public void ConstantCaching_Unqualified7() {
var wr = new WeakReference(new object());
Context.DefineGlobalVariable("wr", wr);
var result = Engine.Execute<RubyArray>(@"
C = $wr
def c; C; end # tested cache
r = [c, c]
C = nil
r + [c, c]
");
Assert(ReferenceEquals(result[0], wr));
Assert(ReferenceEquals(result[1], wr));
Assert(ReferenceEquals(result[2], null));
Assert(ReferenceEquals(result[3], null));
}