public void ChildBindingWithNameShouldUpdateProperly()
{
var item = new BindObject();
var binding = Eto.Forms.Binding.Property <int>("ChildBindObject.IntProperty");
int changed = 0;
binding.AddValueChangedHandler(item, (sender, e) => changed++);
BindObject oldChild;
item.ChildBindObject = oldChild = new BindObject();
Assert.AreEqual(1, changed);
Assert.AreEqual(0, binding.GetValue(item));
item.ChildBindObject.IntProperty = 2;
Assert.AreEqual(2, changed);
Assert.AreEqual(2, binding.GetValue(item));
item.ChildBindObject = new BindObject {
IntProperty = 3
};
Assert.AreEqual(3, changed);
Assert.AreEqual(3, binding.GetValue(item));
oldChild.IntProperty = 4; // we should not be hooked into change events of the old child, since we have a new one now!
Assert.AreEqual(3, changed);
Assert.AreEqual(3, binding.GetValue(item));
}
public void DoublePropertyShouldUpdate()
{
var bindObject = new BindObject { DoubleProperty = 0 };
var binding = new ObjectBinding<double>(bindObject, "DoubleProperty");
Assert.AreEqual(binding.DataValue, bindObject.DoubleProperty, "Data value should equal object value");
bindObject.DoubleProperty = 1.2;
Assert.AreEqual(binding.DataValue, bindObject.DoubleProperty, "Data value should equal object value");
}
public void IntPropertyShouldUpdate()
{
var bindObject = new BindObject { IntProperty = 0 };
var binding = new ObjectBinding<int>(bindObject, "IntProperty");
Assert.AreEqual(binding.DataValue, bindObject.IntProperty, "Data value should equal object value");
bindObject.IntProperty = 1;
Assert.AreEqual(binding.DataValue, bindObject.IntProperty, "Data value should equal object value");
}
public void StringPropertyShouldUpdate()
{
var bindObject = new BindObject { StringProperty = "Initial Value" };
var binding = new ObjectBinding<string>(bindObject, "StringProperty");
Assert.AreEqual(binding.DataValue, bindObject.StringProperty, "Data value should equal object value");
bindObject.StringProperty = "Other Value";
Assert.AreEqual(binding.DataValue, bindObject.StringProperty, "Data value should equal object value");
bindObject.StringProperty = null;
Assert.AreEqual(binding.DataValue, bindObject.StringProperty, "Data value should equal object value");
}
public void BoolPropertyShouldUpdate()
{
var bindObject = new BindObject { BoolProperty = true };
var binding = new ObjectBinding<bool>(bindObject, "BoolProperty");
Assert.AreEqual(binding.DataValue, bindObject.BoolProperty, "Data value should equal object value");
bindObject.BoolProperty = false;
Assert.AreEqual(binding.DataValue, bindObject.BoolProperty, "Data value should equal object value");
bindObject.BoolProperty = true;
Assert.AreEqual(binding.DataValue, bindObject.BoolProperty, "Data value should equal object value");
}
public void DoublePropertyShouldUpdate()
{
var bindObject = new BindObject {
DoubleProperty = 0
};
var binding = new ObjectBinding <double>(bindObject, "DoubleProperty");
Assert.AreEqual(binding.DataValue, bindObject.DoubleProperty, "Data value should equal object value");
bindObject.DoubleProperty = 1.2;
Assert.AreEqual(binding.DataValue, bindObject.DoubleProperty, "Data value should equal object value");
}
public void IntPropertyShouldUpdate()
{
var bindObject = new BindObject {
IntProperty = 0
};
var binding = new ObjectBinding <int>(bindObject, "IntProperty");
Assert.AreEqual(binding.DataValue, bindObject.IntProperty, "Data value should equal object value");
bindObject.IntProperty = 1;
Assert.AreEqual(binding.DataValue, bindObject.IntProperty, "Data value should equal object value");
}
public void BoolPropertyShouldUpdate()
{
var bindObject = new BindObject {
BoolProperty = true
};
var binding = new ObjectBinding <bool>(bindObject, "BoolProperty");
Assert.AreEqual(binding.DataValue, bindObject.BoolProperty, "Data value should equal object value");
bindObject.BoolProperty = false;
Assert.AreEqual(binding.DataValue, bindObject.BoolProperty, "Data value should equal object value");
bindObject.BoolProperty = true;
Assert.AreEqual(binding.DataValue, bindObject.BoolProperty, "Data value should equal object value");
}
public void StringPropertyShouldUpdate()
{
var bindObject = new BindObject {
StringProperty = "Initial Value"
};
var binding = new ObjectBinding <string>(bindObject, "StringProperty");
Assert.AreEqual(binding.DataValue, bindObject.StringProperty, "Data value should equal object value");
bindObject.StringProperty = "Other Value";
Assert.AreEqual(binding.DataValue, bindObject.StringProperty, "Data value should equal object value");
bindObject.StringProperty = null;
Assert.AreEqual(binding.DataValue, bindObject.StringProperty, "Data value should equal object value");
}
public void NonExistantPropertyShouldNotCrash()
{
var item = new BindObject();
var binding = Eto.Forms.Binding.Property <int?>("SomePropertyThatDoesntExist");
int changed = 0;
EventHandler <EventArgs> valueChanged = (sender, e) => changed++;
var changeReference = binding.AddValueChangedHandler(item, valueChanged);
Assert.AreEqual(0, changed);
Assert.AreEqual(null, binding.GetValue(item));
Assert.DoesNotThrow(() => binding.SetValue(item, 123));
binding.RemoveValueChangedHandler(changeReference, valueChanged);
}
public void BindingWithNameShouldUpdateProperly()
{
var item = new BindObject();
var binding = Eto.Forms.Binding.Property <int>("IntProperty");
int changed = 0;
binding.AddValueChangedHandler(item, (sender, e) => changed++);
Assert.AreEqual(0, changed);
Assert.AreEqual(0, binding.GetValue(item));
item.IntProperty = 2;
Assert.AreEqual(1, changed);
Assert.AreEqual(2, binding.GetValue(item));
item.IntProperty = 4;
Assert.AreEqual(2, changed);
Assert.AreEqual(4, binding.GetValue(item));
}