--- /dev/null
+/*
+ * Copyright (c) 2017 Pantheon Technologies s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.common;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+
+import com.google.common.primitives.UnsignedLong;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.math.BigInteger;
+import org.junit.Test;
+
+public class Uint64Test {
+ @Test
+ public void testValueOf() {
+ assertEquals(127, Uint64.valueOf(Byte.MAX_VALUE).byteValue());
+ assertEquals(32767, Uint64.valueOf(Short.MAX_VALUE).shortValue());
+ assertEquals(2147483647, Uint64.valueOf(Integer.MAX_VALUE).intValue());
+ assertEquals(9223372036854775807L, Uint64.valueOf(Long.MAX_VALUE).longValue());
+ assertEquals(0, Uint64.valueOf("0").intValue());
+ assertEquals(2170205184637009920L, Uint64.valueOf(2170205184637009920L).longValue());
+ assertEquals(2170205184637009920L, Uint64.valueOf(new BigInteger("2170205184637009920")).longValue());
+ }
+
+ @Test
+ public void testSaturatedOf() {
+ assertEquals(127, Uint64.saturatedOf((byte) 127).byteValue());
+ assertEquals(127, Uint64.saturatedOf((short) 127).byteValue());
+ assertEquals(127, Uint64.saturatedOf(127).byteValue());
+ assertEquals(127, Uint64.saturatedOf(127L).byteValue());
+
+ assertEquals(255, Uint64.saturatedOf((short) 255).intValue());
+ assertEquals(255, Uint64.saturatedOf(255).intValue());
+ assertEquals(255L, Uint64.saturatedOf(255L).longValue());
+ assertEquals(2170205184637009920L, Uint64.saturatedOf(new BigInteger("2170205184637009920")).longValue());
+ }
+
+ @Test
+ public void testCompareTo() {
+ final Uint64 five = Uint64.valueOf(5);
+ final Uint64 zero = Uint64.valueOf(0);
+ final Uint64 max = Uint64.valueOf(4294967295L);
+
+ assertEquals(0, zero.compareTo(zero));
+ assertEquals(-1, zero.compareTo(five));
+ assertEquals(-1, zero.compareTo(max));
+
+ assertEquals(1, five.compareTo(zero));
+ assertEquals(0, five.compareTo(five));
+ assertEquals(-1, five.compareTo(max));
+
+ assertEquals(1, max.compareTo(zero));
+ assertEquals(1, max.compareTo(five));
+ assertEquals(0, max.compareTo(max));
+ }
+
+ @Test
+ public void testEquals() {
+ final Uint64 five = Uint64.valueOf(5);
+ final Uint64 zero = Uint64.valueOf(0);
+ final Uint64 max = Uint64.valueOf(4294967295L);
+
+ final Uint64 test = new Uint64(five);
+ assertFalse(test.equals(zero));
+ assertFalse(test.equals(new Object()));
+ assertFalse(test.equals(max));
+ assertTrue(test.equals(test));
+ assertTrue(test.equals(five));
+ assertTrue(five.equals(test));
+ }
+
+ @Test
+ public void testToString() {
+ assertEquals("0", Uint64.valueOf(0).toString());
+ assertEquals("2147483647", Uint64.valueOf(2147483647L).toString());
+ assertEquals("2147483648", Uint64.valueOf(2147483648L).toString());
+ assertEquals("4294967295", Uint64.valueOf(4294967295L).toString());
+ }
+
+ @Test
+ public void testHashCode() {
+ assertEquals(Long.hashCode(-63), Uint64.fromLongBits(-63L).hashCode());
+ }
+
+ @Test
+ public void testFloatValue() {
+ assertEquals(0, Uint64.valueOf(0).floatValue(), 0);
+ }
+
+ @Test
+ public void testDoubleValue() {
+ assertEquals(0, Uint64.valueOf(0).doubleValue(), 0);
+ }
+
+ @Test
+ public void testConversions() {
+ assertSame(Uint64.valueOf(5), Uint64.valueOf(Uint8.valueOf(5)));
+ assertSame(Uint64.valueOf(10), Uint64.valueOf(Uint16.valueOf(10)));
+ assertSame(Uint64.valueOf(20), Uint64.valueOf(Uint32.valueOf(20)));
+ assertEquals(Uint64.valueOf(30), Uint64.valueOf(new BigInteger("30")));
+
+ assertSame(Uint64.valueOf(5), Uint64.valueOf(UnsignedLong.fromLongBits(5)));
+ assertEquals(UnsignedLong.fromLongBits(5), Uint64.valueOf(5).toGuava());
+
+ assertEquals(Uint8.TEN, Uint64.TEN.toUint8());
+ assertEquals(Uint16.TEN, Uint64.TEN.toUint16());
+ assertEquals(Uint32.TEN, Uint64.TEN.toUint32());
+ }
+
+ @Test
+ public void testToUint8() {
+ assertThrows(IllegalArgumentException.class, () -> Uint64.MAX_VALUE.toUint8());
+ }
+
+ @Test
+ public void testToUint16() {
+ assertThrows(IllegalArgumentException.class, () -> Uint64.MAX_VALUE.toUint16());
+ }
+
+ @Test
+ public void testToUint32() {
+ assertThrows(IllegalArgumentException.class, () -> Uint64.MAX_VALUE.toUint32());
+ }
+
+ @Test
+ public void testSerialization() throws IOException, ClassNotFoundException {
+ final Uint64 source = Uint64.valueOf(255);
+ final ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ try (ObjectOutputStream oos = new ObjectOutputStream(bos)) {
+ oos.writeObject(source);
+ }
+
+ final Object read;
+ try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
+ read = ois.readObject();
+ }
+
+ assertSame(source, read);
+ }
+
+ @Test
+ public void testNegativeValues() {
+ assertThrows(IllegalArgumentException.class, () -> Uint64.valueOf((byte)-1));
+ assertThrows(IllegalArgumentException.class, () -> Uint64.valueOf((short)-1));
+ assertThrows(IllegalArgumentException.class, () -> Uint64.valueOf(-1));
+ assertThrows(IllegalArgumentException.class, () -> Uint64.valueOf(-1L));
+ assertThrows(IllegalArgumentException.class, () -> Uint64.valueOf(new BigInteger("-1")));
+
+ assertEquals(Uint64.ZERO, Uint64.saturatedOf((byte)-1));
+ assertEquals(Uint64.ZERO, Uint64.saturatedOf((short)-1));
+ assertEquals(Uint64.ZERO, Uint64.saturatedOf(-1));
+ assertEquals(Uint64.ZERO, Uint64.saturatedOf(-1L));
+ assertEquals(Uint64.ZERO, Uint64.saturatedOf(new BigInteger("-1")));
+ }
+
+ @Test
+ public void testLargeValues() {
+ final BigInteger big = new BigInteger("10000000000000000", 16);
+ assertThrows(IllegalArgumentException.class, () -> Uint64.valueOf(big));
+
+ assertEquals(Uint64.MAX_VALUE, Uint64.saturatedOf(big));
+ }
+
+ @Test
+ public void testNullValueOf() {
+ assertThrows(NullPointerException.class, () -> Uint64.valueOf((String) null));
+ assertThrows(NullPointerException.class, () -> Uint64.valueOf((BigInteger) null));
+ }
+}