public void CustomIDataErrorInfoImplementation()
{
IDataErrorInfo vm = CustomExplicitDataErrorInfoPropertyImplementation.Create();
var hwvm = new HandwrittenDataErrorInfoClass();
Assert.Equal(hwvm["StringProp"], vm["StringProp"]);
Assert.Equal("custom error", vm.Error);
}
public void CustomIDataErrorIndexerImplementation_Implicit()
{
IDataErrorInfo vm = CustomImplicitDataErrorInfoIndexerImplementation.Create();
var hwvm = new HandwrittenDataErrorInfoClass();
Assert.Equal("StringProp error", vm["StringProp"]);
Assert.Equal(string.Empty, vm.Error);
}
public void ImplementIDataErrorInfo()
{
var vm = AttributedDataErrorInfoClass.Create();
var asInfo = vm as IDataErrorInfo;
var hwvm = new HandwrittenDataErrorInfoClass();
Assert.True(vm is IDataErrorInfo);
Assert.Equal(hwvm[""], asInfo[""]);
Assert.Equal(hwvm["StringProp"], asInfo["StringProp"]);
Assert.Equal(hwvm.Error, asInfo.Error);
vm.StringProp = "";
hwvm.StringProp = "";
Assert.Equal(hwvm["StringProp"], asInfo["StringProp"]);
Assert.Equal(hwvm.Error, asInfo.Error);
vm.StringProp = "123";
hwvm.StringProp = "123";
Assert.Equal(hwvm["StringProp"], asInfo["StringProp"]);
Assert.Equal(hwvm.Error, asInfo.Error);
}
