public void CanEnumerateItemsInReadOnlyLocator()
{
Locator innerLocator = new Locator();
ReadOnlyLocator locator = new ReadOnlyLocator(innerLocator);
innerLocator.Add(1, 1);
innerLocator.Add(2, 2);
bool sawOne = false;
bool sawTwo = false;
foreach (KeyValuePair <object, object> pair in locator)
{
if (pair.Key.Equals(1))
{
sawOne = true;
}
if (pair.Key.Equals(2))
{
sawTwo = true;
}
}
Assert.True(sawOne);
Assert.True(sawTwo);
}
public void CannotCastAReadOnlyLocatorToAReadWriteLocator()
{
Locator innerLocator = new Locator();
ReadOnlyLocator locator = new ReadOnlyLocator(innerLocator);
Assert.True(locator.ReadOnly);
Assert.Null(locator as IReadWriteLocator);
}
public void NullParentLocatorOfInnerLocatorReturnsNullParentLocator()
{
Locator locator = new Locator();
ReadOnlyLocator readOnlyLocator = new ReadOnlyLocator(locator);
IReadableLocator parentLocator = readOnlyLocator.ParentLocator;
Assert.Null(parentLocator);
}
public void ReadOnlyLocatorCountReflectsInnerLocatorCount()
{
Locator innerLocator = new Locator();
ReadOnlyLocator locator = new ReadOnlyLocator(innerLocator);
innerLocator.Add(1, 1);
innerLocator.Add(2, 2);
Assert.Equal(innerLocator.Count, locator.Count);
}
public void ParentLocatorOfReadOnlyLocatorIsAlsoReadOnly()
{
Locator parentInnerLocator = new Locator();
Locator childInnerLocator = new Locator(parentInnerLocator);
ReadOnlyLocator childLocator = new ReadOnlyLocator(childInnerLocator);
IReadableLocator parentLocator = childLocator.ParentLocator;
Assert.True(parentLocator.ReadOnly);
Assert.Null(parentLocator as IReadWriteLocator);
}
public void ItemsContainedInLocatorContainedInReadOnlyLocator()
{
Locator innerLocator = new Locator();
ReadOnlyLocator locator = new ReadOnlyLocator(innerLocator);
innerLocator.Add(1, 1);
innerLocator.Add(2, 2);
Assert.True(locator.Contains(1));
Assert.True(locator.Contains(2));
Assert.False(locator.Contains(3));
}
public void GenericGetEnforcesDataType()
{
Locator innerLocator = new Locator();
ReadOnlyLocator locator = new ReadOnlyLocator(innerLocator);
innerLocator.Add(1, 2);
Assert.Throws <InvalidCastException>(
delegate
{
locator.Get <string>(1);
});
}
