Adds equals content feature and tests

Author: patrickfav

src/main/java/at/favre/lib/bytes/Bytes.java

@@ -1247,6 +1247,26 @@ public boolean equals(Object o) {
         return byteOrder != null ? byteOrder.equals(bytes.byteOrder) : bytes.byteOrder == null;
     }
 
+    /**
+     * Checks only for internal array content
+     *
+     * @param other to compare to
+     * @return true if the internal array are equals (see {@link Arrays#equals(byte[], byte[])})
+     */
+    public boolean equalsContent(Bytes other) {
+        return other != null && equalsContent(other.internalArray());
+    }
+
+    /**
+     * Checks only for internal array content
+     *
+     * @param array to compare to
+     * @return true if the internal array are equals (see {@link Arrays#equals(byte[], byte[])})
+     */
+    public boolean equalsContent(byte[] array) {
+        return array != null && Arrays.equals(internalArray(), array);
+    }
+
     @Override
     public int hashCode() {
         int result = Arrays.hashCode(byteArray);

src/test/java/at/favre/lib/bytes/BytesMiscTest.java

@@ -23,6 +23,8 @@
 
 import org.junit.Test;
 
+import java.nio.ByteOrder;
+
 import static org.junit.Assert.*;
 
 public class BytesMiscTest extends ABytesTest {
@@ -56,11 +58,22 @@ public void testEquals() throws Exception {
         assertTrue(Bytes.wrap(new byte[0]).equals(Bytes.wrap(new byte[0])));
         assertTrue(Bytes.wrap(new byte[16]).equals(Bytes.wrap(new byte[16])));
         assertTrue(Bytes.wrap(example_bytes_seven).equals(Bytes.from(example_bytes_seven)));
+        assertFalse(Bytes.wrap(example_bytes_seven).byteOrder(ByteOrder.BIG_ENDIAN).equals(Bytes.from(example_bytes_seven).byteOrder(ByteOrder.LITTLE_ENDIAN)));
         assertTrue(Bytes.wrap(example2_bytes_seven).equals(Bytes.from(example2_bytes_seven)));
         assertFalse(Bytes.wrap(example_bytes_seven).equals(Bytes.wrap(example2_bytes_seven)));
         assertFalse(Bytes.wrap(example_bytes_eight).equals(Bytes.wrap(example2_bytes_seven)));
     }
 
+    @Test
+    public void testEqualsContent() throws Exception {
+        assertTrue(Bytes.wrap(new byte[0]).byteOrder(ByteOrder.BIG_ENDIAN).equalsContent(Bytes.wrap(new byte[0]).byteOrder(ByteOrder.LITTLE_ENDIAN)));
+        assertTrue(Bytes.from(example_bytes_seven).byteOrder(ByteOrder.BIG_ENDIAN).equalsContent(Bytes.from(example_bytes_seven).byteOrder(ByteOrder.LITTLE_ENDIAN)));
+        assertTrue(Bytes.from(example_bytes_seven).mutable().equalsContent(Bytes.from(example_bytes_seven).byteOrder(ByteOrder.LITTLE_ENDIAN)));
+        assertTrue(Bytes.from(example_bytes_seven).mutable().equalsContent(Bytes.from(example_bytes_seven)));
+        assertTrue(Bytes.from(example_bytes_seven).readOnly().equalsContent(Bytes.from(example_bytes_seven)));
+        assertTrue(Bytes.from(example_bytes_seven).readOnly().equalsContent(example_bytes_seven));
+    }
+
     @Test
     public void testCompareTo() throws Exception {
         byte[] b1 = new byte[]{0x01};