public void Check_ItemBuilder()
{
// With predefined length-item.
DynamicUtf8PlcItem item = new Items.Builder.PlcItemBuilder()
.ConstructUtf8PlcItem("UTF8")
.AtDatablock(0)
.AtPosition(0)
.WithDynamicItem <UInt32PlcItem>()
.BuildDynamic()
;
System.Diagnostics.Debug.WriteLine(item.ToString());
Assert.True(item.LengthPlcItem is UInt32PlcItem);
Assert.AreEqual(default(UInt32), ((UInt32PlcItem)item.LengthPlcItem).Value);
Assert.IsNotNull(item.Value);
Assert.AreEqual(String.Empty, item.Value);
// With initial value.
var initialValue = Guid.NewGuid().ToString();
item = new Items.Builder.PlcItemBuilder()
.ConstructUtf8PlcItem("UTF8")
.AtDatablock(0)
.AtPosition(0)
.WithDynamicItemFromInitialValue(initialValue)
.BuildDynamic()
;
System.Diagnostics.Debug.WriteLine(item.ToString());
Assert.True(item.LengthPlcItem is BytePlcItem);
Assert.AreEqual(Encoding.UTF8.GetBytes(initialValue).Length, ((BytePlcItem)item.LengthPlcItem).Value);
Assert.AreEqual(initialValue, item.Value);
}
public void Check_ItemBuilder()
{
// With predefined length-item.
DynamicBytesPlcItem item = new Items.Builder.PlcItemBuilder()
.ConstructBytesPlcItem("Bytes")
.ForData()
.AtDatablock(0)
.AtPosition(0)
.WithDynamicItem <UInt32PlcItem>()
.BuildDynamic()
;
System.Diagnostics.Debug.WriteLine(item.ToString());
Assert.True(item.LengthPlcItem is UInt32PlcItem);
Assert.AreEqual(default(UInt32), ((UInt32PlcItem)item.LengthPlcItem).Value);
Assert.IsNotNull(item.Value);
Assert.True(new byte[0].SequenceEqual(item.Value));
// With initial value.
var initialValue = new byte[] { Byte.MinValue, Byte.MaxValue, 10, 20, 30, 40, 50 };
item = new Items.Builder.PlcItemBuilder()
.ConstructBytesPlcItem("Bytes")
.ForData()
.AtDatablock(0)
.AtPosition(0)
.WithDynamicItemFromInitialValue(initialValue)
.BuildDynamic()
;
System.Diagnostics.Debug.WriteLine(item.ToString());
Assert.True(item.LengthPlcItem is BytePlcItem);
Assert.AreEqual(initialValue.Length, ((BytePlcItem)item.LengthPlcItem).Value);
Assert.True(initialValue.SequenceEqual(item.Value));
}
public void Check_ItemBuilder()
{
EnumPlcItem <TestEnumeration> item = new Items.Builder.PlcItemBuilder()
.ConstructEnumPlcItem <TestEnumeration>("Enumeration")
.AtDatablock(0)
.AtPosition(0)
.WithInitialValue(TestEnumeration.Value1)
.Build()
;
Assert.AreEqual((uint)System.Runtime.InteropServices.Marshal.SizeOf(typeof(TestEnumeration).GetEnumUnderlyingType()), ((IPlcItem)item).Value.ByteLength);
System.Diagnostics.Debug.WriteLine(item.ToString());
}
public void ReadDynamicText()
{
var itemBuilder = new Items.Builder.PlcItemBuilder();
var target = "ABC";
var targetData = Encoding.UTF8.GetBytes(target);
var bytesItem = itemBuilder
.ConstructBytesPlcItem()
.ForData()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.WithInitialValue(new[] { (byte)targetData.Length }.Concat(targetData).ToArray())
.Build()
;
var dynamicTextItem = itemBuilder
.ConstructUtf8PlcItem()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.WithDynamicItem <BytePlcItem>()
.BuildDynamic()
;
base.ExecuteTest
(
async(plc) =>
{
var success = await plc.WriteItemAsync(bytesItem);
Assert.True(success);
// Read the dynamic item.
var result = await plc.ReadItemAsync(dynamicTextItem);
//Check value and length.
Assert.AreEqual(target, result);
Assert.AreEqual(target, dynamicTextItem.Value);
Assert.AreEqual(result.Length, ((BytePlcItem)dynamicTextItem.LengthPlcItem).Value);
}
);
}
public void WriteDynamic()
{
var itemBuilder = new Items.Builder.PlcItemBuilder();
var target = "ABC";
//var targetData = Encoding.UTF8.GetBytes(target);
var bytesItem = itemBuilder
.ConstructBytesPlcItem()
.ForData()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.ForByteAmount((uint)Data.WriteBytes.Length)
.Build()
;
var dynamicTextItem = itemBuilder
.ConstructUtf8PlcItem()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.WithDynamicItemFromInitialValue(target)
.BuildDynamic()
;
base.ExecuteTest
(
async(plc) =>
{
// Clear the bytes.
var result = await plc.WriteItemWithValidationAsync(bytesItem);
Assert.True(result);
// Write the whole dynamic item.
result = await plc.WriteItemWithValidationAsync(dynamicTextItem);
Assert.True(result);
}
);
}
