@Test
public void testIllegalArguments() throws Exception {
DnsClient dns = prepareDns(FakeDNSServer.testResolveAAAA("::1"));
assertNullPointerException(() -> dns.lookup(null, ar -> {}));
assertNullPointerException(() -> dns.lookup4(null, ar -> {}));
assertNullPointerException(() -> dns.lookup6(null, ar -> {}));
assertNullPointerException(() -> dns.resolveA(null, ar -> {}));
assertNullPointerException(() -> dns.resolveAAAA(null, ar -> {}));
assertNullPointerException(() -> dns.resolveCNAME(null, ar -> {}));
assertNullPointerException(() -> dns.resolveMX(null, ar -> {}));
assertNullPointerException(() -> dns.resolveTXT(null, ar -> {}));
assertNullPointerException(() -> dns.resolvePTR(null, ar -> {}));
assertNullPointerException(() -> dns.resolveNS(null, ar -> {}));
assertNullPointerException(() -> dns.resolveSRV(null, ar -> {}));
dnsServer.stop();
}
@Test
public void testResolveMX() throws Exception {
final String mxRecord = "mail.vertx.io";
final int prio = 10;
DnsClient dns = prepareDns(FakeDNSServer.testResolveMX(prio, mxRecord));
dns.resolveMX(
"vertx.io",
ar -> {
List<MxRecord> result = ar.result();
assertNotNull(result);
assertFalse(result.isEmpty());
assertEquals(1, result.size());
MxRecord record = result.get(0);
assertEquals(prio, record.priority());
assertEquals(record.name(), mxRecord);
testComplete();
});
await();
dnsServer.stop();
}