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Diffstat (limited to 'framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4AddressTest.java')
-rw-r--r-- | framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4AddressTest.java | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4AddressTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4AddressTest.java new file mode 100644 index 00000000..3bbf0009 --- /dev/null +++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4AddressTest.java @@ -0,0 +1,432 @@ +/* + * Copyright 2014 Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onlab.packet; + +import com.google.common.net.InetAddresses; +import com.google.common.testing.EqualsTester; +import org.junit.Test; + +import java.net.InetAddress; + +import static org.hamcrest.Matchers.is; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable; + +/** + * Tests for class {@link Ip4Address}. + */ +public class Ip4AddressTest { + /** + * Tests the immutability of {@link Ip4Address}. + */ + @Test + public void testImmutable() { + assertThatClassIsImmutable(Ip4Address.class); + } + + /** + * Tests the IPv4 address version constant. + */ + @Test + public void testAddressVersion() { + assertThat(Ip4Address.VERSION, is(IpAddress.Version.INET)); + } + + /** + * Tests the length of the address in bytes (octets). + */ + @Test + public void testAddrByteLength() { + assertThat(Ip4Address.BYTE_LENGTH, is(4)); + } + + /** + * Tests the length of the address in bits. + */ + @Test + public void testAddrBitLength() { + assertThat(Ip4Address.BIT_LENGTH, is(32)); + } + + /** + * Tests returning the IP address version. + */ + @Test + public void testVersion() { + Ip4Address ipAddress; + + // IPv4 + ipAddress = Ip4Address.valueOf("0.0.0.0"); + assertThat(ipAddress.version(), is(IpAddress.Version.INET)); + } + + /** + * Tests returning an IPv4 address as a byte array. + */ + @Test + public void testAddressToOctetsIPv4() { + Ip4Address ipAddress; + byte[] value; + + value = new byte[] {1, 2, 3, 4}; + ipAddress = Ip4Address.valueOf("1.2.3.4"); + assertThat(ipAddress.toOctets(), is(value)); + + value = new byte[] {0, 0, 0, 0}; + ipAddress = Ip4Address.valueOf("0.0.0.0"); + assertThat(ipAddress.toOctets(), is(value)); + + value = new byte[] {(byte) 0xff, (byte) 0xff, + (byte) 0xff, (byte) 0xff}; + ipAddress = Ip4Address.valueOf("255.255.255.255"); + assertThat(ipAddress.toOctets(), is(value)); + } + + /** + * Tests returning an IPv4 address as an integer. + */ + @Test + public void testToInt() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.valueOf("1.2.3.4"); + assertThat(ipAddress.toInt(), is(0x01020304)); + + ipAddress = Ip4Address.valueOf("0.0.0.0"); + assertThat(ipAddress.toInt(), is(0)); + + ipAddress = Ip4Address.valueOf("255.255.255.255"); + assertThat(ipAddress.toInt(), is(-1)); + } + + /** + * Tests valueOf() converter for IPv4 integer value. + */ + @Test + public void testValueOfForIntegerIPv4() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.valueOf(0x01020304); + assertThat(ipAddress.toString(), is("1.2.3.4")); + + ipAddress = Ip4Address.valueOf(0); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + ipAddress = Ip4Address.valueOf(0xffffffff); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } + + /** + * Tests valueOf() converter for IPv4 byte array. + */ + @Test + public void testValueOfByteArrayIPv4() { + Ip4Address ipAddress; + byte[] value; + + value = new byte[] {1, 2, 3, 4}; + ipAddress = Ip4Address.valueOf(value); + assertThat(ipAddress.toString(), is("1.2.3.4")); + + value = new byte[] {0, 0, 0, 0}; + ipAddress = Ip4Address.valueOf(value); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + value = new byte[] {(byte) 0xff, (byte) 0xff, + (byte) 0xff, (byte) 0xff}; + ipAddress = Ip4Address.valueOf(value); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } + + /** + * Tests invalid valueOf() converter for a null array for IPv4. + */ + @Test(expected = NullPointerException.class) + public void testInvalidValueOfNullArrayIPv4() { + Ip4Address ipAddress; + byte[] value; + + value = null; + ipAddress = Ip4Address.valueOf(value); + } + + /** + * Tests invalid valueOf() converger for an array that is too short for + * IPv4. