2 * Copyright (c) 2017 Pantheon Technologies s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.common;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertFalse;
12 import static org.junit.Assert.assertSame;
13 import static org.junit.Assert.assertThrows;
14 import static org.junit.Assert.assertTrue;
16 import com.google.common.primitives.UnsignedInteger;
17 import java.io.ByteArrayInputStream;
18 import java.io.ByteArrayOutputStream;
19 import java.io.IOException;
20 import java.io.ObjectInputStream;
21 import java.io.ObjectOutputStream;
22 import org.junit.Test;
24 public class Uint32Test {
26 public void testValueOf() {
27 assertEquals(127, Uint32.valueOf(Byte.MAX_VALUE).byteValue());
28 assertEquals(32767, Uint32.valueOf(Short.MAX_VALUE).shortValue());
29 assertEquals(2147483647, Uint32.valueOf(Integer.MAX_VALUE).intValue());
30 assertEquals(4294967295L, Uint32.valueOf(4294967295L).longValue());
31 assertEquals(0, Uint32.valueOf("0").intValue());
35 public void testCompareTo() {
36 final Uint32 five = Uint32.valueOf(5);
37 final Uint32 zero = Uint32.valueOf(0);
38 final Uint32 max = Uint32.valueOf(4294967295L);
40 assertEquals(0, zero.compareTo(zero));
41 assertEquals(-1, zero.compareTo(five));
42 assertEquals(-1, zero.compareTo(max));
44 assertEquals(1, five.compareTo(zero));
45 assertEquals(0, five.compareTo(five));
46 assertEquals(-1, five.compareTo(max));
48 assertEquals(1, max.compareTo(zero));
49 assertEquals(1, max.compareTo(five));
50 assertEquals(0, max.compareTo(max));
54 public void testEquals() {
55 final Uint32 five = Uint32.valueOf(5);
56 final Uint32 zero = Uint32.valueOf(0);
57 final Uint32 max = Uint32.valueOf(4294967295L);
59 final Uint32 test = new Uint32(five);
60 assertFalse(test.equals(zero));
61 assertFalse(test.equals(new Object()));
62 assertFalse(test.equals(max));
63 assertTrue(test.equals(test));
64 assertTrue(test.equals(five));
65 assertTrue(five.equals(test));
69 public void testToString() {
70 assertEquals("0", Uint32.valueOf(0).toString());
71 assertEquals("2147483647", Uint32.valueOf(2147483647L).toString());
72 assertEquals("2147483648", Uint32.valueOf(2147483648L).toString());
73 assertEquals("4294967295", Uint32.valueOf(4294967295L).toString());
77 public void testHashCode() {
78 assertEquals(Integer.hashCode(-63), Uint32.fromIntBits(-63).hashCode());
82 public void testFloatValue() {
83 assertEquals(0, Uint32.valueOf(0).floatValue(), 0);
87 public void testDoubleValue() {
88 assertEquals(0, Uint32.valueOf(0).doubleValue(), 0);
92 public void testConversions() {
93 assertSame(Uint32.valueOf(5), Uint32.valueOf(Uint8.valueOf(5)));
94 assertSame(Uint32.valueOf(10), Uint32.valueOf(Uint16.valueOf(10)));
95 assertSame(Uint32.valueOf(20), Uint32.valueOf(Uint64.valueOf(20)));
97 assertSame(Uint32.valueOf(5), Uint32.valueOf(UnsignedInteger.fromIntBits(5)));
98 assertEquals(UnsignedInteger.fromIntBits(5), Uint32.valueOf(5).toGuava());
100 assertEquals(Uint8.TEN, Uint32.TEN.toUint8());
101 assertEquals(Uint16.TEN, Uint32.TEN.toUint16());
102 assertEquals(Uint64.valueOf(4294967295L), Uint32.MAX_VALUE.toUint64());
106 public void testToUint8() {
107 assertThrows(IllegalArgumentException.class, () -> Uint32.MAX_VALUE.toUint8());
111 public void testToUint16() {
112 assertThrows(IllegalArgumentException.class, () -> Uint32.MAX_VALUE.toUint16());
116 public void testSerialization() throws IOException, ClassNotFoundException {
117 final Uint32 source = Uint32.valueOf(255);
118 final ByteArrayOutputStream bos = new ByteArrayOutputStream();
119 try (ObjectOutputStream oos = new ObjectOutputStream(bos)) {
120 oos.writeObject(source);
124 try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
125 read = ois.readObject();
128 assertSame(source, read);
132 public void testNegativeValues() {
133 assertThrows(IllegalArgumentException.class, () -> Uint32.valueOf((byte)-1));
134 assertThrows(IllegalArgumentException.class, () -> Uint32.valueOf((short)-1));
135 assertThrows(IllegalArgumentException.class, () -> Uint32.valueOf(-1));
136 assertThrows(IllegalArgumentException.class, () -> Uint32.valueOf(-1L));
140 public void testLargeValues() {
141 assertThrows(IllegalArgumentException.class, () -> Uint32.valueOf(4294967296L));
145 public void testNullValueOfString() {
146 assertThrows(NullPointerException.class, () -> Uint32.valueOf((String) null));