public void TestIsValid()
		{
			FieldControlCurrencyItem item = new FieldControlCurrencyItem();

			item.LCID = 2057; // uk
			item.Text = "1";
			Assert.IsTrue(item.IsValid);
			item.Control.Text = "£1.1";

			item.LCID = 1036; //france
			item.Text = "1";
			Assert.IsTrue(item.IsValid);
			item.Control.Text = "€1";
			Assert.IsTrue(item.IsValid);
		}
		public void TestText()
		{
			FieldControlCurrencyItem item = new FieldControlCurrencyItem();

		
			item.LCID = 2057;
			item.Text = "123";
			Assert.AreEqual("£123", item.Control.Text); // this is shown in the UI
			Assert.AreEqual("123", item.Text); // this is saved to SharePoint

			item.LCID = 6153;
			item.Text = "123";
			Assert.AreEqual("€123", item.Control.Text);
			Assert.AreEqual("123", item.Text);

			item.LCID = 6153;
			item.Text = "";
			Assert.AreEqual("€", item.Control.Text);
			Assert.AreEqual("", item.Text);
		}