public void CanSetCollectionItems__Replace()
{
var tc_parent = new TestContainer() { Name = "Parent" };
tc_parent.Items.Clear();
tc_parent.Items.Add(4);
tc_parent.Items.Add(5);
tc_parent.Items.Add(6);
//tc_parent.Items.IsValueSet = true;
var tc = new TestContainer() { Name = "Child" };
tc.Parent = tc_parent;
// NOTE: IsValueSet and InheritenceMode must be set *before* collection is modified
// Alternatively overload of SetValue can be used
TestContainer.ItemsProperty.SetValue(tc);
TestContainer.ItemsProperty.SetInheritanceMode(tc, CollectionInheritanceMode.Replace);
tc.Items.Clear();
tc.Items.Add(7);
tc.Items.Add(8);
tc.Items.Add(9);
Assert.AreEqual(3, tc.Items.Count);
Assert.AreEqual(7, tc.Items[0]);
Assert.AreEqual(8, tc.Items[1]);
Assert.AreEqual(9, tc.Items[2]);
}
public void SetValue__CanSetCollectionItemsUsing__Merge()
{
var tc_parent = new TestContainer() { Name = "Parent" };
TestContainer.ItemsProperty.SetValue(tc_parent);
tc_parent.Items.Clear();
tc_parent.Items.Add(4);
tc_parent.Items.Add(5);
tc_parent.Items.Add(6);
var tc = new TestContainer() { Name = "Child" };
tc.Parent = tc_parent;
var items = new List<int> { 7, 8, 9 };
// NOTE: IsValueSet and InheritenceMode must be set *before* collection is modified
TestContainer.ItemsProperty.SetValue(tc, items);
TestContainer.ItemsProperty.SetInheritanceMode(tc, CollectionInheritanceMode.Merge);
Assert.AreEqual(6, tc.Items.Count);
Assert.AreEqual(4, tc.Items[0]);
Assert.AreEqual(5, tc.Items[1]);
Assert.AreEqual(6, tc.Items[2]);
Assert.AreEqual(7, tc.Items[3]);
Assert.AreEqual(8, tc.Items[4]);
Assert.AreEqual(9, tc.Items[5]);
}
public void UsesDefaultValue()
{
var tc = new TestContainer();
Assert.AreEqual(3, tc.Items.Count);
Assert.AreEqual(1, tc.Items[0]);
Assert.AreEqual(2, tc.Items[1]);
Assert.AreEqual(3, tc.Items[2]);
}
public void ValueIsSet_And_HasParent__TryGetActualPropertyValueReturnsTrue()
{
var tc = new TestContainer();
tc.Count = 13;
var val = (object)null;
var res = tc.TryGetActualPropertyValue(TestContainer.CountProperty, out val);
Assert.AreEqual(13, val);
Assert.IsTrue(res);
}
public void ValueIsSet_And_HasParent__TryGetInheritedPropertyValueReturnsFalse()
{
var tc = new TestContainer();
tc.Count = 13;
var val = (object)null;
var res = tc.TryGetInheritedPropertyValue(TestContainer.CountProperty, out val);
Assert.IsNull(val);
Assert.IsFalse(res);
}
public void ValueIsNotSet_And_NoParent__TryGetActualPropertyValueReturnsTrue_And_DefaultValue()
{
var tc = new TestContainer();
var val = (object)null;
var res = tc.TryGetActualPropertyValue(TestContainer.CountProperty, out val);
Assert.AreEqual(69, val);
Assert.IsTrue(res);
}
public void DefaultValueIsSetAndReturnedAsActualValueIfNoInheritance()
{
var tc = new TestContainer();
Assert.AreEqual(69, tc.Count);
}
public void ValueOfExtendedPropertyCanBeInherited()
{
// leaf
var tc = new TestContainer { Name = "1" };
// parent
var parentTC = new TestContainer { Name = "Parent" };
tc.Parent = parentTC;
// grand parent
var grandParentTC = new TestContainer { Name = "Grand Parent" };
parentTC.Parent = grandParentTC;
tc.Count = 1;
parentTC.Count = 13;
grandParentTC.Count = 69;
TestContainer.CountProperty.UnsetValue(tc);
TestContainer.CountProperty.UnsetValue(parentTC);
Assert.AreEqual(69, tc.Count);
Assert.AreEqual(69, parentTC.Count);
Assert.AreEqual(69, grandParentTC.Count);
TestContainer.CountProperty.UnsetValue(tc);
TestContainer.CountProperty.SetValue(parentTC);
Assert.AreEqual(13, tc.Count);
Assert.AreEqual(13, parentTC.Count);
Assert.AreEqual(69, grandParentTC.Count);
TestContainer.CountProperty.SetValue(tc);
TestContainer.CountProperty.UnsetValue(parentTC);
Assert.AreEqual(1, tc.Count);
Assert.AreEqual(69, parentTC.Count);
Assert.AreEqual(69, grandParentTC.Count);
TestContainer.CountProperty.SetValue(tc);
TestContainer.CountProperty.SetValue(parentTC);
Assert.AreEqual(1, tc.Count);
Assert.AreEqual(13, parentTC.Count);
Assert.AreEqual(69, grandParentTC.Count);
}
public void ExtendedPropertyCanBeRegistered()
{
var tc = new TestContainer();
var pd = new ExtendedPropertyDefinition<int>("Grid", "Row", () => 0);
var p = tc.ExtendedProperties.GetOrAddProperty<int>(pd);
tc.ExtendedProperties["Grid.Row"].Value = 3;
Assert.AreEqual(3, tc.ExtendedProperties["Grid.Row"].ActualValue);
}
public void SettingValue_MarksValueAsSet()
{
var tc = new TestContainer();
Assert.IsFalse(TestContainer.CountProperty.GetIsValueSet(tc));
tc.Count = 13;
Assert.AreEqual(13, tc.Count);
Assert.IsTrue(TestContainer.CountProperty.GetIsValueSet(tc));
}
public void DefaultValue_SubsequentAccessReturnsSameInstance()
{
var tc = new TestContainer();
var i1 = tc.Items;
var i2 = tc.Items;
Assert.AreSame(i1, i2);
}