public void GroupNameFromItem_Converter () { // An invalid name means return null var ob = new Rectangle { Width = 100 }; var converter = new ValueConverter { Converter = (value, targetType, parameter, culture) => { return Convert.ToInt32 (value) - 50; } }; var p = new PropertyGroupDescription ("Width", converter); var result = p.GroupNameFromItem (ob, 0, null); Assert.IsInstanceOfType<int> (result, "#1"); Assert.AreEqual (50, (int) result, "#2"); }
public void GroupNameFromItem_Converter_CheckParameters() { // An invalid name means return null var ob = new Rectangle { Width = 100 }; var converter = new ValueConverter { Converter = (value, targetType, parameter, culture) => { Assert.IsInstanceOfType<double> (value, "#1"); Assert.AreEqual (100.0, (double) value, "#2"); Assert.AreSame (typeof (object), targetType, "#3"); Assert.IsInstanceOfType<int> (parameter, "#4"); Assert.AreEqual (77, (int) parameter, "#5"); Assert.IsNull (culture, "#6"); return 50; } }; var p = new PropertyGroupDescription ("Width", converter); p.GroupNameFromItem (ob, 77, null); }