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unbreak tests

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bird_egop
2025-04-14 23:08:52 +03:00
parent 685eeda03d
commit 9117830ff1
41 changed files with 3820 additions and 736 deletions
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161
X86DisassemblerTests/InstructionTests/TestInstructionHandlerTests.cs
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@ -1,4 +1,5 @@
using X86Disassembler.X86;
using X86Disassembler.X86.Operands;
namespace X86DisassemblerTests.InstructionTests;
@ -17,15 +18,33 @@ public class TestInstructionHandlerTests
// TEST ECX, EAX (85 C1) - ModR/M byte C1 = 11 000 001 (mod=3, reg=0, rm=1)
// mod=3 means direct register addressing, reg=0 is EAX, rm=1 is ECX
byte[] codeBuffer = new byte[] { 0x85, 0xC1 };
var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
var disassembler = new Disassembler(codeBuffer, 0);
// Act
var instruction = decoder.DecodeInstruction();
var instructions = disassembler.Disassemble();
// Assert
Assert.Single(instructions);
var instruction = instructions[0];
Assert.NotNull(instruction);
Assert.Equal("test", instruction.Mnemonic);
Assert.Equal("ecx, eax", instruction.Operands);
Assert.Equal(InstructionType.Test, instruction.Type);
// Check that we have two operands
Assert.Equal(2, instruction.StructuredOperands.Count);
// Check the first operand (ECX)
var ecxOperand = instruction.StructuredOperands[0];
Assert.IsType<RegisterOperand>(ecxOperand);
var registerOperand1 = (RegisterOperand)ecxOperand;
Assert.Equal(RegisterIndex.C, registerOperand1.Register);
Assert.Equal(32, registerOperand1.Size); // Validate that it's a 32-bit register (ECX)
// Check the second operand (EAX)
var eaxOperand = instruction.StructuredOperands[1];
Assert.IsType<RegisterOperand>(eaxOperand);
var registerOperand2 = (RegisterOperand)eaxOperand;
Assert.Equal(RegisterIndex.A, registerOperand2.Register);
Assert.Equal(32, registerOperand2.Size); // Validate that it's a 32-bit register (EAX)
}
/// <summary>
@ -38,15 +57,33 @@ public class TestInstructionHandlerTests
// TEST CL, AL (84 C1) - ModR/M byte C1 = 11 000 001 (mod=3, reg=0, rm=1)
// mod=3 means direct register addressing, reg=0 is AL, rm=1 is CL
byte[] codeBuffer = new byte[] { 0x84, 0xC1 };
var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
var disassembler = new Disassembler(codeBuffer, 0);
// Act
var instruction = decoder.DecodeInstruction();
var instructions = disassembler.Disassemble();
// Assert
Assert.Single(instructions);
var instruction = instructions[0];
Assert.NotNull(instruction);
Assert.Equal("test", instruction.Mnemonic);
Assert.Equal("cl, al", instruction.Operands);
Assert.Equal(InstructionType.Test, instruction.Type);
// Check that we have two operands
Assert.Equal(2, instruction.StructuredOperands.Count);
// Check the first operand (CL)
var clOperand = instruction.StructuredOperands[0];
Assert.IsType<RegisterOperand>(clOperand);
var registerOperand1 = (RegisterOperand)clOperand;
Assert.Equal(RegisterIndex.C, registerOperand1.Register);
Assert.Equal(8, registerOperand1.Size); // Validate that it's an 8-bit register (CL)
// Check the second operand (AL)
var alOperand = instruction.StructuredOperands[1];
Assert.IsType<RegisterOperand>(alOperand);
var registerOperand2 = (RegisterOperand)alOperand;
Assert.Equal(RegisterIndex.A, registerOperand2.Register);
Assert.Equal(8, registerOperand2.Size); // Validate that it's an 8-bit register (AL)
}
/// <summary>
@ -58,16 +95,33 @@ public class TestInstructionHandlerTests
// Arrange
// TEST AL, 0x42 (A8 42)
byte[] codeBuffer = new byte[] { 0xA8, 0x42 };
var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
var disassembler = new Disassembler(codeBuffer, 0);
// Act
var instruction = decoder.DecodeInstruction();
var instructions = disassembler.Disassemble();
// Assert
Assert.Single(instructions);
var instruction = instructions[0];
Assert.NotNull(instruction);
Assert.Equal("test", instruction.Mnemonic);
// The handler should produce "al, 0xXX" as the operands
Assert.Equal("al, 0x42", instruction.Operands);
Assert.Equal(InstructionType.Test, instruction.Type);
// Check that we have two operands
Assert.Equal(2, instruction.StructuredOperands.Count);
// Check the first operand (AL)
var alOperand = instruction.StructuredOperands[0];
Assert.IsType<RegisterOperand>(alOperand);
var registerOperand = (RegisterOperand)alOperand;
Assert.Equal(RegisterIndex.A, registerOperand.Register);
Assert.Equal(8, registerOperand.Size); // Validate that it's an 8-bit register (AL)
// Check the second operand (immediate value)
var immOperand = instruction.StructuredOperands[1];
Assert.IsType<ImmediateOperand>(immOperand);
var immediateOperand = (ImmediateOperand)immOperand;
