diff options
Diffstat (limited to 'framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4PrefixTest.java')
-rw-r--r-- | framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4PrefixTest.java | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4PrefixTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4PrefixTest.java new file mode 100644 index 00000000..c731ed66 --- /dev/null +++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/Ip4PrefixTest.java @@ -0,0 +1,534 @@ +/* + * 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.testing.EqualsTester; +import org.junit.Test; + +import static org.hamcrest.Matchers.equalTo; +import static org.hamcrest.Matchers.is; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; +import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable; + +/** + * Tests for class {@link Ip4Prefix}. + */ +public class Ip4PrefixTest { + /** + * Tests the immutability of {@link Ip4Prefix}. + */ + @Test + public void testImmutable() { + assertThatClassIsImmutable(Ip4Prefix.class); + } + + /** + * Tests the IPv4 prefix address version constant. + */ + @Test + public void testAddressVersion() { + assertThat(Ip4Prefix.VERSION, is(IpAddress.Version.INET)); + } + + /** + * Tests the maximum mask length. + */ + @Test + public void testMaxMaskLength() { + assertThat(Ip4Prefix.MAX_MASK_LENGTH, is(32)); + } + + /** + * Tests returning the IP version of the prefix. + */ + @Test + public void testVersion() { + Ip4Prefix ipPrefix; + + // IPv4 + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/0"); + assertThat(ipPrefix.version(), is(IpAddress.Version.INET)); + } + + /** + * Tests returning the IP address value and IP address prefix length of + * an IPv4 prefix. + */ + @Test + public void testAddressAndPrefixLengthIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.3.0/24"); + assertThat(ipPrefix.address(), equalTo(Ip4Address.valueOf("1.2.3.0"))); + assertThat(ipPrefix.prefixLength(), is(24)); + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/24"); + assertThat(ipPrefix.address(), equalTo(Ip4Address.valueOf("1.2.3.0"))); + assertThat(ipPrefix.prefixLength(), is(24)); + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/32"); + assertThat(ipPrefix.address(), equalTo(Ip4Address.valueOf("1.2.3.4"))); + assertThat(ipPrefix.prefixLength(), is(32)); + + ipPrefix = Ip4Prefix.valueOf("1.2.3.5/32"); + assertThat(ipPrefix.address(), equalTo(Ip4Address.valueOf("1.2.3.5"))); + assertThat(ipPrefix.prefixLength(), is(32)); + + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/0"); + assertThat(ipPrefix.address(), equalTo(Ip4Address.valueOf("0.0.0.0"))); + assertThat(ipPrefix.prefixLength(), is(0)); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/32"); + assertThat(ipPrefix.address(), + equalTo(Ip4Address.valueOf("255.255.255.255"))); + assertThat(ipPrefix.prefixLength(), is(32)); + } + + /** + * Tests valueOf() converter for IPv4 integer value. + */ + @Test + public void testValueOfForIntegerIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf(0x01020304, 24); + assertThat(ipPrefix.toString(), is("1.2.3.0/24")); + + ipPrefix = Ip4Prefix.valueOf(0x01020304, 32); + assertThat(ipPrefix.toString(), is("1.2.3.4/32")); + + ipPrefix = Ip4Prefix.valueOf(0x01020305, 32); + assertThat(ipPrefix.toString(), is("1.2.3.5/32")); + + ipPrefix = Ip4Prefix.valueOf(0, 0); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf(0, 32); + assertThat(ipPrefix.toString(), is("0.0.0.0/32")); + + ipPrefix = Ip4Prefix.valueOf(0xffffffff, 0); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf(0xffffffff, 16); + assertThat(ipPrefix.toString(), is("255.255.0.0/16")); + + ipPrefix = Ip4Prefix.valueOf(0xffffffff, 32); + assertThat(ipPrefix.toString(), is("255.255.255.255/32")); + } + + /** + * Tests invalid valueOf() converter for IPv4 integer value and + * negative prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfIntegerNegativePrefixLengthIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf(0x01020304, -1); + } + + /** + * Tests invalid valueOf() converter for IPv4 integer value and + * too long prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfIntegerTooLongPrefixLengthIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf(0x01020304, 33); + } + + /** + * Tests valueOf() converter for IPv4 byte array. + */ + @Test + public void testValueOfByteArrayIPv4() { + Ip4Prefix ipPrefix; + byte[] value; + + value = new byte[] {1, 2, 3, 4}; + ipPrefix = Ip4Prefix.valueOf(value, 24); + assertThat(ipPrefix.toString(), is("1.2.3.0/24")); + + ipPrefix = Ip4Prefix.valueOf(value, 32); + assertThat(ipPrefix.toString(), is("1.2.3.4/32")); + + value = new byte[] {1, 2, 3, 5}; + ipPrefix = Ip4Prefix.valueOf(value, 32); + assertThat(ipPrefix.toString(), is("1.2.3.5/32")); + + value = new byte[] {0, 0, 0, 0}; + ipPrefix = Ip4Prefix.valueOf(value, 0); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf(value, 32); + assertThat(ipPrefix.toString(), is("0.0.0.0/32")); + + value = new byte[] {(byte) 0xff, (byte) 0xff, + (byte) 0xff, (byte) 0xff}; + ipPrefix = Ip4Prefix.valueOf(value, 0); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf(value, 16); + assertThat(ipPrefix.toString(), is("255.255.0.0/16")); + + ipPrefix = Ip4Prefix.valueOf(value, 32); + assertThat(ipPrefix.toString(), is("255.255.255.255/32")); + } + + /** + * Tests invalid valueOf() converter for a null array for IPv4. + */ + @Test(expected = NullPointerException.class) + public void testInvalidValueOfNullArrayIPv4() { + Ip4Prefix ipPrefix; + byte[] value; + + value = null; + ipPrefix = Ip4Prefix.valueOf(value, 24); + } + + /** + * Tests invalid valueOf() converter for a short array for IPv4. