| library test; |
| // |
| // Problems in library: |
| // |
| // pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart:30:14: Error: The type 'C<num>' of the getter 'D.value' is not assignable to the type 'int Function(int)' of the setter 'D.value'. |
| // - 'C' is from 'pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart'. |
| // C<num> get value => getValue; |
| // ^^^^^ |
| // pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart:32:12: Context: This is the declaration of the setter 'D.value'. |
| // void set value(int Function(int) value) { |
| // ^^^^^ |
| // |
| // pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart:49:46: Error: A value of type 'num Function(num)' can't be assigned to a variable of type 'int Function(int)'. |
| // d.value /*@ checkReturn=(num*) ->* num* */ += 1; |
| // ^ |
| // |
| // pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart:53:48: Error: A value of type 'num Function(num)' can't be assigned to a variable of type 'int Function(int)'. |
| // d.value /*@ checkReturn=(num*) ->* num* */ += 1; |
| // ^ |
| // |
| import self as self; |
| import "dart:core" as core; |
| |
| class C<T extends core::Object* = dynamic> extends core::Object { |
| final field (self::C::T*) →* core::num* plusResult; |
| constructor •((self::C::T*) →* core::num* plusResult) → self::C<self::C::T*>* |
| : self::C::plusResult = plusResult, super core::Object::•() |
| ; |
| operator +(core::int* i) → (self::C::T*) →* core::num* |
| return this.{self::C::plusResult}{(self::C::T*) →* core::num*}; |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| class D extends core::Object { |
| final field self::C<core::num*>* getValue; |
| field (core::int*) →* core::int* setValue = null; |
| constructor •(self::C<core::num*>* getValue) → self::D* |
| : self::D::getValue = getValue, super core::Object::•() |
| ; |
| get value() → self::C<core::num*>* |
| return this.{self::D::getValue}{self::C<core::num*>*}; |
| set value((core::int*) →* core::int* value) → void { |
| this.{self::D::setValue} = value; |
| } |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| static method expectTypeError(() →* void callback) → void { |
| try { |
| callback(){() →* void}; |
| 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::==}{(core::Object*) →* core::bool*} expected)) { |
| throw "Expected ${expected}, got ${value}"; |
| } |
| } |
| static method numToInt(core::num* n) → core::int* |
| return 1; |
| static method numToNum(core::num* n) → core::num* |
| return 2; |
| static method main() → void { |
| self::D* d = new self::D::•(new self::C::•<core::num*>(#C1)); |
| let final self::D* #t1 = d in #t1.{self::D::value} = let final Never* #t2 = invalid-expression "pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart:49:46: Error: A value of type 'num Function(num)' can't be assigned to a variable of type 'int Function(int)'. |
| d.value /*@ checkReturn=(num*) ->* num* */ += 1; |
| ^" in (#t1.{self::D::value}{self::C<core::num*>*}.{self::C::+}(1){(core::int*) →* (core::num*) →* core::num*} as{TypeError,CovarianceCheck} (core::num*) →* core::num*) as{TypeError} (core::int*) →* core::int*; |
| self::expect(let final self::D* #t3 = d in let final core::int* #t4 = 0 in #t3.{self::D::setValue}{(core::int*) →* core::int*}(#t4){(core::int*) →* core::int*}, 1); |
| d = new self::D::•(new self::C::•<core::num*>(#C2)); |
| self::expectTypeError(() → Null { |
| let final self::D* #t5 = d in #t5.{self::D::value} = let final Never* #t6 = invalid-expression "pkg/front_end/testcases/runtime_checks_new/contravariant_generic_return_with_compound_assign_implicit_downcast.dart:53:48: Error: A value of type 'num Function(num)' can't be assigned to a variable of type 'int Function(int)'. |
| d.value /*@ checkReturn=(num*) ->* num* */ += 1; |
| ^" in (#t5.{self::D::value}{self::C<core::num*>*}.{self::C::+}(1){(core::int*) →* (core::num*) →* core::num*} as{TypeError,CovarianceCheck} (core::num*) →* core::num*) as{TypeError} (core::int*) →* core::int*; |
| }); |
| self::expect(d.{self::D::setValue}{(core::int*) →* core::int*}, null); |
| } |
| |
| constants { |
| #C1 = tearoff self::numToInt |
| #C2 = tearoff self::numToNum |
| } |
| |
| Extra constant evaluation status: |
| Evaluated: VariableGet @ org-dartlang-testcase:///contravariant_generic_return_with_compound_assign_implicit_downcast.dart:50:21 -> IntConstant(0) |
| Extra constant evaluation: evaluated: 58, effectively constant: 1 |