Add test for interface derived classes

C-SELLERS · C-SELLERS · commit cd06d10c4365 · 2021-02-15T16:16:25.000-08:00
diff --git a/src/embed_tests/TestInterfaceClasses.cs b/src/embed_tests/TestInterfaceClasses.cs
@@ -0,0 +1,76 @@
+using NUnit.Framework;
+using Python.Runtime;
+
+namespace Python.EmbeddingTest
+{
+    public class TestInterfaceClasses
+    {
+        public string testCode = @"
+from clr import AddReference
+AddReference(""System"")
+AddReference(""Python.EmbeddingTest"")
+from Python.EmbeddingTest import *
+
+testModule = TestInterfaceClasses.GetInstance()
+print(testModule.Child.ChildBool)
+
+";
+
+        [OneTimeSetUp]
+        public void SetUp()
+        {
+            PythonEngine.Initialize();
+        }
+
+        [OneTimeTearDown]
+        public void Dispose()
+        {
+            PythonEngine.Shutdown();
+        }
+
+        [Test]
+        public void TestInterfaceDerivedClassMembers()
+        {
+            // This test gets an instance of the CSharpTestModule in Python
+            // and then attempts to access it's member "Child"'s bool that is
+            // not defined in the interface.
+            PythonEngine.Exec(testCode);
+        }
+
+        public interface IInterface
+        {
+            bool InterfaceBool { get; set; }
+        }
+
+        public class Parent : IInterface
+        {
+            public bool InterfaceBool { get; set; }
+            public bool ParentBool { get; set; }
+        }
+
+        public class Child : Parent
+        {
+            public bool ChildBool { get; set; }
+        }
+
+        public class CSharpTestModule
+        {
+            public IInterface Child;
+
+            public CSharpTestModule()
+            {
+                Child = new Child
+                {
+                    ChildBool = true,
+                    ParentBool = true,
+                    InterfaceBool = true
+                };
+            }
+        }
+
+        public static CSharpTestModule GetInstance()
+        {
+            return new CSharpTestModule();
+        }
+    }
+}
