public void Check_FromData()
{
var target = new byte[] { 50, 40, 30, 20, 10, Byte.MaxValue, Byte.MinValue };
var item = new DynamicBytesPlcItem(new UInt16PlcItem(dataBlock: 0, position: 0), "DynamicBytes");
// Check: Data → Bytes
((IPlcItem)item).Value.TransferValuesFrom(target);
Assert.True(target.SequenceEqual(item.Value));
Assert.True(target.SequenceEqual((byte[])((IPlcItem)item).Value));
Assert.AreEqual((ushort)target.Length, ((UInt16PlcItem)item.LengthPlcItem).Value);
}
public void Check_Clone()
{
var item = new DynamicBytesPlcItem(new UInt16PlcItem(dataBlock: 0, position: 0), "DynamicBytes");
var clone = item.Clone();
// Check equality (Equals is overriden).
Assert.AreEqual(item, clone);
// Check the value.
Assert.True(item.Value == clone.Value);
// Check if both items are different references.
Assert.False(Object.ReferenceEquals(item, clone));
}
public void Check_ToData()
{
var target = new byte[] { Byte.MinValue, Byte.MaxValue, 10, 20, 30, 40, 50 };
var item = new DynamicBytesPlcItem(new UInt16PlcItem(dataBlock: 0, position: 0), "DynamicBytes");
Assert.AreEqual(0, ((UInt16PlcItem)item.LengthPlcItem).Value);
Assert.True(new byte[0].SequenceEqual(item.Value));
// Check: Bytes → Data
item.Value = target;
Assert.True(target.SequenceEqual(item.Value));
Assert.True(target.SequenceEqual((byte[])((IPlcItem)item).Value));
Assert.AreEqual((ushort)target.Length, ((UInt16PlcItem)item.LengthPlcItem).Value);
}
