public void SetValue_Should_Not_Cause_StackOverflow_And_Have_Correct_Values()
{
var viewModel = new TestStackOverflowViewModel()
{
Value = 50
};
var target = new Class1();
target.Bind(Class1.DoubleValueProperty, new Binding("Value")
{
Mode = BindingMode.TwoWay,
Source = viewModel
});
var child = new Class1();
child[!!Class1.DoubleValueProperty] = target[!!Class1.DoubleValueProperty];
Assert.Equal(1, viewModel.SetterInvokedCount);
// Issues #855 and #824 were causing a StackOverflowException at this point.
target.DoubleValue = 51.001;
Assert.Equal(2, viewModel.SetterInvokedCount);
double expected = 51;
Assert.Equal(expected, viewModel.Value);
Assert.Equal(expected, target.DoubleValue);
Assert.Equal(expected, child.DoubleValue);
}
public void SelectedItem_Should_Not_Cause_StackOverflow()
{
var viewModel = new TestStackOverflowViewModel()
{
Items = new List <string> {
"foo", "bar", "baz"
}
};
var target = new ListBox
{
Template = new FuncControlTemplate(CreateListBoxTemplate),
DataContext = viewModel,
Items = viewModel.Items
};
target.Bind(ListBox.SelectedItemProperty,
new Binding("SelectedItem")
{
Mode = BindingMode.TwoWay
});
Assert.Equal(0, viewModel.SetterInvokedCount);
// In Issue #855, a Stackoverflow occured here.
target.SelectedItem = viewModel.Items[2];
Assert.Equal(viewModel.Items[1], target.SelectedItem);
Assert.Equal(1, viewModel.SetterInvokedCount);
}
public void SetValue_Should_Not_Cause_StackOverflow_And_Have_Correct_Values()
{
var viewModel = new TestStackOverflowViewModel()
{
Value = 50
};
var target = new DirectPropertyClass();
target.Bind(DirectPropertyClass.DoubleValueProperty, new Binding("Value")
{
Mode = BindingMode.TwoWay,
Source = viewModel
});
var child = new DirectPropertyClass();
child.Bind(DirectPropertyClass.DoubleValueProperty,
new Binding("DoubleValue")
{
Mode = BindingMode.TwoWay,
Source = target
});
Assert.Equal(1, viewModel.SetterInvokedCount);
//here in real life stack overflow exception is thrown issue #855 and #824
target.DoubleValue = 51.001;
Assert.Equal(2, viewModel.SetterInvokedCount);
double expected = 51;
Assert.Equal(expected, viewModel.Value);
Assert.Equal(expected, target.DoubleValue);
Assert.Equal(expected, child.DoubleValue);
}
public void SetValue_Should_Not_Cause_StackOverflow(bool useXamlBinding)
{
var viewModel = new TestStackOverflowViewModel()
{
Value = 50
};
Track track = null;
var target = new TestRange()
{
Template = new FuncControlTemplate <RangeBase>(c =>
{
track = new Track()
{
Width = 100,
Orientation = Orientation.Horizontal,
[~~Track.MinimumProperty] = c[~~RangeBase.MinimumProperty],
[~~Track.MaximumProperty] = c[~~RangeBase.MaximumProperty],
Name = "PART_Track",
Thumb = new Thumb()
};
if (useXamlBinding)
{
track.Bind(Track.ValueProperty, new Binding("Value")
{
Mode = BindingMode.TwoWay,
Source = c,
Priority = BindingPriority.Style
});
}
else
{
track[~~Track.ValueProperty] = c[~~RangeBase.ValueProperty];
}
return(track);
}),
Minimum = 0,
Maximum = 100,
DataContext = viewModel
};
target.Bind(TestRange.ValueProperty, new Binding("Value")
{
Mode = BindingMode.TwoWay
});
target.ApplyTemplate();
track.Measure(new Size(100, 0));
track.Arrange(new Rect(0, 0, 100, 0));
Assert.Equal(1, viewModel.SetterInvokedCount);
// Issues #855 and #824 were causing a StackOverflowException at this point.
target.Value = 51.001;
Assert.Equal(2, viewModel.SetterInvokedCount);
double expected = 51;
Assert.Equal(expected, viewModel.Value);
Assert.Equal(expected, target.Value);
Assert.Equal(expected, track.Value);
}
