test: add tests for decoded port

url/parser_test.go

@@ -211,3 +211,25 @@ func BenchmarkIssue8(b *testing.B) {
 		})
 	}
 }
+
+func TestDecodedPort(t *testing.T) {
+	u, err := Parse("http://example.com:8080")
+	if err != nil {
+		t.Errorf("Parse() error = '%v'", err)
+		return
+	}
+
+	if u.decodedPort != 8080 {
+		t.Errorf("decodedPort got = '%v', want '%v'", u.decodedPort, 8080)
+	}
+
+	relative, err := ParseRef(u.String(), "/")
+	if err != nil {
+		t.Errorf("ParseRef() error = '%v'", err)
+		return
+	}
+
+	if u.decodedPort != relative.decodedPort {
+		t.Errorf("decodedPort got = '%v', want '%v'", relative.decodedPort, u.decodedPort)
+	}
+}

url/url_test.go

@@ -460,3 +460,24 @@ func TestUrl_Getters(t *testing.T) {
 		})
 	}
 }
+
+// Test that DecodedPort returns the correct port number
+func Test_DecodedPort(t *testing.T) {
+	u, _ := Parse("http://example.com:8080")
+
+	u.SetPort("8081")
+	if u.DecodedPort() != 8081 {
+		t.Errorf("DecodedPort() = %v, want %v", u.DecodedPort(), 8081)
+	}
+
+	u.SetPort("")
+
+	// Determine default port for scheme
+	defaultPortString := defaultSpecialSchemes[u.Scheme()]
+	defaultPort, _ := strconv.Atoi(defaultPortString)
+
+	// DecodedPort() should return 80 by default
+	if u.DecodedPort() != defaultPort {
+		t.Errorf("DecodedPort() = %v, want %v", u.DecodedPort(), defaultPort)
+	}
+}