public void FunctionProlog_ParseWithNullAssemblyToStartFrom_ThrowsNullArgumentException()
{
//arrange
var functionPrologParser = new FunctionPrologParser();
//act
Exception ex = null;
var isExceptionThrown = ExceptionTesterUtil.CheckIfExceptionIsThrown <ArgumentNullException>(
() => functionPrologParser.Parse(null, 0),
ref ex);
//assert
Assert.IsTrue(isExceptionThrown, "Parsing ");
}
public void FunctionProlog_ParseWithAssemblyOutOfRange_ThrowsNullArgumentException()
{
//arrange
var functionPrologParser = new FunctionPrologParser();
//act
Exception ex = null;
var isExceptionThrown = ExceptionTesterUtil.CheckIfExceptionIsThrown <ArgumentOutOfRangeException>(
() => functionPrologParser.Parse(new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Iaddsd)
{
Offset = 1
},
0),
ref ex);
//assert
Assert.IsTrue(isExceptionThrown, "Parsing prolog shoulf throw ArgumentNullException");
}
public void FunctionProlog_ParserWithNoFunctionProlog_ReturnsNull()
{
//arrange
DummyInstruction instruction1 = new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Iaaa);
DummyInstruction instruction2 = new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Iaad);
DummyInstruction instruction3 = new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Iadc);
instruction1.NextInstruction = instruction2;
instruction1.Offset = 0;
instruction2.NextInstruction = instruction3;
instruction2.Offset = 1;
instruction3.Offset = 2;
//act
var parser = new FunctionPrologParser();
var lastPrologAssembly = parser.Parse(instruction1, 2);
//assert
Assert.IsNull(lastPrologAssembly, "last prolog assembly should be null");
}
public void FunctionProlog_ParserWithFunctionPrologAtFirstInstruction_ReturnsNonNull()
{
//arrange
DummyInstruction instruction1 = new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Ipush);
DummyInstruction instruction2 = new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Imov);
DummyInstruction instruction3 = new DummyInstruction(SharpDisasm.Udis86.ud_mnemonic_code.UD_Iadc);
//set instruction 1
instruction1.NextInstruction = instruction2;
instruction1.Offset = 0;
ud_operand ud_operand1 = new ud_operand();
ud_operand1.@base = ud_type.UD_R_EBP;
var operand1 = new Operand(ud_operand1);
instruction1.Operands = new Operand[] { operand1 };
//set instruction 2
instruction2.NextInstruction = instruction3;
ud_operand ud_operand2_1 = new ud_operand();
ud_operand2_1.@base = SharpDisasm.Udis86.ud_type.UD_R_EBP;
var operand2_1 = new Operand(ud_operand2_1);
ud_operand ud_operand2_2 = new ud_operand();
ud_operand2_2.@base = SharpDisasm.Udis86.ud_type.UD_R_ESP;
var operand2_2 = new Operand(ud_operand2_2);
instruction2.Operands = new Operand[] { operand2_1, operand2_2 };
instruction3.Offset = 2;
//act
var parser = new FunctionPrologParser();
var lastPrologAssembly = parser.Parse(instruction1, 2);
//assert
Assert.IsNotNull(lastPrologAssembly, "last Prolog assembly should not be null");
}