public void TestCanRemove_ByDataColumn()
{
DataTable dt = DataProvider.CreateUniqueConstraint();
DataColumn dummyCol = new DataColumn();
Assert.Equal(false, dt.Columns.CanRemove(null));
Assert.Equal(false, dt.Columns.CanRemove(dummyCol));
Assert.Equal(false, dt.Columns.CanRemove(dt.Columns[0]));
Assert.Equal(true, dt.Columns.CanRemove(dt.Columns[1]));
}
[Fact]