added a regression test for pythonnet#1420 (pythonnet#1652)

lostmsu · web-flow · commit 8d6a91891dea · 2021-12-30T10:20:31.000+01:00
closes pythonnet#1420
diff --git a/src/embed_tests/Inheritance.cs b/src/embed_tests/Inheritance.cs
@@ -59,6 +59,14 @@ public void InheritedFromInheritedClassIsSelf()
             Assert.IsTrue(PythonReferenceComparer.Instance.Equals(b, bInstanceClass));
         }
 
+        // https://github.com/pythonnet/pythonnet/issues/1420
+        [Test]
+        public void CallBaseMethodFromContainerInNestedClass()
+        {
+            using var nested = new ContainerClass.InnerClass().ToPython();
+            nested.InvokeMethod(nameof(ContainerClass.BaseMethod));
+        }
+
         [Test]
         public void Grandchild_PassesExtraBaseInstanceCheck()
         {
@@ -183,4 +191,14 @@ public int XProp
             set => this.extras[nameof(this.XProp)] = value;
         }
     }
+
+    public class ContainerClass
+    {
+        public void BaseMethod() { }
+
+        public class InnerClass: ContainerClass
+        {
+
+        }
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -59,6 +59,14 @@ public void InheritedFromInheritedClassIsSelf()`
`59`	`59`	`Assert.IsTrue(PythonReferenceComparer.Instance.Equals(b, bInstanceClass));`
`60`	`60`	`}`
`61`	`61`
	`62`	`+ // https://github.com/pythonnet/pythonnet/issues/1420`
	`63`	`+ [Test]`
	`64`	`+ public void CallBaseMethodFromContainerInNestedClass()`
	`65`	`+ {`
	`66`	`+ using var nested = new ContainerClass.InnerClass().ToPython();`
	`67`	`+ nested.InvokeMethod(nameof(ContainerClass.BaseMethod));`
	`68`	`+ }`
	`69`	`+`
`62`	`70`	`[Test]`
`63`	`71`	`public void Grandchild_PassesExtraBaseInstanceCheck()`
`64`	`72`	`{`
`@@ -183,4 +191,14 @@ public int XProp`
`183`	`191`	`set => this.extras[nameof(this.XProp)] = value;`
`184`	`192`	`}`
`185`	`193`	`}`
	`194`	`+`
	`195`	`+ public class ContainerClass`
	`196`	`+ {`
	`197`	`+ public void BaseMethod() { }`
	`198`	`+`
	`199`	`+ public class InnerClass: ContainerClass`
	`200`	`+ {`
	`201`	`+`
	`202`	`+ }`
	`203`	`+ }`
`186`	`204`	`}`