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfShortArrayIPv4() { + Ip4Prefix ipPrefix; + byte[] value; + + value = new byte[] {1, 2, 3}; + ipPrefix = Ip4Prefix.valueOf(value, 24); + } + + /** + * Tests invalid valueOf() converter for IPv4 byte array and + * negative prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfByteArrayNegativePrefixLengthIPv4() { + Ip4Prefix ipPrefix; + byte[] value; + + value = new byte[] {1, 2, 3, 4}; + ipPrefix = Ip4Prefix.valueOf(value, -1); + } + + /** + * Tests invalid valueOf() converter for IPv4 byte array and + * too long prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfByteArrayTooLongPrefixLengthIPv4() { + Ip4Prefix ipPrefix; + byte[] value; + + value = new byte[] {1, 2, 3, 4}; + ipPrefix = Ip4Prefix.valueOf(value, 33); + } + + /** + * Tests valueOf() converter for IPv4 address. + */ + @Test + public void testValueOfAddressIPv4() { + Ip4Address ipAddress; + Ip4Prefix ipPrefix; + + ipAddress = Ip4Address.valueOf("1.2.3.4"); + ipPrefix = Ip4Prefix.valueOf(ipAddress, 24); + assertThat(ipPrefix.toString(), is("1.2.3.0/24")); + + ipPrefix = Ip4Prefix.valueOf(ipAddress, 32); + assertThat(ipPrefix.toString(), is("1.2.3.4/32")); + + ipAddress = Ip4Address.valueOf("1.2.3.5"); + ipPrefix = Ip4Prefix.valueOf(ipAddress, 32); + assertThat(ipPrefix.toString(), is("1.2.3.5/32")); + + ipAddress = Ip4Address.valueOf("0.0.0.0"); + ipPrefix = Ip4Prefix.valueOf(ipAddress, 0); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf(ipAddress, 32); + assertThat(ipPrefix.toString(), is("0.0.0.0/32")); + + ipAddress = Ip4Address.valueOf("255.255.255.255"); + ipPrefix = Ip4Prefix.valueOf(ipAddress, 0); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf(ipAddress, 16); + assertThat(ipPrefix.toString(), is("255.255.0.0/16")); + + ipPrefix = Ip4Prefix.valueOf(ipAddress, 32); + assertThat(ipPrefix.toString(), is("255.255.255.255/32")); + } + + /** + * Tests invalid valueOf() converter for a null IP address. + */ + @Test(expected = NullPointerException.class) + public void testInvalidValueOfNullAddress() { + Ip4Address ipAddress; + Ip4Prefix ipPrefix; + + ipAddress = null; + ipPrefix = Ip4Prefix.valueOf(ipAddress, 24); + } + + /** + * Tests invalid valueOf() converter for IPv4 address and + * negative prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfAddressNegativePrefixLengthIPv4() { + Ip4Address ipAddress; + Ip4Prefix ipPrefix; + + ipAddress = Ip4Address.valueOf("1.2.3.4"); + ipPrefix = Ip4Prefix.valueOf(ipAddress, -1); + } + + /** + * Tests invalid valueOf() converter for IPv4 address and + * too long prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfAddressTooLongPrefixLengthIPv4() { + Ip4Address ipAddress; + Ip4Prefix ipPrefix; + + ipAddress = Ip4Address.valueOf("1.2.3.4"); + ipPrefix = Ip4Prefix.valueOf(ipAddress, 33); + } + + /** + * Tests valueOf() converter for IPv4 string. + */ + @Test + public void testValueOfStringIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/24"); + assertThat(ipPrefix.toString(), is("1.2.3.0/24")); + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/32"); + assertThat(ipPrefix.toString(), is("1.2.3.4/32")); + + ipPrefix = Ip4Prefix.valueOf("1.2.3.5/32"); + assertThat(ipPrefix.toString(), is("1.2.3.5/32")); + + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/0"); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/32"); + assertThat(ipPrefix.toString(), is("0.0.0.0/32")); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/0"); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/16"); + assertThat(ipPrefix.toString(), is("255.255.0.0/16")); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/32"); + assertThat(ipPrefix.toString(), is("255.255.255.255/32")); + } + + /** + * Tests invalid valueOf() converter for a null string. + */ + @Test(expected = NullPointerException.class) + public void testInvalidValueOfNullString() { + Ip4Prefix ipPrefix; + String fromString; + + fromString = null; + ipPrefix = Ip4Prefix.valueOf(fromString); + } + + /** + * Tests invalid valueOf() converter for an empty string. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfEmptyString() { + Ip4Prefix ipPrefix; + String fromString; + + fromString = ""; + ipPrefix = Ip4Prefix.valueOf(fromString); + } + + /** + * Tests invalid valueOf() converter for an incorrect string. