From 4ff94aa23d0c662c9b5824861ccafc1ee6fa1b01 Mon Sep 17 00:00:00 2001
From: Washi <washi1337@protonmail.com>
Date: Fri, 22 Mar 2024 17:56:46 +0100
Subject: [PATCH] Add nested class constructors test.

---
 .../Emulation/CilVirtualMachineTest.cs          | 17 +++++++++++++++++
 .../Mocks/ClassWithNestedInitializer.cs         | 16 ++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 test/Platforms/Mocks/ClassWithNestedInitializer.cs

diff --git a/test/Platforms/Echo.Platforms.AsmResolver.Tests/Emulation/CilVirtualMachineTest.cs b/test/Platforms/Echo.Platforms.AsmResolver.Tests/Emulation/CilVirtualMachineTest.cs
index 4199ffdd..496189d5 100644
--- a/test/Platforms/Echo.Platforms.AsmResolver.Tests/Emulation/CilVirtualMachineTest.cs
+++ b/test/Platforms/Echo.Platforms.AsmResolver.Tests/Emulation/CilVirtualMachineTest.cs
@@ -588,6 +588,23 @@ public void CallAndThrowUnhandledException(string methodName, object parameter)
             Assert.Equal(expectedException.GetType().FullName, result.ExceptionObject.GetObjectType().FullName);
         }
 
+        [Fact]
+        public void SteppingWithNestedInitializers()
+        {
+            // Look up metadata.
+            var method = _fixture
+                .MockModule.LookupMember<TypeDefinition>(typeof(ClassWithNestedInitializer.Class1).MetadataToken)
+                .Methods.First(m => m.Name == nameof(ClassWithNestedInitializer.Class1.Method));
+
+            // CAll method.
+            _vm.Invoker = DefaultInvokers.StepIn;
+            var result = _mainThread.Call(method, Array.Empty<BitVector>());
+            
+            // Verify.
+            Assert.NotNull(result);
+            Assert.Equal(1337, result.AsSpan().I32);
+        }
+
         [Fact]
         public void StaticFieldWithInitialValueUpdate()
         {
diff --git a/test/Platforms/Mocks/ClassWithNestedInitializer.cs b/test/Platforms/Mocks/ClassWithNestedInitializer.cs
new file mode 100644
index 00000000..8e1a5b11
--- /dev/null
+++ b/test/Platforms/Mocks/ClassWithNestedInitializer.cs
@@ -0,0 +1,16 @@
+namespace Mocks;
+
+    public class ClassWithNestedInitializer
+    {
+        public class Class1
+        {
+            public static int Field = Class2.Field;
+
+            public static int Method() => Field;
+        }
+
+        public class Class2
+        {
+            public static int Field = 1337;
+        }
+    }
\ No newline at end of file