dart / co19 / refs/heads/nnbd / . / LanguageFeatures / Subtyping / static / generated / positional_function_types_class_member_A31_t03.dart

/* | |

* Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file | |

* for details. All rights reserved. Use of this source code is governed by a | |

* BSD-style license that can be found in the LICENSE file. | |

*/ | |

/** | |

* @assertion A type T0 is a subtype of a type T1 (written T0 <: T1) when: | |

* Positional Function Types: T0 is U0 Function<X0 extends B00, ... , | |

* Xk extends B0k>(V0 x0, ..., Vn xn, [Vn+1 xn+1, ..., Vm xm]) | |

* | |

* and T1 is U1 Function<Y0 extends B10, ..., Yk extends B1k>(S0 y0, ..., | |

* Sp yp, [Sp+1 yp+1, ..., Sq yq]) | |

* and p >= n | |

* and m >= q | |

* and Si[Z0/Y0, ..., Zk/Yk] <: Vi[Z0/X0, ..., Zk/Xk] for i in 0...q | |

* and U0[Z0/X0, ..., Zk/Xk] <: U1[Z0/Y0, ..., Zk/Yk] | |

* and B0i[Z0/X0, ..., Zk/Xk] === B1i[Z0/Y0, ..., Zk/Yk] for i in 0...k | |

* where the Zi are fresh type variables with bounds B0i[Z0/X0, ..., Zk/Xk] | |

* @description Check that if T0 and T1 satisfies the rules above, then T0 is | |

* subtype of T1. Test generic types with Null type when p == n and m == q. | |

* @author sgrekhov@unipro.ru | |

*/ | |

/** | |

* @description Check that if type T0 is a subtype of a type T1, then instance | |

* of T0 can be be assigned to the mixin member of type T1 | |

* @author sgrekhov@unipro.ru | |

*/ | |

/* | |

* This test is generated from positional_function_types_A31.dart and | |

* class_member_x03.dart. | |

* Don't modify it. If you want to change this file, change one of the files | |

* above and then run generator.dart to regenerate the tests. | |

*/ | |

// SharedOptions=--enable-experiment=non-nullable | |

class A {} | |

class C extends A {} | |

class U0<X, Y, Z> extends U1<X, Y, Z> {} | |

class U1<X, Y, Z> {} | |

class B0<X, Y, Z> {} | |

class B1<X, Y, Z> {} | |

class V0<X, Y, Z> {} | |

class V1<X, Y, Z> {} | |

class V2<X, Y, Z> {} | |

class V3<X, Y, Z> {} | |

class V4<X, Y, Z> {} | |

class S0<X, Y, Z> extends V0<X, Y, Z> {} | |

class S1<X, Y, Z> extends V1<X, Y, Z> {} | |

class S2<X, Y, Z> extends V2<X, Y, Z> {} | |

class S3<X, Y, Z> extends V3<X, Y, Z> {} | |

class X0<X, Y, Z> extends B0<X, Y, Z> {} | |

class X1<X, Y, Z> extends B1<X, Y, