public void ClearValueTest()
        {
            int valueChangedCount = 0;
            IDependencyPropertyValueEntry dependencyPropertyValue = new DependencyPropertyValueEntry(new DependencyObject(), TestObject.ValueProperty);
            dependencyPropertyValue.ValueChanged += (sender, e) => valueChangedCount++;

            int coercedValueChangedCount = 0;
            IDependencyPropertyValueEntry coercedDependencyPropertyValue = new CoercedDependencyPropertyValueEntry(dependencyPropertyValue, null, CoerceValueCallback);
            coercedDependencyPropertyValue.ValueChanged += (sender, e) => coercedValueChangedCount++;

            dependencyPropertyValue.SetBaseValue(0, "base0");
            dependencyPropertyValue.SetBaseValue(1, "base1");
            dependencyPropertyValue.SetAnimationValue("animation");

            Assert.AreEqual("animation-coerced", coercedDependencyPropertyValue.Value);
            Assert.AreEqual(3, valueChangedCount);
            Assert.AreEqual(3, coercedValueChangedCount);

            dependencyPropertyValue.ClearBaseValue(1);
            Assert.AreEqual("animation-coerced", coercedDependencyPropertyValue.Value);
            Assert.AreEqual(3, valueChangedCount);
            Assert.AreEqual(3, coercedValueChangedCount);

            dependencyPropertyValue.ClearAnimationValue();
            Assert.AreEqual("base0-coerced", coercedDependencyPropertyValue.Value);
            Assert.AreEqual(4, valueChangedCount);
            Assert.AreEqual(4, coercedValueChangedCount);
        }
        public void ClearBaseValueTest()
        {
            int valueChangedCount = 0;
            IDependencyPropertyValueEntry dependencyPropertyValue = new DependencyPropertyValueEntry(new DependencyObject(), TestObject.ValueProperty);
            dependencyPropertyValue.ValueChanged += (sender, e) => valueChangedCount++;

            dependencyPropertyValue.SetBaseValue(0, "value0");
            dependencyPropertyValue.SetBaseValue(1, "value1");
            dependencyPropertyValue.SetBaseValue(2, "value2");
            Assert.AreEqual(3, valueChangedCount);

            dependencyPropertyValue.ClearBaseValue(1);
            Assert.AreEqual("value2", dependencyPropertyValue.GetBaseValue(false));
            Assert.AreEqual(3, valueChangedCount);

            dependencyPropertyValue.ClearBaseValue(2);
            Assert.AreEqual("value0", dependencyPropertyValue.GetBaseValue(false));
            Assert.AreEqual(4, valueChangedCount);
        }