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfIncorrectString() { + Ip4Prefix ipPrefix; + String fromString; + + fromString = "NoSuchIpPrefix"; + ipPrefix = Ip4Prefix.valueOf(fromString); + } + + /** + * Tests invalid valueOf() converter for IPv4 string and + * negative prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfStringNegativePrefixLengthIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/-1"); + } + + /** + * Tests invalid valueOf() converter for IPv4 string and + * too long prefix length. + */ + @Test(expected = IllegalArgumentException.class) + public void testInvalidValueOfStringTooLongPrefixLengthIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/33"); + } + + /** + * Tests IP prefix contains another IP prefix for IPv4. + */ + @Test + public void testContainsIpPrefixIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.0.0/24"); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/24"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/32"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.4/32"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/16"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.3.0.0/24"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/16"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/0"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("255.255.255.255/32"))); + + ipPrefix = Ip4Prefix.valueOf("1.2.0.0/32"); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/24"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/32"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.4/32"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/16"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.3.0.0/24"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/16"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/0"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("255.255.255.255/32"))); + + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/0"); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/24"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/32"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.4/32"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/16"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("1.3.0.0/24"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/16"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/0"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("255.255.255.255/32"))); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/32"); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/24"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/32"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.4/32"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.2.0.0/16"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("1.3.0.0/24"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/16"))); + assertFalse(ipPrefix.contains(Ip4Prefix.valueOf("0.0.0.0/0"))); + assertTrue(ipPrefix.contains(Ip4Prefix.valueOf("255.255.255.255/32"))); + } + + /** + * Tests IP prefix contains IP address for IPv4. + */ + @Test + public void testContainsIpAddressIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.0.0/24"); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("1.2.0.0"))); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("1.2.0.4"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("1.3.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("0.0.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("255.255.255.255"))); + + ipPrefix = Ip4Prefix.valueOf("1.2.0.0/32"); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("1.2.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("1.2.0.4"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("1.3.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("0.0.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("255.255.255.255"))); + + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/0"); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("1.2.0.0"))); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("1.2.0.4"))); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("1.3.0.0"))); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("0.0.0.0"))); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("255.255.255.255"))); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/32"); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("1.2.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("1.2.0.4"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("1.3.0.0"))); + assertFalse(ipPrefix.contains(Ip4Address.valueOf("0.0.0.0"))); + assertTrue(ipPrefix.contains(Ip4Address.valueOf("255.255.255.255"))); + } + + /** + * Tests equality of {@link Ip4Prefix} for IPv4. + */ + @Test + public void testEqualityIPv4() { + new EqualsTester() + .addEqualityGroup(Ip4Prefix.valueOf("1.2.0.0/24"), + Ip4Prefix.valueOf("1.2.0.0/24"), + Ip4Prefix.valueOf("1.2.0.4/24")) + .addEqualityGroup(Ip4Prefix.valueOf("1.2.0.0/16"), + Ip4Prefix.valueOf("1.2.0.0/16")) + .addEqualityGroup(Ip4Prefix.valueOf("1.2.0.0/32"), + Ip4Prefix.valueOf("1.2.0.0/32")) + .addEqualityGroup(Ip4Prefix.valueOf("1.3.0.0/24"), + Ip4Prefix.valueOf("1.3.0.0/24")) + .addEqualityGroup(Ip4Prefix.valueOf("0.0.0.0/0"), + Ip4Prefix.valueOf("0.0.0.0/0")) + .addEqualityGroup(Ip4Prefix.valueOf("255.255.255.255/32"), + Ip4Prefix.valueOf("255.255.255.255/32")) + .testEquals(); + } + + /** + * Tests object string representation for IPv4. + */ + @Test + public void testToStringIPv4() { + Ip4Prefix ipPrefix; + + ipPrefix = Ip4Prefix.valueOf("1.2.3.0/24"); + assertThat(ipPrefix.toString(), is("1.2.3.0/24")); + + ipPrefix = Ip4Prefix.valueOf("1.2.3.4/24"); + assertThat(ipPrefix.toString(), is("1.2.3.0/24")); + + ipPrefix = Ip4Prefix.valueOf("0.0.0.0/0"); + assertThat(ipPrefix.toString(), is("0.0.0.0/0")); + + ipPrefix = Ip4Prefix.valueOf("255.255.255.255/32"); + assertThat(ipPrefix.toString(), is("255.255.255.255/32")); + } +} |