t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
			}
		}

		addrs := listener.Addrs()
		addrSet := set.NewStringSet()
		for _, addr := range addrs {
			addrSet.Add(addr.String())
		}

		if !addrSet.Equals(testCase.expectedAddrs) {
			t.Fatalf("Test %d: addr: expected = %v, got = %v", i+1, testCase.expectedAddrs, addrs)
		}

		listener.Close()
	}