Add test cases for abstract user-defined conversion operators

Author: Thomas REITMAYR

Examples/test-suite/common.mk

@@ -184,6 +184,7 @@ CPP_TEST_CASES += \
 	director_classes \
 	director_classic \
 	director_constructor \
+	director_conversion_operators \
 	director_default \
 	director_detect \
 	director_enum \

Examples/test-suite/director_conversion_operators.i

@@ -0,0 +1,35 @@
+%module(directors="1") director_conversion_operators
+
+%feature("director");
+
+%warnfilter(SWIGWARN_TYPEMAP_DIRECTOROUT_PTR) Bar;
+
+%rename(toFoo) Bar::operator Foo();
+%rename(toFooPtr) Bar::operator Foo *();
+%rename(toFooRef) Bar::operator Foo &();
+%rename(toFooPtrRef) Bar::operator Foo *&();
+
+%rename(toOtherFoo) Bar::operator OtherFoo();
+%rename(toOtherFooPtr) Bar::operator OtherFoo *();
+%rename(toOtherFooRef) Bar::operator OtherFoo &();
+%rename(toOtherFooPtrRef) Bar::operator OtherFoo *&();
+
+%inline %{
+   struct Foo {
+   };
+   struct OtherFoo {
+   };
+   struct Bar {
+      Foo myFoo;
+      Foo *myFooPtr;
+      virtual ~Bar() { }
+      virtual operator Foo () { return Foo(); }
+      virtual operator Foo *() { return &myFoo; }
+      virtual operator Foo &() { return myFoo; }
+      virtual operator Foo *&() { return myFooPtr; }
+      virtual operator OtherFoo () = 0;
+      virtual operator OtherFoo *() = 0;
+      virtual operator OtherFoo &() = 0;
+      virtual operator OtherFoo *&() = 0;
+   };
+%}