HBASE-6352 Add copy method in Bytes
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1381670 13f79535-47bb-0310-9956-ffa450edef68
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@ -1655,5 +1655,17 @@ public class Bytes {
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return toString(b, 0, n);
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}
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/**
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* Copy the byte array given in parameter and return an instance
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* of a new byte array with the same length and the same content.
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* @param bytes the byte array to duplicate
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* @return a copy of the given byte array
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*/
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public static byte [] copy(byte [] bytes) {
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if (bytes == null) return null;
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byte [] result = new byte[bytes.length];
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System.arraycopy(bytes, 0, result, 0, bytes.length);
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return result;
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}
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}
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@ -283,5 +283,12 @@ public class TestBytes extends TestCase {
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assertEquals("World", Bytes.readStringFixedSize(dis, 18));
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assertEquals("", Bytes.readStringFixedSize(dis, 9));
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}
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public void testCopy() throws Exception {
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byte [] bytes = Bytes.toBytes("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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byte [] copy = Bytes.copy(bytes);
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assertFalse(bytes == copy);
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assertTrue(Bytes.equals(bytes, copy));
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}
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}
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