public void TestClearBody() { NmsTextMessage nmsTextMessage = factory.CreateTextMessage(); nmsTextMessage.Text = "string"; nmsTextMessage.ClearBody(); Assert.False(nmsTextMessage.IsReadOnly); Assert.IsNull(nmsTextMessage.Text); try { nmsTextMessage.Text = "String"; var text = nmsTextMessage.Text; } catch (MessageNotWriteableException) { Assert.Fail("Should be writable"); } catch (MessageNotReadableException) { Assert.Fail("should be readable"); } }