public void GetTypeWithAdditionalDataViewTypeAttributes()
{
var a = new DataViewAlienBodyType(7788);
var b = new AlienTypeAttributeAttribute(8877);
var c = new ColumnNameAttribute("foo");
var d = new AlienTypeAttributeAttribute(8876);
DataViewTypeManager.Register(a, typeof(AlienBody), b);
Assert.True(DataViewTypeManager.Knows(a));
Assert.True(DataViewTypeManager.Knows(typeof(AlienBody), new Attribute[] { b, c }));
// "a" is associated with typeof(AlienBody) with "b," so the call below should return true.
Assert.Equal(a, DataViewTypeManager.GetDataViewType(typeof(AlienBody), new Attribute[] { b, c }));
Assert.Throws <ArgumentOutOfRangeException>(() => DataViewTypeManager.Knows(typeof(AlienBody), new Attribute[] { b, d }));
}
public void TestTypeManager()
{
// Semantically identical DataViewTypes should produce the same hash code.
var a = new DataViewAlienBodyType(9527);
var aCode = a.GetHashCode();
var b = new DataViewAlienBodyType(9527);
var bCode = b.GetHashCode();
Assert.Equal(aCode, bCode);
// Semantically identical attributes should produce the same hash code.
var c = new AlienTypeAttributeAttribute(1228);
var cCode = c.GetHashCode();
var d = new AlienTypeAttributeAttribute(1228);
var dCode = d.GetHashCode();
Assert.Equal(cCode, dCode);
// Check registering the same type pair is OK.
// Note that "a" and "b" should be identical.
DataViewTypeManager.Register(a, typeof(AlienBody));
DataViewTypeManager.Register(a, typeof(AlienBody));
DataViewTypeManager.Register(b, typeof(AlienBody));
DataViewTypeManager.Register(b, typeof(AlienBody));
// Check if register of (a, typeof(AlienBody)) successes.
Assert.True(DataViewTypeManager.Knows(a));
Assert.True(DataViewTypeManager.Knows(b));
Assert.True(DataViewTypeManager.Knows(typeof(AlienBody)));
Assert.Equal(a, DataViewTypeManager.GetDataViewType(typeof(AlienBody)));
Assert.Equal(b, DataViewTypeManager.GetDataViewType(typeof(AlienBody)));
// Make sure registering the same type twice throws.
bool isWrong = false;
try
{
// "a" has been registered with AlienBody without any attribute, so the user can't
// register "a" again with AlienBody plus the attribute "c."
DataViewTypeManager.Register(a, typeof(AlienBody), c);
}
catch
{
isWrong = true;
}
Assert.True(isWrong);
// Make sure registering the same type twice throws.
isWrong = false;
try
{
// AlienBody has been registered with "a," so user can't register it with
// "new DataViewAlienBodyType(5566)" again.
DataViewTypeManager.Register(new DataViewAlienBodyType(5566), typeof(AlienBody));
}
catch
{
isWrong = true;
}
Assert.True(isWrong);
// Register a type with attribute.
var e = new DataViewAlienBodyType(7788);
var f = new AlienTypeAttributeAttribute(8877);
DataViewTypeManager.Register(e, typeof(AlienBody), f);
Assert.True(DataViewTypeManager.Knows(e));
Assert.True(DataViewTypeManager.Knows(typeof(AlienBody), new[] { f }));
// "e" is associated with typeof(AlienBody) with "f," so the call below should return true.
Assert.Equal(e, DataViewTypeManager.GetDataViewType(typeof(AlienBody), new[] { f }));
// "a" is associated with typeof(AlienBody) without any attribute, so the call below should return false.
Assert.NotEqual(a, DataViewTypeManager.GetDataViewType(typeof(AlienBody), new[] { f }));
}