private static void CoOrdsChange(BasicTypesStruct.CoOrdsClass coOrds)
{
Random _rndm = new Random(DateTime.Now.Millisecond);
coOrds.x = _rndm.Next();
coOrds.y = _rndm.Next();
}
public void StructTestMethod()
{
//value type modification
BasicTypesStruct.CoOrdsStruct _bts1 = BasicTypesStruct.GetCoOrdsStruct();
BasicTypesStruct.CoOrdsStruct _bts2 = BasicTypesStruct.GetCoOrdsStruct();
CoOrdsNoChange(_bts1);
try
{
Assert.AreSame(_bts1, _bts2);
Assert.Fail();
}
catch (AssertFailedException) { }
Assert.AreEqual(_bts1, _bts2);
Assert.IsTrue(_bts1.x == _bts2.x);
Assert.IsTrue(_bts1.y == _bts2.y);
//
CoOrdsChange(ref _bts1);
try
{
Assert.AreSame(_bts1, _bts2);
Assert.Fail();
}
catch (AssertFailedException)
{
}
Assert.AreNotEqual(_bts1, _bts2);
Assert.IsTrue(_bts1.x != _bts2.x);
Assert.IsTrue(_bts1.y != _bts2.y);
//Reference type modification
BasicTypesStruct.CoOrdsClass _btscoc1 = new BasicTypesStruct.CoOrdsClass(1, 2);
BasicTypesStruct.CoOrdsClass _btscoc2 = new BasicTypesStruct.CoOrdsClass(1, 2);
CoOrdsChange(_btscoc1);
Assert.AreNotSame(_btscoc1, _btscoc2);
Assert.AreNotEqual(_btscoc1, _btscoc2);
Assert.IsTrue(_btscoc1.x != _btscoc2.x);
Assert.IsTrue(_btscoc1.y != _btscoc2.y);
}