import (
	"net/http"
	"net/http/httptest"
	"testing"
)

func noopHandler() http.HandlerFunc {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// noop
	})
}

func TestWithContentType(t *testing.T) {
	mux := http.NewServeMux()
	mux.Handle("/text", WithContentType(noopHandler(), "text/plain"))
	mux.Handle("/json", WithContentType(noopHandler(), "application/json"))
	tests := []struct {