public void RemoveAt_ShouldRemoveTheItemAtTheGivenIndex()
{
ConfigurationElementMock firstConfigurationElement = new ConfigurationElementMock {Name = "1"};
ConfigurationElementMock secondConfigurationElement = new ConfigurationElementMock {Name = "2"};
ConfigurationElementMock thirdConfigurationElement = new ConfigurationElementMock {Name = "3"};
ConfigurationElementCollectionMock configurationElementCollection = new ConfigurationElementCollectionMock
{
firstConfigurationElement,
secondConfigurationElement,
thirdConfigurationElement
};
Assert.AreEqual(3, configurationElementCollection.Count);
configurationElementCollection.RemoveAt(1);
Assert.AreEqual(2, configurationElementCollection.Count);
Assert.AreEqual(firstConfigurationElement, configurationElementCollection[0]);
Assert.AreEqual(thirdConfigurationElement, configurationElementCollection[1]);
configurationElementCollection.RemoveAt(0);
Assert.AreEqual(1, configurationElementCollection.Count);
Assert.AreEqual(thirdConfigurationElement, configurationElementCollection[0]);
configurationElementCollection.RemoveAt(0);
Assert.AreEqual(0, configurationElementCollection.Count);
}
public void RemoveAt_IfTheIndexIsOutOfRange_ShouldThrowAConfigurationErrorsException()
{
ConfigurationElementCollectionMock configurationElementCollection = new ConfigurationElementCollectionMock();
configurationElementCollection.RemoveAt(0);
}