// replace symbol
private void replace_symbol_Click(object sender, RoutedEventArgs e)
{
if (replace_symb.Text.Length == 1)
{
var f = new ReplaceSpaceDecorator(replace_symb.Text[0]);
f.Subformula = formula;
formula = f;
formula_text.Content = string.Format("{0} # {1}",
formula_text.Content, replace_symb.Text);
replace_symb.Text = "";
}
}
public void TestReplaceSpace()
{
ReplaceSpaceDecorator tmp = new ReplaceSpaceDecorator('4');
Assert.AreEqual(tmp.Calculate(getTestDictonary()), 4);
}
