public void InsertBeforeFirstWorks()
{
ModelUIPartList partList = new ModelUIPartList();
partList.AppendPart(new DummyPart("2"));
partList.AppendPart(new DummyPart("3"));
partList.AppendPart(new DummyPart("4"));
partList.InsertPartBefore("2", new DummyPart("1"));
AssertSequentialPartList(partList, 4);
}
public void InsertAfterNotFoundDoesNothingAndThrows()
{
ModelUIPartList partList = new ModelUIPartList();
partList.AppendPart(new DummyPart("1"));
partList.AppendPart(new DummyPart("2"));
partList.AppendPart(new DummyPart("3"));
Assert.Throws <ArgumentOutOfRangeException>(
() => partList.InsertPartBefore("not found", new DummyPart("5"))
);
AssertSequentialPartList(partList, 3);
}