public void CoerceValueTest()
{
string coercionSuffix = "-coerced";
DependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(new TestObject(), TestObject.ValueProperty, (dependencyObject, value) => (string)value + coercionSuffix);
int valueChangedCount = 0;
entry.ValueChanged += (sender, e) => valueChangedCount++;
entry.SetValue(1, "value1");
Assert.AreEqual("value1-coerced", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
entry.CoerceValue();
Assert.AreEqual("value1-coerced", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
coercionSuffix = "-coerced2";
entry.CoerceValue();
Assert.AreEqual("value1-coerced2", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(2, valueChangedCount);
}
public void SetHiddenValueTest()
{
DependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(new TestObject(), TestObject.ValueProperty, null);
int valueChangedCount = 0;
entry.ValueChanged += (sender, e) => valueChangedCount++;
entry.SetValue(2, "value1");
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
entry.SetValue(1, "value2");
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
}
public void ClearValueTest()
{
DependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(new TestObject(), TestObject.ValueProperty, null);
int valueChangedCount = 0;
entry.ValueChanged += (sender, e) => valueChangedCount++;
entry.SetValue(2, "value1");
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
entry.SetValue(2, ObservableValue.UnsetValue);
Assert.AreEqual(ObservableValue.UnsetValue, entry.Value);
Assert.AreEqual(0, entry.ValuePriority);
Assert.AreEqual(2, valueChangedCount);
}
public void SetObservableValueTest()
{
DependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(new TestObject(), TestObject.ValueProperty, null);
int valueChangedCount = 0;
entry.ValueChanged += (sender, e) => valueChangedCount++;
ObservableValue observableValue1 = new ObservableValue();
ObservableValue innerObservableValue = new ObservableValue();
entry.SetValue(1, "value1");
entry.SetValue(2, observableValue1);
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
observableValue1.BaseValue = "value2";
Assert.AreEqual("value2", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(2, valueChangedCount);
observableValue1.BaseValue = innerObservableValue;
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(3, valueChangedCount);
innerObservableValue.BaseValue = "value3";
Assert.AreEqual("value3", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(4, valueChangedCount);
innerObservableValue.BaseValue = ObservableValue.UnsetValue;
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(5, valueChangedCount);
}
public void SetNotifyChangedValueTest()
{
DependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(new TestObject(), TestObject.NotifyChangedValueProperty, null);
int valueChangedCount = 0;
entry.ValueChanged += (sender, e) => valueChangedCount++;
NotifyChangedValue value = new NotifyChangedValue();
entry.SetValue(1, value);
Assert.AreEqual(value, entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(1, valueChangedCount);
value.RaiseChanged();
Assert.AreEqual(2, valueChangedCount);
}
public void GetBaseValuePriorityTest()
{
DependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(new TestObject(), TestObject.ValueProperty, null);
int valueChangedCount = 0;
entry.ValueChanged += (sender, e) => valueChangedCount++;
entry.SetValue(1, "value1");
Assert.AreEqual("value1", entry.Value);
Assert.AreEqual(1, entry.ValuePriority);
Assert.AreEqual(1, entry.GetBaseValuePriority());
Assert.AreEqual(1, valueChangedCount);
entry.SetValue(2, "value2");
Assert.AreEqual("value2", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(2, entry.GetBaseValuePriority());
Assert.AreEqual(2, valueChangedCount);
entry.SetValue(DependencyPropertyValueEntry.BaseValueHighestPriority, "value3");
Assert.AreEqual("value3", entry.Value);
Assert.AreEqual(DependencyPropertyValueEntry.BaseValueHighestPriority, entry.ValuePriority);
Assert.AreEqual(DependencyPropertyValueEntry.BaseValueHighestPriority, entry.GetBaseValuePriority());
Assert.AreEqual(3, valueChangedCount);
entry.SetValue(DependencyPropertyValueEntry.BaseValueHighestPriority + 1, "value4");
Assert.AreEqual("value4", entry.Value);
Assert.AreEqual(DependencyPropertyValueEntry.BaseValueHighestPriority + 1, entry.ValuePriority);
Assert.AreEqual(DependencyPropertyValueEntry.BaseValueHighestPriority, entry.GetBaseValuePriority());
Assert.AreEqual(4, valueChangedCount);
entry.SetValue(DependencyPropertyValueEntry.BaseValueHighestPriority, TestObject.InvalidValue);
Assert.AreEqual("value4", entry.Value);
Assert.AreEqual(DependencyPropertyValueEntry.BaseValueHighestPriority + 1, entry.ValuePriority);
Assert.AreEqual(2, entry.GetBaseValuePriority());
Assert.AreEqual(4, valueChangedCount);
entry.SetValue(DependencyPropertyValueEntry.BaseValueHighestPriority + 1, TestObject.InvalidValue);
Assert.AreEqual("value2", entry.Value);
Assert.AreEqual(2, entry.ValuePriority);
Assert.AreEqual(2, entry.GetBaseValuePriority());
Assert.AreEqual(5, valueChangedCount);
}
