| package org.projectfloodlight.openflow.types; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| |
| import java.net.Inet6Address; |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| |
| import org.hamcrest.CoreMatchers; |
| import org.jboss.netty.buffer.ChannelBuffers; |
| import org.junit.Test; |
| import org.projectfloodlight.openflow.exceptions.OFParseError; |
| |
| import com.google.common.io.BaseEncoding; |
| |
| public class IPv6AddressTest { |
| |
| String[] testStrings = { |
| "::", |
| "::1", |
| "ffe0::", |
| "1:2:3:4:5:6:7:8" |
| }; |
| |
| |
| private final BaseEncoding hex = BaseEncoding.base16().omitPadding().lowerCase(); |
| |
| private class WithMaskTaskCase { |
| final String input; |
| boolean hasMask; |
| int expectedMaskLength = 128; |
| byte[] expectedMask = hex.decode("ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff".replaceAll(" ", "")); |
| |
| public WithMaskTaskCase(String input) { |
| super(); |
| this.input = input; |
| } |
| |
| public WithMaskTaskCase maskHex(String string) { |
| string = string.replaceAll(" ", ""); |
| this.hasMask = true; |
| expectedMask = hex.decode(string); |
| return this; |
| } |
| |
| public WithMaskTaskCase expectedMaskLength(int expectedLength) { |
| this.expectedMaskLength = expectedLength; |
| return this; |
| } |
| |
| } |
| |
| WithMaskTaskCase[] withMasks = new WithMaskTaskCase[] { |
| new WithMaskTaskCase("1::1/80") |
| .maskHex("ff ff ff ff ff ff ff ff ff ff 00 00 00 00 00 00") |
| .expectedMaskLength(80), |
| |
| new WithMaskTaskCase("ffff:ffee:1::/ff00:ff00:ff00:ff00::") |
| .maskHex("ff 00 ff 00 ff 00 ff 00 00 00 00 00 00 00 00 00") |
| .expectedMaskLength(-1), |
| new WithMaskTaskCase("8:8:8:8:8:8:8:8"), |
| new WithMaskTaskCase("8:8:8:8:8:8:8:8"), |
| new WithMaskTaskCase("1:2:3:4:5:6:7:8/128"), |
| new WithMaskTaskCase("::/0") |
| .maskHex("00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00") |
| .expectedMaskLength(0), |
| }; |
| |
| @Test |
| public void testMasked() throws UnknownHostException { |
| for(WithMaskTaskCase w: withMasks) { |
| IPv6AddressWithMask value = IPv6AddressWithMask.of(w.input); |
| if (!w.hasMask) { |
| IPv6Address ip = value.getValue(); |
| InetAddress inetAddress = InetAddress.getByName(w.input.split("/")[0]); |
| |
| assertArrayEquals(ip.getBytes(), inetAddress.getAddress()); |
| assertEquals(w.input.split("/")[0], ip.toString()); |
| } |
| InetAddress inetAddress = InetAddress.getByName(w.input.split("/")[0]); |
| |
| assertEquals("Input " + w.input, w.expectedMaskLength, value.getMask().asCidrMaskLength()); |
| |
| byte[] address = inetAddress.getAddress(); |
| assertEquals(address.length, value.getValue().getBytes().length); |
| |
| for (int j = 0; j < address.length; j++) { |
| address[j] &= w.expectedMask[j]; |
| } |
| |
| assertThat("Address bytes for input " + w.input + ", value=" + value, value.getValue().getBytes(), CoreMatchers.equalTo(address)); |
| assertThat("mask check for input " + w.input + ", value=" + value, value.getMask().getBytes(), CoreMatchers.equalTo(w.expectedMask)); |
| } |
| for (int i = 0; i <= 128; i++) { |
| String ipString = String.format("8001:2::1/%d", i); |
| IPv6AddressWithMask value = IPv6AddressWithMask.of(ipString); |
| assertEquals("Input " + ipString, i, value.getMask().asCidrMaskLength()); |
| } |
| } |
| |
| |
| @Test |
| public void testOfString() throws UnknownHostException { |
| for(int i=0; i < testStrings.length; i++ ) { |
| IPv6Address ip = IPv6Address.of(testStrings[i]); |
| InetAddress inetAddress = InetAddress.getByName(testStrings[i]); |
| |
| assertArrayEquals(ip.getBytes(), inetAddress.getAddress()); |
| assertEquals(testStrings[i], ip.toString()); |
| } |
| } |
| |
| @Test |
| public void testOfByteArray() throws UnknownHostException { |
| for(int i=0; i < testStrings.length; i++ ) { |
| byte[] bytes = Inet6Address.getByName(testStrings[i]).getAddress(); |
| IPv6Address ip = IPv6Address.of(bytes); |
| assertEquals(testStrings[i], ip.toString()); |
| assertArrayEquals(bytes, ip.getBytes()); |
| } |
| } |
| |
| @Test |
| public void testReadFrom() throws OFParseError, UnknownHostException { |
| for(int i=0; i < testStrings.length; i++ ) { |
| byte[] bytes = Inet6Address.getByName(testStrings[i]).getAddress(); |
| IPv6Address ip = IPv6Address.read16Bytes(ChannelBuffers.copiedBuffer(bytes)); |
| assertEquals(testStrings[i], ip.toString()); |
| assertArrayEquals(bytes, ip.getBytes()); |
| } |
| } |
| |
| String[] invalidIPs = { |
| "", |
| ":", |
| "1:2:3:4:5:6:7:8:9", |
| "1:2:3:4:5:6:7:8:", |
| "1:2:3:4:5:6:7:8g", |
| "1:2:3:", |
| "12345::", |
| "1::3::8", |
| "::3::" |
| }; |
| |
| @Test |
| public void testInvalidIPs() throws OFParseError { |
| for(String invalid : invalidIPs) { |
| try { |
| IPv6Address.of(invalid); |
| fail("Invalid IP "+invalid+ " should have raised IllegalArgumentException"); |
| } catch(IllegalArgumentException e) { |
| // ok |
| } |
| } |
| } |
| |
| @Test |
| public void testZeroCompression() throws OFParseError { |
| assertEquals("::", IPv6Address.of("::").toString(true, false)); |
| assertEquals("0:0:0:0:0:0:0:0", IPv6Address.of("::").toString(false, false)); |
| assertEquals("0000:0000:0000:0000:0000:0000:0000:0000", IPv6Address.of("::").toString(false, true)); |
| assertEquals("1::4:5:6:0:8", IPv6Address.of("1:0:0:4:5:6:0:8").toString(true, false)); |
| assertEquals("1:0:0:4::8", IPv6Address.of("1:0:0:4:0:0:0:8").toString(true, false)); |
| } |
| |
| @Test |
| public void testSuperclass() throws Exception { |
| for(String ipString: testStrings) { |
| IPAddress<?> superIp = IPAddress.of(ipString); |
| assertEquals(IPVersion.IPv6, superIp.getIpVersion()); |
| assertEquals(IPv6Address.of(ipString), superIp); |
| } |
| |
| for(WithMaskTaskCase w: withMasks) { |
| String ipMaskedString = w.input; |
| IPAddressWithMask<?> superIp = IPAddressWithMask.of(ipMaskedString); |
| assertEquals(IPVersion.IPv6, superIp.getIpVersion()); |
| assertEquals(IPv6AddressWithMask.of(ipMaskedString), superIp); |
| } |
| } |
| } |