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using System;
using System.Collections.Generic;
using Moq;
using NFluent;
using ReClassNET.AddressParser;
using ReClassNET.Memory;
using Xunit;
namespace ReClass.NET_Tests.AddressParser
{
public abstract class ExecutorTest
{
protected abstract IExecutor CreateExecutor();
public static IEnumerable<object[]> GetSimpleExpressionTestData() => new List<object[]>
{
new object[] { "0", (IntPtr)0x0 },
new object[] { "0 + 0", (IntPtr)0x0 },
new object[] { "+0", (IntPtr)0x0 },
new object[] { "-0", (IntPtr)0x0 },
new object[] { "-1", (IntPtr)(-1) },
new object[] { "+0 + 0", (IntPtr)0x0 },
new object[] { "-0 - 0", (IntPtr)0x0 },
new object[] { "0 + 1", (IntPtr)0x1 },
new object[] { "0 - 1", (IntPtr)(-1) },
new object[] { "1 + 2 * 3", (IntPtr)0x7 },
new object[] { "0x123 + 0x234 * 0x345", (IntPtr)0x73527 },
new object[] { "4 / 0x2", (IntPtr)0x2 }
};
[Theory]
[MemberData(nameof(GetSimpleExpressionTestData))]
public void SimpleExpressionTest(string expression, IntPtr expected)
{
var mock = new Mock<IProcessReader>();
var executor = CreateExecutor();
Check.That(executor.Execute(Parser.Parse(expression), mock.Object)).IsEqualTo(expected);
}
public static IEnumerable<object[]> GetModuleExpressionTestData() => new List<object[]>
{
new object[] { "<test.module>", (IntPtr)0x100 },
new object[] { "<test.module> + 0", (IntPtr)0x100 },
new object[] { "<test.module> + 10", (IntPtr)0x110 },
new object[] { "<test.module> * 2", (IntPtr)0x200 },
new object[] { "<not.found>", (IntPtr)0x0 },
};
[Theory]
[MemberData(nameof(GetModuleExpressionTestData))]
public void ModuleExpressionTest(string expression, IntPtr expected)
{
var mock = new Mock<IProcessReader>();
mock.Setup(p => p.GetModuleByName("test.module"))
.Returns(new Module { Start = (IntPtr)0x100 });
var executor = CreateExecutor();
Check.That(executor.Execute(Parser.Parse(expression), mock.Object)).IsEqualTo(expected);
}
public static IEnumerable<object[]> GetReadMemoryExpressionTestData(int bytesToRead) => new List<object[]>
{
new object[] { $"[0,{bytesToRead}]", (IntPtr)0x0 },
new object[] { $"[0,{bytesToRead}] + 10", (IntPtr)0x10 },
new object[] { $"[10,{bytesToRead}]", (IntPtr)0x10 },
new object[] { $"[10 + 10,{bytesToRead}]", (IntPtr)0x20 },
new object[] { $"[[10,{bytesToRead}] + 10,{bytesToRead}]", (IntPtr)0x20 },
new object[] { $"[[10,{bytesToRead}] + [10,{bytesToRead}],{bytesToRead}] + [10,{bytesToRead}]", (IntPtr)0x30 }
};
[Theory]
[MemberData(nameof(GetReadMemoryExpressionTestData), 4)]
public void ReadMemoryExpression32Test(string expression, IntPtr expected)
{
var mock = new Mock<IProcessReader>();
mock.Setup(p => p.ReadRemoteInt32((IntPtr)0))
.Returns(0);
mock.Setup(p => p.ReadRemoteInt32((IntPtr)0x10))
.Returns(0x10);
mock.Setup(p => p.ReadRemoteInt32((IntPtr)0x20))
.Returns(0x20);
mock.Setup(p => p.ReadRemoteInt32((IntPtr)0x30))
.Returns(0x30);
var executor = CreateExecutor();
Check.That(executor.Execute(Parser.Parse(expression), mock.Object)).IsEqualTo(expected);
}
[Theory]
[MemberData(nameof(GetReadMemoryExpressionTestData), 8)]
public void ReadMemoryExpression64Test(string expression, IntPtr expected)
{
var mock = new Mock<IProcessReader>();
mock.Setup(p => p.ReadRemoteInt64((IntPtr)0))
.Returns(0);
mock.Setup(p => p.ReadRemoteInt64((IntPtr)0x10))
.Returns(0x10);
mock.Setup(p => p.ReadRemoteInt64((IntPtr)0x20))
.Returns(0x20);
mock.Setup(p => p.ReadRemoteInt64((IntPtr)0x30))
.Returns(0x30);
var executor = CreateExecutor();
Check.That(executor.Execute(Parser.Parse(expression), mock.Object)).IsEqualTo(expected);
}
[Fact]
public void ReadMemoryExpressionInvariantTest()
{
var mock = new Mock<IProcessReader>();
mock.Setup(p => p.ReadRemoteInt32((IntPtr)0x10))
.Returns(0x10);
mock.Setup(p => p.ReadRemoteInt64((IntPtr)0x10))
.Returns(0x10);
var executor = CreateExecutor();
Check.That(executor.Execute(Parser.Parse("[10]"), mock.Object)).IsEqualTo((IntPtr)0x10);
}
}
}