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfShortArrayIPv4() { + Ip4Address ipAddress; + byte[] value; + + value = new byte[] {1, 2, 3}; + ipAddress = Ip4Address.valueOf(value); + } + + /** + * Tests valueOf() converter for IPv4 byte array and an offset. + */ + @Test + public void testValueOfByteArrayOffsetIPv4() { + Ip4Address ipAddress; + byte[] value; + + value = new byte[] {11, 22, 33, // Preamble + 1, 2, 3, 4, + 44, 55}; // Extra bytes + ipAddress = Ip4Address.valueOf(value, 3); + assertThat(ipAddress.toString(), is("1.2.3.4")); + + value = new byte[] {11, 22, // Preamble + 0, 0, 0, 0, + 33}; // Extra bytes + ipAddress = Ip4Address.valueOf(value, 2); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + value = new byte[] {11, 22, // Preamble + (byte) 0xff, (byte) 0xff, + (byte) 0xff, (byte) 0xff, + 33}; // Extra bytes + ipAddress = Ip4Address.valueOf(value, 2); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } + + /** + * Tests invalid valueOf() converger for an array and an invalid offset + * for IPv4. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfArrayInvalidOffsetIPv4() { + Ip4Address ipAddress; + byte[] value; + + value = new byte[] {11, 22, 33, // Preamble + 1, 2, 3, 4, + 44, 55}; // Extra bytes + ipAddress = Ip4Address.valueOf(value, 6); + } + + /** + * Tests valueOf() converter for IPv4 InetAddress. + */ + @Test + public void testValueOfInetAddressIPv4() { + Ip4Address ipAddress; + InetAddress inetAddress; + + inetAddress = InetAddresses.forString("1.2.3.4"); + ipAddress = Ip4Address.valueOf(inetAddress); + assertThat(ipAddress.toString(), is("1.2.3.4")); + + inetAddress = InetAddresses.forString("0.0.0.0"); + ipAddress = Ip4Address.valueOf(inetAddress); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + inetAddress = InetAddresses.forString("255.255.255.255"); + ipAddress = Ip4Address.valueOf(inetAddress); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } + + /** + * Tests valueOf() converter for IPv4 string. + */ + @Test + public void testValueOfStringIPv4() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.valueOf("1.2.3.4"); + assertThat(ipAddress.toString(), is("1.2.3.4")); + + ipAddress = Ip4Address.valueOf("0.0.0.0"); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + ipAddress = Ip4Address.valueOf("255.255.255.255"); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } + + /** + * Tests invalid valueOf() converter for a null string. + */ + @Test(expected = NullPointerException.class) + public void testInvalidValueOfNullString() { + Ip4Address ipAddress; + + String fromString = null; + ipAddress = Ip4Address.valueOf(fromString); + } + + /** + * Tests invalid valueOf() converter for an empty string. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfEmptyString() { + Ip4Address ipAddress; + + String fromString = ""; + ipAddress = Ip4Address.valueOf(fromString); + } + + /** + * Tests invalid valueOf() converter for an incorrect string. