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Add tests for link-local addresses.

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This commit is contained in:
akwizgran
2018-01-10 11:00:13 +00:00
parent bf953012af
commit 1a4aa7f065
1 changed files with 21 additions and 0 deletions
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21
bramble-core/src/test/java/org/briarproject/bramble/plugin/tcp/LanTcpPluginTest.java
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@@ -58,6 +58,9 @@ public class LanTcpPluginTest extends BrambleTestCase {
// Local and remote in 192.168.0.0/16 should return true
assertTrue(plugin.addressesAreOnSameLan(makeAddress(192, 168, 0, 0),
makeAddress(192, 168, 255, 255)));
// Local and remote in 169.254.0.0/16 (link-local) should return true
assertTrue(plugin.addressesAreOnSameLan(makeAddress(169, 254, 0, 0),
makeAddress(169, 254, 255, 255)));
// Local and remote in different recognised prefixes should return false
assertFalse(plugin.addressesAreOnSameLan(makeAddress(10, 0, 0, 0),
makeAddress(172, 31, 255, 255)));
@@ -304,6 +307,24 @@ public class LanTcpPluginTest extends BrambleTestCase {
assertEquals(0, comparator.compare(prefix10, prefix10));
}
@Test
public void testComparatorPrefersSiteLocalToLinkLocal() throws Exception {
Comparator<InetSocketAddress> comparator = new LanAddressComparator();
InetSocketAddress prefix192 = new InetSocketAddress("192.168.0.1", 0);
InetSocketAddress prefix172 = new InetSocketAddress("172.16.0.1", 0);
InetSocketAddress prefix10 = new InetSocketAddress("10.0.0.1", 0);
InetSocketAddress linkLocal = new InetSocketAddress("169.254.0.1", 0);
assertTrue(comparator.compare(prefix192, linkLocal) < 0);
assertTrue(comparator.compare(prefix172, linkLocal) < 0);
assertTrue(comparator.compare(prefix10, linkLocal) < 0);
assertTrue(comparator.compare(linkLocal, prefix192) > 0);
assertTrue(comparator.compare(linkLocal, prefix172) > 0);
assertTrue(comparator.compare(linkLocal, prefix10) > 0);
assertEquals(0, comparator.compare(linkLocal, linkLocal));
}
private boolean systemHasLocalIpv4Address() throws Exception {
for (NetworkInterface i : Collections.list(
NetworkInterface.getNetworkInterfaces())) {