Assert.Equal(0x42U, immediateOperand.Value);
Assert.Equal(8, immediateOperand.Size); // Validate that it's an 8-bit immediate
}
/// <summary>
@ -79,18 +133,35 @@ public class TestInstructionHandlerTests
// Arrange
// TEST EAX, 0x12345678 (A9 78 56 34 12)
byte[] codeBuffer = new byte[] { 0xA9, 0x78, 0x56, 0x34, 0x12 };
var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
var disassembler = new Disassembler(codeBuffer, 0);
// Act
var instruction = decoder.DecodeInstruction();
var instructions = disassembler.Disassemble();
// Assert
Assert.Single(instructions);
var instruction = instructions[0];
Assert.NotNull(instruction);
Assert.Equal("test", instruction.Mnemonic);
// The handler should produce "eax, 0xXXXXXXXX" as the operands
Assert.Equal("eax, 0x12345678", instruction.Operands);
Assert.Equal(InstructionType.Test, instruction.Type);
// Check that we have two operands
Assert.Equal(2, instruction.StructuredOperands.Count);
// Check the first operand (EAX)
var eaxOperand = instruction.StructuredOperands[0];
Assert.IsType<RegisterOperand>(eaxOperand);
var registerOperand = (RegisterOperand)eaxOperand;
Assert.Equal(RegisterIndex.A, registerOperand.Register);
Assert.Equal(32, registerOperand.Size); // Validate that it's a 32-bit register (EAX)
// Check the second operand (immediate value)
var immOperand = instruction.StructuredOperands[1];
Assert.IsType<ImmediateOperand>(immOperand);
var immediateOperand = (ImmediateOperand)immOperand;
Assert.Equal(0x12345678U, immediateOperand.Value);
Assert.Equal(32, immediateOperand.Size); // Validate that it's a 32-bit immediate
}
/// <summary>
/// Tests the TestImmWithRm8Handler for decoding TEST r/m8, imm8 instructions
/// </summary>
@ -101,15 +172,33 @@ public class TestInstructionHandlerTests
// TEST AH, 0x01 (F6 C4 01) - ModR/M byte C4 = 11 000 100 (mod=3, reg=0, rm=4)
// mod=3 means direct register addressing, reg=0 indicates TEST operation, rm=4 is AH
byte[] codeBuffer = new byte[] { 0xF6, 0xC4, 0x01 };
var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
var disassembler = new Disassembler(codeBuffer, 0);
// Act
var instruction = decoder.DecodeInstruction();
var instructions = disassembler.Disassemble();
// Assert
Assert.Single(instructions);
var instruction = instructions[0];
Assert.NotNull(instruction);
Assert.Equal("test", instruction.Mnemonic);
Assert.Equal("ah, 0x01", instruction.Operands);
Assert.Equal(InstructionType.Test, instruction.Type);
// Check that we have two operands
Assert.Equal(2, instruction.StructuredOperands.Count);
// Check the first operand (AH)
var ahOperand = instruction.StructuredOperands[0];
Assert.IsType<RegisterOperand>(ahOperand);
var registerOperand = (RegisterOperand)ahOperand;
Assert.Equal(RegisterIndex.A, registerOperand.Register);
Assert.Equal(8, registerOperand.Size); // Validate that it's an 8-bit register (AH)
// Check the second operand (immediate value)
var immOperand = instruction.StructuredOperands[1];
Assert.IsType<ImmediateOperand>(immOperand);
var immediateOperand = (ImmediateOperand)immOperand;
Assert.Equal(0x01U, immediateOperand.Value);
Assert.Equal(8, immediateOperand.Size); // Validate that it's an 8-bit immediate
}
/// <summary>
@ -122,14 +211,32 @@ public class TestInstructionHandlerTests
// TEST EDI, 0x12345678 (F7 C7 78 56 34 12) - ModR/M byte C7 = 11 000 111 (mod=3, reg=0, rm=7)
// mod=3 means direct register addressing, reg=0 indicates TEST operation, rm=7 is EDI
byte[] codeBuffer = new byte[] { 0xF7, 0xC7, 0x78, 0x56, 0x34, 0x12 };
var decoder = new InstructionDecoder(codeBuffer, codeBuffer.Length);
var disassembler = new Disassembler(codeBuffer, 0);
// Act
var instruction = decoder.DecodeInstruction();
var instructions = disassembler.Disassemble();
// Assert
Assert.Single(instructions);
var instruction = instructions[0];
Assert.NotNull(instruction);
Assert.Equal("test", instruction.Mnemonic);
Assert.Equal("edi, 0x12345678", instruction.Operands);
Assert.Equal(InstructionType.Test, instruction.Type);
// Check that we have two operands
Assert.Equal(2, instruction.StructuredOperands.Count);
// Check the first operand (EDI)
var ediOperand = instruction.StructuredOperands[0];
Assert.IsType<RegisterOperand>(ediOperand);
var registerOperand = (RegisterOperand)ediOperand;
Assert.Equal(RegisterIndex.D, registerOperand.Register);
Assert.Equal(32, registerOperand.Size); // Validate that it's a 32-bit register (EDI)
// Check the second operand (immediate value)
var immOperand = instruction.StructuredOperands[1];
Assert.IsType<ImmediateOperand>(immOperand);
var immediateOperand = (ImmediateOperand)immOperand;
Assert.Equal(0x12345678U, immediateOperand.Value);
Assert.Equal(32, immediateOperand.Size); // Validate that it's a 32-bit immediate
}
}