add test case for ensureNotPointer

binding/binding_test.go

@@ -984,3 +984,7 @@ func requestWithBody(method, path, body string) (req *http.Request) {
 	req, _ = http.NewRequest(method, path, bytes.NewBufferString(body))
 	return
 }
+
+func TestEnsureNotPointer(t *testing.T) {
+	assert.Panics(t, func() { ensureNotPointer(&struct{}{}) })
+}