Nothing special here, read HISTORY.md

response_writer_test.go

@@ -1,9 +1,11 @@
 package iris_test
 
 import (
+	"fmt"
+	"testing"
+
 	"github.com/kataras/iris"
 	"github.com/kataras/iris/httptest"
-	"testing"
 )
 
 // most tests lives inside context_test.go:Transactions, there lives the response writer's full and coblex tests
@@ -63,3 +65,35 @@ func TestResponseWriterToRecorderMiddleware(t *testing.T) {
 
 	e.GET("/").Expect().Status(iris.StatusForbidden).Body().Equal(beforeFlushBody)
 }
+
+func ExampleResponseWriter_WriteHeader() {
+	// func TestResponseWriterMultipleWriteHeader(t *testing.T) {
+	iris.ResetDefault()
+	iris.Default.Set(iris.OptionDisableBanner(true))
+
+	expectedOutput := "Hey"
+	iris.Get("/", func(ctx *iris.Context) {
+
+		// here
+		for i := 0; i < 10; i++ {
+			ctx.ResponseWriter.WriteHeader(iris.StatusOK)
+		}
+
+		ctx.Writef(expectedOutput)
+
+		// here
+		fmt.Println(expectedOutput)
+
+		// here
+		for i := 0; i < 10; i++ {
+			ctx.SetStatusCode(iris.StatusOK)
+		}
+	})
+
+	e := httptest.New(iris.Default, nil)
+	e.GET("/").Expect().Status(iris.StatusOK).Body().Equal(expectedOutput)
+	// here it shouldn't log an error that status code write multiple times (by the net/http package.)
+
+	// Output:
+	// Hey
+}