diff --git a/common/net/address_test.go b/common/net/address_test.go
index 9ddeb6f7..29b62fe2 100644
--- a/common/net/address_test.go
+++ b/common/net/address_test.go
@@ -14,6 +14,8 @@ func TestIPv4Address(t *testing.T) {
 	addr := IPAddress(ip, port)
 
 	assert.Bool(addr.IsIPv4()).IsTrue()
+	assert.Bool(addr.IsIPv6()).IsFalse()
+	assert.Bool(addr.IsDomain()).IsFalse()
 	assert.Bytes(addr.IP()).Equals(ip)
 	assert.Uint16(addr.Port()).Equals(port)
 	assert.String(addr.String()).Equals("1.2.3.4:80")
@@ -32,6 +34,8 @@ func TestIPv6Address(t *testing.T) {
 	addr := IPAddress(ip, port)
 
 	assert.Bool(addr.IsIPv6()).IsTrue()
+	assert.Bool(addr.IsIPv4()).IsFalse()
+	assert.Bool(addr.IsDomain()).IsFalse()
 	assert.Bytes(addr.IP()).Equals(ip)
 	assert.Uint16(addr.Port()).Equals(port)
 	assert.String(addr.String()).Equals("[102:304:102:304:102:304:102:304]:443")
@@ -45,6 +49,8 @@ func TestDomainAddress(t *testing.T) {
 	addr := DomainAddress(domain, port)
 
 	assert.Bool(addr.IsDomain()).IsTrue()
+	assert.Bool(addr.IsIPv4()).IsFalse()
+	assert.Bool(addr.IsIPv6()).IsFalse()
 	assert.String(addr.Domain()).Equals(domain)
 	assert.Uint16(addr.Port()).Equals(port)
 	assert.String(addr.String()).Equals("v2ray.com:443")