public void SetValueWithSetProperty()
{
var obj = new MyBindableObject();
obj.As <IAttachedPropertyStore>().SetProperty(MyBindableObject.AttachedDecimalProperty.Identifier, 2m);
AssertCustomValue(obj, 2m);
}
public void SetValueWithIndexer()
{
var obj = new MyBindableObject();
obj[MyBindableObject.AttachedDecimalProperty] = 2m;
AssertCustomValue(obj, 2m);
}
public void SetValue()
{
var obj = new MyBindableObject();
obj.SetValue(MyBindableObject.AttachedDecimalProperty, 2m);
AssertCustomValue(obj, 2m);
}
private static void AssertDefaultValue(MyBindableObject obj, decimal expectedValue)
{
obj.HasValue(MyBindableObject.AttachedDecimalProperty).Should().BeFalse();
obj.GetValue(MyBindableObject.AttachedDecimalProperty).Should().Be(expectedValue);
obj[MyBindableObject.AttachedDecimalProperty].Should().Be(expectedValue);
obj.As <IAttachedPropertyStore>().PropertyCount.Should().Be(0);
obj.As <IAttachedPropertyStore>().TryGetProperty(MyBindableObject.AttachedDecimalProperty.Identifier, out object value);
value.Should().Be(expectedValue);
}
public void ResetValueWithRemoveProperty()
{
var obj = new MyBindableObject();
obj.As <IAttachedPropertyStore>().SetProperty(MyBindableObject.AttachedDecimalProperty.Identifier, 2m);
obj.As <IAttachedPropertyStore>().RemoveProperty(MyBindableObject.AttachedDecimalProperty.Identifier);
AssertDefaultValue(obj, 1m);
}
public void ResetValue()
{
var obj = new MyBindableObject();
obj.SetValue(MyBindableObject.AttachedDecimalProperty, 2m);
obj.ResetValue(MyBindableObject.AttachedDecimalProperty);
AssertDefaultValue(obj, 1m);
}
public void DataContextWithotBind()
{
var obj = new MyBindableObject();
var data = new Data {
StringValue = "str", Int32Value = 42
};
obj.DataContext = data;
obj.MyStringValue.Should().Be(default);
public void CloneAttachedProperties()
{
var obj = new MyBindableObject {
[MyBindableObject.AttachedDecimalProperty] = 10m
};
var clone = (MyBindableObject)obj.Clone();
obj[MyBindableObject.AttachedDecimalProperty] = 20m;
clone[MyBindableObject.AttachedDecimalProperty].Should().Be(10m);
}
public void Clone()
{
var obj = new MyBindableObject {
MyStringValue = "str", MyInt32Value = 42
};
var clone = (MyBindableObject)obj.Clone();
clone.Should().NotBeSameAs(obj);
clone.MyStringValue.Should().Be(obj.MyStringValue);
clone.MyInt32Value.Should().Be(obj.MyInt32Value);
}
private static void AssertCustomValue(MyBindableObject obj, decimal expectedValue)
{
var props = new KeyValuePair <AttachableMemberIdentifier, object> [1];
obj.HasValue(MyBindableObject.AttachedDecimalProperty).Should().BeTrue();
obj.GetValue(MyBindableObject.AttachedDecimalProperty).Should().Be(expectedValue);
obj[MyBindableObject.AttachedDecimalProperty].Should().Be(expectedValue);
obj.As <IAttachedPropertyStore>().PropertyCount.Should().Be(1);
obj.As <IAttachedPropertyStore>().TryGetProperty(MyBindableObject.AttachedDecimalProperty.Identifier, out object value);
value.Should().Be(expectedValue);
obj.As <IAttachedPropertyStore>().CopyPropertiesTo(props, 0);
props[0].Should().Be(new KeyValuePair <AttachableMemberIdentifier, object>(MyBindableObject.AttachedDecimalProperty.Identifier, expectedValue));
}
public void NullArguments()
{
var obj = new MyBindableObject();
var getter = new GetExpression();
var property = obj.GetType().GetProperty(nameof(MyBindableObject.MyStringValue));
new Action(() => obj.Bind(null, getter)).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
new Action(() => obj.Bind(property, null)).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(getter));
new Action(() => obj.HasValue <int>(null)).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
new Action(() => obj.GetValue <int>(null)).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
new Action(() => obj.ResetValue <int>(null)).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
new Action(() => obj.SetValue(null, 1)).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
new Action(() => obj[null] = 1).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
new Action(() => obj[null].As <int>()).ShouldThrow <ArgumentNullException>().Which.ParamName.Should().Be(nameof(property));
}
public void Bind()
{
var obj = new MyBindableObject();
var data = new Data {
StringValue = "str", Int32Value = 42
};
obj.Bind(
obj.GetType().GetProperty(nameof(MyBindableObject.MyStringValue)),
new GetExpression {
Path = nameof(Data.StringValue)
});
obj.Bind(
obj.GetType().GetProperty(nameof(MyBindableObject.MyInt32Value)),
new GetExpression {
Path = nameof(Data.Int32Value)
});
obj.DataContext = data;
obj.MyStringValue.Should().Be(data.StringValue);
obj.MyInt32Value.Should().Be(data.Int32Value);
}
public void EmptyDataContext()
{
var obj = new MyBindableObject();
new Action(() => obj.DataContext = null).Should().NotThrow();
}
public void UnsetValue()
{
var obj = new MyBindableObject();
AssertDefaultValue(obj, 1m);
}