public void ClearingABinding()
{
var source = new BindingTestSource {
SourceProperty = 100
};
var target = new BindingTestTarget();
var binding = new Binding("SourceProperty")
{
Source = source,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
var bindingOperation = BindingOperations.GetBindingExpression(target, BindingTestTarget.TargetPropertyProperty);
Assert.AreEqual("100", target.TargetProperty);
BindingOperations.ClearBinding(target, BindingTestTarget.TargetPropertyProperty);
target.TargetProperty = "10";
Assert.AreEqual("10", target.TargetProperty);
Assert.AreEqual(100, source.SourceProperty);
Assert.IsFalse(SWC.Validation.GetHasError(target));
}
public void DataItemIsByDefault()
{
var target = new BindingTestTarget();
var binding = new Binding("SourceProperty")
{
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
Assert.IsNull(target.TargetProperty);
var bindingExpression = BindingOperations.GetBindingExpression(target, BindingTestTarget.TargetPropertyProperty);
Assert.IsNull(bindingExpression.DataItem);
Assert.AreEqual("SourceProperty", bindingExpression.ParentBinding.Path.Path);
}
public void DataItemIsDataContextIfSourceIsNotExplicitlySet()
{
var target = new BindingTestTarget();
var sourceDataContext = new BindingTestSource();
target.DataContext = sourceDataContext;
var binding = new Binding("SourceProperty")
{
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
var bindingExpression = BindingOperations.GetBindingExpression(target, BindingTestTarget.TargetPropertyProperty);
Assert.AreSame(sourceDataContext, bindingExpression.DataItem);
Assert.AreEqual("SourceProperty", bindingExpression.ParentBinding.Path.Path);
}
public void BindingLogsErrorIfValueIfValueConversionFails()
{
var source = new BindingTestSource { SourceProperty = 100 };
var target = new BindingTestTarget();
var binding = new Binding("SourceProperty")
{
Source = source,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
Assert.AreEqual("100", target.TargetProperty);
target.TargetProperty = "zzz";
Assert.AreEqual("zzz", target.TargetProperty);
Assert.AreEqual(100, source.SourceProperty);
Assert.IsTrue(SWC.Validation.GetHasError(target));
}
public void BindingSetsValue()
{
var source = new BindingTestSource { SourceProperty = 100 };
var target = new BindingTestTarget();
var binding = new Binding("SourceProperty")
{
Source = source,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
Assert.AreEqual("100", target.TargetProperty);
target.TargetProperty = "10";
Assert.AreEqual("10", target.TargetProperty);
Assert.AreEqual(10, source.SourceProperty);
Assert.IsFalse(SWC.Validation.GetHasError(target));
}
public void BindingForPropertyInvalidPathIsIgnoredIfNotThrowingExceptions()
{
var source = new BindingTestSource {
SourceProperty = 100
};
var target = new BindingTestTarget();
var binding = new Binding("InvalidProperty")
{
Source = source,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
target.TargetProperty = "10";
Assert.AreEqual("10", target.TargetProperty);
Assert.AreEqual(100, source.SourceProperty);
Assert.IsFalse(SWC.Validation.GetHasError(target));
}
public void BindingLogsErrorIfValueIfValueConversionFails()
{
var source = new BindingTestSource {
SourceProperty = 100
};
var target = new BindingTestTarget();
var binding = new Binding("SourceProperty")
{
Source = source,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
Assert.AreEqual("100", target.TargetProperty);
target.TargetProperty = "zzz";
Assert.AreEqual("zzz", target.TargetProperty);
Assert.AreEqual(100, source.SourceProperty);
Assert.IsTrue(SWC.Validation.GetHasError(target));
}
public void BindingForPropertyInvalidPathIsIgnoredIfNotThrowingExceptions()
{
var source = new BindingTestSource { SourceProperty = 100 };
var target = new BindingTestTarget();
var binding = new Binding("InvalidProperty")
{
Source = source,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
target.TargetProperty = "10";
Assert.AreEqual("10", target.TargetProperty);
Assert.AreEqual(100, source.SourceProperty);
Assert.IsFalse(SWC.Validation.GetHasError(target));
}
public void DataItemIsSourceIfExplicitlySet()
{
var target = new BindingTestTarget();
var sourceExplicit = new BindingTestSource();
var sourceDataContext = new BindingTestSource();
target.DataContext = sourceDataContext;
var binding = new Binding("SourceProperty")
{
Source = sourceExplicit,
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
var bindingExpression = BindingOperations.GetBindingExpression(target, BindingTestTarget.TargetPropertyProperty);
Assert.AreSame(sourceExplicit, bindingExpression.DataItem);
Assert.AreEqual("SourceProperty", bindingExpression.ParentBinding.Path.Path);
}
public void DataItemIsByDefault()
{
var target = new BindingTestTarget();
var binding = new Binding("SourceProperty")
{
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(target, BindingTestTarget.TargetPropertyProperty, binding);
Assert.IsNull(target.TargetProperty);
var bindingExpression = BindingOperations.GetBindingExpression(target, BindingTestTarget.TargetPropertyProperty);
Assert.IsNull(bindingExpression.DataItem);
Assert.AreEqual("SourceProperty", bindingExpression.ParentBinding.Path.Path);
}
