public void ToArrayTest()
{
DataTable table = new DataTable("myData");
table.Columns.Add("Double", typeof(double));
table.Columns.Add("Integer", typeof(int));
table.Columns.Add("Boolean", typeof(bool));
table.Rows.Add(4.20, 42, true);
table.Rows.Add(-3.14, -17, false);
table.Rows.Add(21.00, 0, false);
double[] expected;
double[] actual;
expected = new double[] { 4.20, -3.14, 21 };
actual = table.Columns["Double"].ToArray();
Assert.IsTrue(expected.IsEqual(actual));
expected = new double[] { 42, -17, 0 };
actual = table.Columns["Integer"].ToArray();
Assert.IsTrue(expected.IsEqual(actual));
expected = new double[] { 1, 0, 0 };
actual = table.Columns["Boolean"].ToArray();
Assert.IsTrue(expected.IsEqual(actual));
}