/// <summary>
/// Test the ValueAsObject method for structure types.
/// </summary>
/// <typeparam name="T">The structure type.</typeparam>
/// <param name="columnValue">The column value.</param>
/// <param name="value">The value to set.</param>
/// <param name="expectedLength">The expected value length.</param>
private static void TestLengthForStruct <T>(ColumnValueOfStruct <T> columnValue, T value, int expectedLength) where T : struct, IEquatable <T>
{
columnValue.Value = value;
Assert.AreEqual(expectedLength, columnValue.Length);
columnValue.Value = null;
Assert.AreEqual(0, columnValue.Length);
}
/// <summary>
/// Test the ValueAsObject method for structure types.
/// </summary>
/// <typeparam name="T">The structure type.</typeparam>
/// <param name="columnValue">The column value.</param>
/// <param name="value">The value to set.</param>
private static void TestValueAsObjectForStruct <T>(ColumnValueOfStruct <T> columnValue, T value) where T : struct, IEquatable <T>
{
columnValue.Value = value;
object o1 = columnValue.ValueAsObject;
Assert.AreEqual(o1, value);
columnValue.Value = null;
Assert.IsNull(columnValue.ValueAsObject);
columnValue.Value = value;
object o2 = columnValue.ValueAsObject;
Assert.AreEqual(o1, o2);
Assert.AreSame(o1, o2);
columnValue.Value = default(T);
Assert.AreEqual(columnValue.ValueAsObject, default(T));
}