Tests: Add TestGenericTypes (failing)

Il2CppTests/TestGenericTypes.cs

@@ -0,0 +1,80 @@
+/*
+    Copyright 2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
+
+    All rights reserved.
+*/
+
+using System;
+using System.IO;
+using Il2CppInspector.Reflection;
+using NUnit.Framework;
+
+namespace Il2CppInspector
+{
+    [TestFixture]
+    public class FixedTests 
+    {
+        // Check generic flags according to https://docs.microsoft.com/en-us/dotnet/api/system.type.isgenerictype?view=netframework-4.8
+        [Test]
+        public void TestGenericTypes() {
+
+            // Arrange
+            // We're currently in IlCppTests\bin\Debug\netcoreapp3.0 or similar
+            var testPath = Path.GetFullPath(Directory.GetCurrentDirectory() + @"\..\..\..\TestBinaries\GenericTypes");
+
+            // Build model
+            var inspectors = Il2CppInspector.LoadFromFile(testPath + @"\GenericTypes.so", testPath + @"\global-metadata.dat");
+            var model = new Il2CppModel(inspectors[0]);
+
+            var asm = model.GetAssembly("GenericTypes.dll");
+
+            // Act
+            TypeInfo tDerived = asm.GetType("Il2CppTests.TestSources.Derived`1[V]");
+            TypeInfo tDerivedBase = tDerived.BaseType;
+
+            // TODO: array of Derived<int>
+            // TypeInfo tDerivedArray
+
+            TypeInfo tT = asm.GetType("Il2CppTests.TestSources.Base`2[T,U]").GenericTypeParameters[0];
+            TypeInfo tF = tDerived.GetField("F").FieldType;
+            TypeInfo tNested = asm.GetType("Il2CppTests.TestSources.Derived`1[V]+Nested[V]");
+
+            DisplayGenericType(tDerived, "Derived<V>");
+            DisplayGenericType(tDerivedBase, "Base type of Derived<V>");
+            //DisplayGenericType(tDerivedArray, "Array of Derived<int>");
+            DisplayGenericType(tT, "Type parameter T from Base<T>");
+            DisplayGenericType(tF, "Field type, G<Derived<V>>");
+            DisplayGenericType(tNested, "Nested type in Derived<V>");
+
+            // Assert
+            var checks = new[] {
+                (tDerived, "Derived`1[V]", true, true, true, false),
+                (tDerivedBase, "Base`2[System.String,V]", true, false, true, false),
+                //(tDerivedArray, "Derived`1[System.Int32][]", false, false, false, false),
+                (tT, "T", false, false, true, true),
+                (tF, "G`1[Derived`1[V]]", true, false, true, false),
+                (tNested, "Derived`1+Nested[V]", true, true, true, false)
+            };
+
+            foreach (var check in checks) {
+                var t = check.Item1;
+
+                Assert.That(t.ToString(), Is.EqualTo(check.Item2));
+                Assert.That(t.IsGenericType, Is.EqualTo(check.Item3));
+                Assert.That(t.IsGenericTypeDefinition, Is.EqualTo(check.Item4));
+                Assert.That(t.ContainsGenericParameters, Is.EqualTo(check.Item5));
+                Assert.That(t.IsGenericParameter, Is.EqualTo(check.Item6));
+            }
+        }
+
+        private void DisplayGenericType(TypeInfo t, string caption) {
+            Console.WriteLine("\n{0}", caption);
+            Console.WriteLine("    Type: {0}", t);
+
+            Console.WriteLine("\t            IsGenericType: {0}", t.IsGenericType);
+            Console.WriteLine("\t  IsGenericTypeDefinition: {0}", t.IsGenericTypeDefinition);
+            Console.WriteLine("\tContainsGenericParameters: {0}", t.ContainsGenericParameters);
+            Console.WriteLine("\t       IsGenericParameter: {0}", t.IsGenericParameter);
+        }
+    }
+}