Add WriteToBuffer and unify supported types

Sharp7.Rx.Tests/S7ValueConverterTests/ConvertBothWays.cs

@@ -0,0 +1,45 @@
+using NUnit.Framework;
+using Sharp7.Rx.Interfaces;
+using Shouldly;
+
+namespace Sharp7.Rx.Tests.S7ValueConverterTests;
+
+[TestFixture]
+public class ConvertBothWays
+{
+    static readonly IS7VariableNameParser parser = new S7VariableNameParser();
+
+    [TestCase(true, "DB0.DBx0.0")]
+    [TestCase(false, "DB0.DBx0.0")]
+    [TestCase(true, "DB0.DBx0.4")]
+    [TestCase(false, "DB0.DBx0.4")]
+    [TestCase((byte) 18, "DB0.DBB0")]
+    [TestCase((short) 4660, "DB0.INT0")]
+    [TestCase((short)-3532, "DB0.INT0")]
+    [TestCase(-3532, "DB0.INT0")]
+    [TestCase(305419879, "DB0.DINT0")]
+    [TestCase(-231451033, "DB0.DINT0")]
+    [TestCase(1311768394163015151L, "DB0.dul0")]
+    [TestCase(-994074615050678801L, "DB0.dul0")]
+    [TestCase(1311768394163015151uL, "DB0.dul0")]
+    [TestCase(17452669458658872815uL, "DB0.dul0")]
+    [TestCase(new byte[] { 0x12, 0x34, 0x56, 0x67 }, "DB0.DBB0.4")]
+    [TestCase(0.25f, "DB0.D0")]
+    [TestCase("ABCD", "DB0.string0.4")]
+    [TestCase("ABCD", "DB0.string0.4")] // Clip to length in Address
+    [TestCase("ABCD", "DB0.DBB0.4")]
+    public void Write<T>(T input, string address)
+    {
+        //Arrange
+        var variableAddress = parser.Parse(address);
+        var buffer = new byte[variableAddress.BufferLength];
+
+        //Act
+        S7ValueConverter.WriteToBuffer(buffer, input, variableAddress);
+        var result = S7ValueConverter.ConvertToType<T>(buffer, variableAddress);
+
+        //Assert
+        result.ShouldBe(input);
+    }
+
+}