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfIncorrectString() { + Ip4Address ipAddress; + + String fromString = "NoSuchIpAddress"; + ipAddress = Ip4Address.valueOf(fromString); + } + + /** + * Tests making a mask prefix for a given prefix length for IPv4. + */ + @Test + public void testMakeMaskPrefixIPv4() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.makeMaskPrefix(25); + assertThat(ipAddress.toString(), is("255.255.255.128")); + + ipAddress = Ip4Address.makeMaskPrefix(0); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + ipAddress = Ip4Address.makeMaskPrefix(32); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } + + /** + * Tests making a mask prefix for an invalid prefix length for IPv4: + * negative prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidMakeNegativeMaskPrefixIPv4() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.makeMaskPrefix(-1); + } + + /** + * Tests making a mask prefix for an invalid prefix length for IPv4: + * too long prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidMakeTooLongMaskPrefixIPv4() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.makeMaskPrefix(33); + } + + /** + * Tests making of a masked address for IPv4. + */ + @Test + public void testMakeMaskedAddressIPv4() { + Ip4Address ipAddress = Ip4Address.valueOf("1.2.3.5"); + Ip4Address ipAddressMasked; + + ipAddressMasked = Ip4Address.makeMaskedAddress(ipAddress, 24); + assertThat(ipAddressMasked.toString(), is("1.2.3.0")); + + ipAddressMasked = Ip4Address.makeMaskedAddress(ipAddress, 0); + assertThat(ipAddressMasked.toString(), is("0.0.0.0")); + + ipAddressMasked = Ip4Address.makeMaskedAddress(ipAddress, 32); + assertThat(ipAddressMasked.toString(), is("1.2.3.5")); + } + + /** + * Tests making of a masked address for invalid prefix length for IPv4: + * negative prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidMakeNegativeMaskedAddressIPv4() { + Ip4Address ipAddress = Ip4Address.valueOf("1.2.3.5"); + Ip4Address ipAddressMasked; + + ipAddressMasked = Ip4Address.makeMaskedAddress(ipAddress, -1); + } + + /** + * Tests making of a masked address for an invalid prefix length for IPv4: + * too long prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidMakeTooLongMaskedAddressIPv4() { + Ip4Address ipAddress = Ip4Address.valueOf("1.2.3.5"); + Ip4Address ipAddressMasked; + + ipAddressMasked = Ip4Address.makeMaskedAddress(ipAddress, 33); + } + + /** + * Tests comparison of {@link Ip4Address} for IPv4. + */ + @Test + public void testComparisonIPv4() { + Ip4Address addr1, addr2, addr3, addr4; + + addr1 = Ip4Address.valueOf("1.2.3.4"); + addr2 = Ip4Address.valueOf("1.2.3.4"); + addr3 = Ip4Address.valueOf("1.2.3.3"); + addr4 = Ip4Address.valueOf("1.2.3.5"); + assertTrue(addr1.compareTo(addr2) == 0); + assertTrue(addr1.compareTo(addr3) > 0); + assertTrue(addr1.compareTo(addr4) < 0); + + addr1 = Ip4Address.valueOf("255.2.3.4"); + addr2 = Ip4Address.valueOf("255.2.3.4"); + addr3 = Ip4Address.valueOf("255.2.3.3"); + addr4 = Ip4Address.valueOf("255.2.3.5"); + assertTrue(addr1.compareTo(addr2) == 0); + assertTrue(addr1.compareTo(addr3) > 0); + assertTrue(addr1.compareTo(addr4) < 0); + } + + /** + * Tests equality of {@link Ip4Address} for IPv4. + */ + @Test + public void testEqualityIPv4() { + new EqualsTester() + .addEqualityGroup(Ip4Address.valueOf("1.2.3.4"), + Ip4Address.valueOf("1.2.3.4")) + .addEqualityGroup(Ip4Address.valueOf("1.2.3.5"), + Ip4Address.valueOf("1.2.3.5")) + .addEqualityGroup(Ip4Address.valueOf("0.0.0.0"), + Ip4Address.valueOf("0.0.0.0")) + .addEqualityGroup(Ip4Address.valueOf("255.255.255.255"), + Ip4Address.valueOf("255.255.255.255")) + .testEquals(); + } + + /** + * Tests object string representation for IPv4. + */ + @Test + public void testToStringIPv4() { + Ip4Address ipAddress; + + ipAddress = Ip4Address.valueOf("1.2.3.4"); + assertThat(ipAddress.toString(), is("1.2.3.4")); + + ipAddress = Ip4Address.valueOf("0.0.0.0"); + assertThat(ipAddress.toString(), is("0.0.0.0")); + + ipAddress = Ip4Address.valueOf("255.255.255.255"); + assertThat(ipAddress.toString(), is("255.255.255.255")); + } +} |