public void Validated_Direct_Property_Receives_BindingNotifications()
{
var source = new ValidationTestModel { MustBePositive = 5 };
var target = new TestControl
{
DataContext = source,
};
target.Bind(
TestControl.ValidatedDirectProperty,
new Binding(nameof(source.MustBePositive), BindingMode.TwoWay));
target.ValidatedDirect = 6;
target.ValidatedDirect = -1;
target.ValidatedDirect = 7;
Assert.Equal(
new[]
{
new BindingNotification(5),
new BindingNotification(6),
new BindingNotification(new ArgumentOutOfRangeException("value"), BindingErrorType.DataValidationError),
new BindingNotification(7),
},
target.Notifications.AsEnumerable());
}
public void TwoWay_Binding_Should_Be_Set_Up_GC_Collect()
{
var source = new WeakRefSource {
Foo = null
};
var target = new TestControl {
DataContext = source
};
var binding = new Binding
{
Path = "Foo",
Mode = BindingMode.TwoWay
};
target.Bind(TestControl.ValueProperty, binding);
var ref1 = AssignValue(target, "ref1");
Assert.Equal(ref1.Target, source.Foo);
GC.Collect();
GC.WaitForPendingFinalizers();
var ref2 = AssignValue(target, "ref2");
GC.Collect();
GC.WaitForPendingFinalizers();
target.Value = null;
Assert.Null(source.Foo);
}
public void Validated_Direct_Property_Receives_BindingNotifications()
{
var source = new ValidationTestModel {
MustBePositive = 5
};
var target = new TestControl
{
DataContext = source,
};
target.Bind(
TestControl.ValidatedDirectProperty,
new Binding(nameof(source.MustBePositive), BindingMode.TwoWay));
target.ValidatedDirect = 6;
target.ValidatedDirect = -1;
target.ValidatedDirect = 7;
Assert.Equal(
new[]
{
new BindingNotification(5),
new BindingNotification(6),
new BindingNotification(new ArgumentOutOfRangeException("value"), BindingErrorType.DataValidationError),
new BindingNotification(7),
},
target.Notifications.AsEnumerable());
}
public void Passed_Validation_Should_Not_Add_Invalid_Pseudo_Class()
{
var control = new TestControl();
var model = new ValidationTestModel { MustBePositive = 1 };
var binding = new Binding
{
Path = nameof(model.MustBePositive),
Mode = BindingMode.TwoWay,
EnableValidation = true,
};
control.Bind(TestControl.ValidationTestProperty, binding);
control.DataContext = model;
Assert.DoesNotContain(control.Classes, x => x == ":invalid");
}
public void Enabled_Validation_Should_Trigger_Validation_Change_On_Exception()
{
var source = new ValidationTestModel { MustBePositive = 5 };
var target = new TestControl { DataContext = source };
var binding = new Binding
{
Path = nameof(source.MustBePositive),
Mode = BindingMode.TwoWay,
EnableValidation = true,
};
target.Bind(TestControl.ValidationTestProperty, binding);
target.ValidationTest = -5;
Assert.False(target.ValidationStatus.IsValid);
}
public void Passed_Validation_Should_Not_Add_Invalid_Pseudo_Class()
{
var control = new TestControl();
var model = new ValidationTestModel {
MustBePositive = 1
};
var binding = new Binding
{
Path = nameof(model.MustBePositive),
Mode = BindingMode.TwoWay,
EnableValidation = true,
};
control.Bind(TestControl.ValidationTestProperty, binding);
control.DataContext = model;
Assert.DoesNotContain(control.Classes, x => x == ":invalid");
}
public void Enabled_Validation_Should_Trigger_Validation_Change_On_Exception()
{
var source = new ValidationTestModel {
MustBePositive = 5
};
var target = new TestControl {
DataContext = source
};
var binding = new Binding
{
Path = nameof(source.MustBePositive),
Mode = BindingMode.TwoWay,
EnableValidation = true,
};
target.Bind(TestControl.ValidationTestProperty, binding);
target.ValidationTest = -5;
Assert.False(target.ValidationStatus.IsValid);
}