public void IsPageDirtyTest()
{
TestPage testPage = new TestPage();
TestIPropertyPageSite site = new TestIPropertyPageSite();
site.ImmediateApply = false;
site.page = testPage;
string propertyName = "PropertyName";
string propertyValue = "PropertyValue";
string newValue = "PropertyValueNew";
string dummyObject = "DummyObject";
testPage.SetPageSite(site);
testPage.SetObjects(1, new object[] { dummyObject });
TestIPropertyStore testPropertyStore = testPage.IPropertyStore as TestIPropertyStore;
testPropertyStore.Properties.Add(propertyName, propertyValue);
bool actual = testPage.IsPageDirty() == VSConstants.S_OK;
Assert.AreEqual(false, actual);
testPage.PropertyChanged(propertyName, newValue);
actual = testPage.IsPageDirty() == VSConstants.S_OK;
Assert.AreEqual(true, actual);
testPage.Apply();
actual = testPage.IsPageDirty() == VSConstants.S_OK;
Assert.AreEqual(false, actual);
}