Added CmpAlImmHandler for CMP AL, imm8 instruction (0x3C) with tests

X86DisassemblerTests/CmpInstructionHandlerTests.cs

@@ -0,0 +1,54 @@
+namespace X86DisassemblerTests;
+
+using System;
+using Xunit;
+using X86Disassembler.X86;
+using X86Disassembler.X86.Handlers;
+using X86Disassembler.X86.Handlers.Cmp;
+
+/// <summary>
+/// Tests for CMP instruction handlers
+/// </summary>
+public class CmpInstructionHandlerTests
+{
+    /// <summary>
+    /// Tests the CmpAlImmHandler for decoding CMP AL, imm8 instructions
+    /// </summary>
+    [Fact]
+    public void CmpAlImmHandler_DecodesCmpAlImm8_Correctly()
+    {
+        // Arrange
+        // CMP AL, 0x03 (3C 03)
+        byte[] codeBuffer = new byte[] { 0x3C, 0x03 };
+        var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
+        
+        // Act
+        var instruction = decoder.DecodeInstruction();
+        
+        // Assert
+        Assert.NotNull(instruction);
+        Assert.Equal("cmp", instruction.Mnemonic);
+        // The handler should produce "al, 0xXX" as the operands
+        Assert.Equal("al, 0x03", instruction.Operands);
+    }
+    
+    /// <summary>
+    /// Tests the CmpAlImmHandler with a different immediate value
+    /// </summary>
+    [Fact]
+    public void CmpAlImmHandler_DecodesCmpAlImm8_WithDifferentValue()
+    {
+        // Arrange
+        // CMP AL, 0xFF (3C FF)
+        byte[] codeBuffer = new byte[] { 0x3C, 0xFF };
+        var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
+        
+        // Act
+        var instruction = decoder.DecodeInstruction();
+        
+        // Assert
+        Assert.NotNull(instruction);
+        Assert.Equal("cmp", instruction.Mnemonic);
+        Assert.Equal("al, 0xFF", instruction.Operands);
+    }
+}

X86DisassemblerTests/InstructionHandlerFactoryTests.cs

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+namespace X86DisassemblerTests;
+
+public class InstructionHandlerFactoryTests
+{
+    
+}