| // LANGUAGE: +StrictEquals | |
| data object Singleton { | |
| val tag: String = "singleton" | |
| } | |
| fun box(): String { | |
| if (Singleton != Singleton) return "FAIL 1" | |
| val any: Any? = Singleton | |
| if (Singleton != any) return "FAIL 2" | |
| if (Singleton == any) { | |
| if (any.tag != "singleton") return "FAIL 3" | |
| } | |
| val other: Any? = "not singleton" | |
| if (Singleton == other) return "FAIL 4" | |
| return "OK" | |
| } |