ensure unmarshaled entities can be marshaled back (#773)

pkg/headers/authenticate_test.go

@@ -135,9 +135,11 @@ func FuzzAuthenticateUnmarshal(f *testing.F) {
 	f.Fuzz(func(_ *testing.T, b string) {
 		var h Authenticate
 		err := h.Unmarshal(base.HeaderValue{b})
-		if err == nil {
-			h.Marshal()
+		if err != nil {
+			return
 		}
+
+		h.Marshal()
 	})
 }
 

pkg/headers/authorization_test.go

@@ -132,9 +132,11 @@ func FuzzAuthorizationUnmarshal(f *testing.F) {
 	f.Fuzz(func(_ *testing.T, b string) {
 		var h Authorization
 		err := h.Unmarshal(base.HeaderValue{b})
-		if err == nil {
-			h.Marshal()
+		if err != nil {
+			return
 		}
+
+		h.Marshal()
 	})
 }
 

pkg/headers/range_test.go

@@ -152,9 +152,11 @@ func FuzzRangeUnmarshal(f *testing.F) {
 	f.Fuzz(func(_ *testing.T, b string) {
 		var h Range
 		err := h.Unmarshal(base.HeaderValue{b})
-		if err == nil {
-			h.Marshal()
+		if err != nil {
+			return
 		}
+
+		h.Marshal()
 	})
 }
 

pkg/headers/rtpinfo_test.go

@@ -159,9 +159,11 @@ func FuzzRTPInfoUnmarshal(f *testing.F) {
 	f.Fuzz(func(_ *testing.T, b string) {
 		var h RTPInfo
 		err := h.Unmarshal(base.HeaderValue{b})
-		if err == nil {
-			h.Marshal()
+		if err != nil {
+			return
 		}
+
+		h.Marshal()
 	})
 }
 

pkg/headers/session_test.go

@@ -72,9 +72,11 @@ func FuzzSessionUnmarshal(f *testing.F) {
 	f.Fuzz(func(_ *testing.T, b string) {
 		var h Session
 		err := h.Unmarshal(base.HeaderValue{b})
-		if err == nil {
-			h.Marshal()
+		if err != nil {
+			return
 		}
+
+		h.Marshal()
 	})
 }
 

pkg/headers/transport_test.go

@@ -257,9 +257,11 @@ func FuzzTransportsUnmarshal(f *testing.F) {
 	f.Fuzz(func(_ *testing.T, b string) {
 		var h Transports
 		err := h.Unmarshal(base.HeaderValue{b})
-		if err == nil {
-			h.Marshal()
+		if err != nil {
+			return
 		}
+
+		h.Marshal()
 	})
 }