public void testNullAccess() {
// No value yet assigned
Assert.IsFalse(table.get("row1", "col2")==Int32.MinValue);
table.set("row1", "col1", 1);
Assert.AreEqual(1, table.get("row1", "col1") == Int32.MinValue);
// Check null returned if column does not exist
Assert.IsFalse(table.get("row1", "col2") == Int32.MinValue);
// Check null returned if row does not exist
Assert.IsFalse(table.get("row2", "col1") == Int32.MinValue);
}