Tests: Add TestAppModelQueries

Il2CppTests/TestAppModelQueries.cs

@@ -0,0 +1,51 @@
+/*
+    Copyright 2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
+
+    All rights reserved.
+*/
+
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using Il2CppInspector.Cpp;
+using Il2CppInspector.Cpp.UnityHeaders;
+using Il2CppInspector.Model;
+using Il2CppInspector.Reflection;
+using NUnit.Framework;
+
+namespace Il2CppInspector
+{
+    [TestFixture]
+    public partial class FixedTests 
+    {
+        // Tests for static analysis queries
+        [Test]
+        public void TestAppModelQueries() {
+            // Arrange
+            // We're currently in IlCppTests\bin\Debug\netcoreapp3.0 or similar
+            var testPath = Path.GetFullPath(Directory.GetCurrentDirectory() + @"\..\..\..\TestBinaries\ArraysAndPointers-ARM64");
+
+            // Act
+            var inspectors = Il2CppInspector.LoadFromFile(testPath + @"\ArraysAndPointers-ARM64.so", testPath + @"\global-metadata.dat");
+            var model = new TypeModel(inspectors[0]);
+            var app = new AppModel(model).Build();
+
+            // Assert
+
+            // Check VTable offset is accurate
+            Assert.AreEqual(0x130, app.GetVTableOffset());
+
+            // BufferedStream.Flush()
+            Assert.AreEqual(11, app.GetVTableIndexFromClassOffset(0x1E0));
+
+            var vtable = model.GetType("System.IO.BufferedStream").GetVTable();
+
+            Assert.AreEqual("get_CanWrite", vtable[app.GetVTableIndexFromClassOffset(0x1E0)].Name);
+
+            var method = app.Methods.Values.First(m => m.MethodCodeAddress == 0x7C94D4);
+            Assert.AreEqual("Flush", method.Method.Name);
+            Assert.AreEqual("System.IO.BufferedStream", method.Method.DeclaringType.FullName);
+        }
+    }
+}