merge: Task 6 — CIP path encoding + Logix type codes

2026-10-07 15:46:31 -04:00
parent 0d2f27bb1d f2f1ec2585
commit d602a08925
4 changed files with 209 additions and 0 deletions
@@ -0,0 +1,55 @@
+using Shouldly;
+using Xunit;
+using ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Cip;
+namespace ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Tests.Cip;
+
+public sealed class CipPathTests
+{
+    [Theory]
+    [InlineData("1,0", "0100")]
+    [InlineData("", "")]
+    [InlineData("1,0,2,10.0.0.5", "0100" + "1208" + "31302E302E302E35")]
+    [InlineData("2,10.0.0.55", "1209" + "31302E302E302E3535" + "00")]
+    [InlineData("15,3", "0F0F0003")]
+    [InlineData("16,10.0.0.5", "1F08" + "1000" + "31302E302E302E35")]
+    public void Encodes_route(string path, string hex) =>
+        Convert.ToHexString(CipPath.EncodeRoute(path)).ShouldBe(hex);
+
+    [Fact]
+    public void Odd_route_parts_throw() =>
+        Should.Throw<ArgumentException>(() => CipPath.EncodeRoute("1,0,2"));
+
+    [Theory]
+    [InlineData("TestDINT", "9108546573744449 4E54")]
+    [InlineData("Abc", "910341626300")]
+    [InlineData("Program:Main.Arr[3].Val", "910C50726F6772616D3A4D61696E" + "910341727200" + "2803" + "910356616C00")]
+    [InlineData("Big[300]", "910342696700" + "29002C01")]
+    [InlineData("Huge[70000]", "910448756765" + "2A00" + "70110100")]
+    [InlineData("Grid[1,2]", "910447726964" + "2801" + "2802")]
+    public void Encodes_symbolic(string name, string hex) =>
+        Convert.ToHexString(CipPath.EncodeSymbolic(name)).ShouldBe(hex.Replace(" ", ""));
+
+    [Fact]
+    public void Symbolic_rejects_bit_selector() =>
+        Should.Throw<ArgumentException>(() => CipPath.EncodeSymbolic("Tag.5"));
+
+    [Fact]
+    public void Splits_bit_selector()
+    {
+        CipPath.SplitBitSelector("Tag.5").ShouldBe(("Tag", 5));
+        CipPath.SplitBitSelector("Tag.Member").ShouldBe(("Tag.Member", null));
+        CipPath.SplitBitSelector("Tag").ShouldBe(("Tag", null));
+    }
+
+    [Theory]
+    [InlineData(2, 1u, "20022401")]
+    [InlineData(0x6B, 0x1234u, "206B25003412")]
+    [InlineData(0x300, 1u, "21000003" + "2401")]
+    [InlineData(2, 70000u, "2002" + "2600" + "70110100")]
+    public void Encodes_class_instance(ushort cls, uint inst, string hex) =>
+        Convert.ToHexString(CipPath.EncodeClassInstance(cls, inst)).ShouldBe(hex);
+
+    [Fact]
+    public void Prefixes_path_size_in_words() =>
+        Convert.ToHexString(CipPath.WithPathSize([0x20, 0x02, 0x24, 0x01])).ShouldBe("0220022401");
+}
@@ -0,0 +1,32 @@
+using Shouldly;
+using Xunit;
+using ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Logix;
+namespace ZB.MOM.WW.OtOpcUa.Driver.Ab.Transport.Tests.Logix;
+
+public sealed class LogixTypeCodeTests
+{
+    [Theory]
+    [InlineData(LogixTypeCode.Bool, 1)]
+    [InlineData(LogixTypeCode.SInt, 1)]
+    [InlineData(LogixTypeCode.Int, 2)]
+    [InlineData(LogixTypeCode.DInt, 4)]
+    [InlineData(LogixTypeCode.LInt, 8)]
+    [InlineData(LogixTypeCode.USInt, 1)]
+    [InlineData(LogixTypeCode.UInt, 2)]
+    [InlineData(LogixTypeCode.UDInt, 4)]
+    [InlineData(LogixTypeCode.ULInt, 8)]
+    [InlineData(LogixTypeCode.Real, 4)]
+    [InlineData(LogixTypeCode.LReal, 8)]
+    [InlineData(LogixTypeCode.BoolArray, 4)]
+    [InlineData(LogixTypeCode.Struct, -1)]
+    public void Byte_width(ushort code, int width) => LogixTypeCode.ByteWidth(code).ShouldBe(width);
+
+    [Fact]
+    public void Code_values()
+    {
+        LogixTypeCode.Bool.ShouldBe((ushort)0xC1);
+        LogixTypeCode.LReal.ShouldBe((ushort)0xCB);
+        LogixTypeCode.Struct.ShouldBe((ushort)0x02A0);
+        LogixTypeCode.BoolArray.ShouldBe((ushort)0xD3);
+    }
+}