public void testIsatapAddresses() {
InetAddress ipv4 = InetAddresses.forString("1.2.3.4");
String[] validIsatapAddresses = {
"2001:db8::5efe:102:304",
"2001:db8::100:5efe:102:304", // Private Multicast? Not likely.
"2001:db8::200:5efe:102:304",
"2001:db8::300:5efe:102:304" // Public Multicast? Also unlikely.
};
String[] nonIsatapAddresses = {
"::1.2.3.4",
"3ffe::1",
"::",
"::1",
"2001:db8::0040:5efe:102:304",
"2001:db8::5ffe:102:304",
"2001:db8::5eff:102:304",
"2001:0:102:203:200:5efe:506:708", // Teredo address; not ISATAP
};
for (int i = 0; i < validIsatapAddresses.length; i++) {
InetAddress ip = InetAddresses.forString(validIsatapAddresses[i]);
assertTrue(InetAddresses.isIsatapAddress((Inet6Address) ip));
assertEquals(
"checking '" + validIsatapAddresses[i] + "'",
ipv4,
InetAddresses.getIsatapIPv4Address((Inet6Address) ip));
}
for (int i = 0; i < nonIsatapAddresses.length; i++) {
InetAddress ip = InetAddresses.forString(nonIsatapAddresses[i]);
assertFalse(InetAddresses.isIsatapAddress((Inet6Address) ip));
try {
InetAddresses.getIsatapIPv4Address((Inet6Address) ip);
fail("IllegalArgumentException expected for '" + nonIsatapAddresses[i] + "'");
} catch (IllegalArgumentException expected) {
// expected behavior
}
}
}
