int i = 0; i &lt; 20; i++) {<a name="line.579"></a>
<span class="sourceLineNo">580</span> byte[] bytes = new byte[rand.nextInt(100)];<a name="line.580"></a>
<span class="sourceLineNo">581</span> Bytes.random(bytes);<a name="line.581"></a>
<span class="sourceLineNo">582</span> testByteData.add(bytes);<a name="line.582"></a>
<span class="sourceLineNo">583</span> }<a name="line.583"></a>
<span class="sourceLineNo">584</span><a name="line.584"></a>
<span class="sourceLineNo">585</span> for (byte[] testData : testByteData) {<a name="line.585"></a>
<span class="sourceLineNo">586</span> String hexString = Bytes.toHex(testData);<a name="line.586"></a>
<span class="sourceLineNo">587</span> Assert.assertEquals(testData.length * 2, hexString.length());<a name="line.587"></a>
<span class="sourceLineNo">588</span> byte[] result = Bytes.fromHex(hexString);<a name="line.588"></a>
<span class="sourceLineNo">589</span> assertArrayEquals(testData, result);<a name="line.589"></a>
<span class="sourceLineNo">590</span> }<a name="line.590"></a>
<span class="sourceLineNo">591</span> }<a name="line.591"></a>
<span class="sourceLineNo">592</span>}<a name="line.592"></a>
</pre>
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