| library test; |
| import self as self; |
| import "dart:core" as core; |
| |
| class B extends core::Object { |
| synthetic constructor •() → self::B |
| : super core::Object::•() |
| ; |
| method f(core::int x) → core::int { |
| self::expect(x, 1); |
| return 2; |
| } |
| } |
| abstract class I extends core::Object { |
| synthetic constructor •() → self::I |
| : super core::Object::•() |
| ; |
| abstract method f(covariant core::Object x) → core::int; |
| } |
| class C extends self::B implements self::I { |
| synthetic constructor •() → self::C |
| : super self::B::•() |
| ; |
| forwarding-stub method f(covariant core::Object x) → core::int |
| return super.{self::B::f}(x); |
| } |
| static method expectTypeError(() → void callback) → void { |
| try { |
| callback.call(); |
| throw "Expected TypeError, did not occur"; |
| } |
| on core::TypeError catch(no-exception-var) { |
| } |
| } |
| static method expect(core::Object value, core::Object expected) → void { |
| if(!value.{core::Object::==}(expected)) { |
| throw "Expected ${expected}, got ${value}"; |
| } |
| } |
| static method g(self::C c) → void { |
| c.{self::C::f}("hello"); |
| } |
| static method test(self::C c, self::I i) → void { |
| self::expectTypeError(() → core::Null { |
| i.{self::I::f}("hello"); |
| }); |
| self::expect(i.{self::I::f}(1), 2); |
| self::expectTypeError(() → core::Null { |
| c.{self::C::f}("hello"); |
| }); |
| self::expect(c.{self::C::f}(1), 2); |
| } |
| static method main() → dynamic { |
| self::C c = new self::C::•(); |
| self::test(c, c); |
| } |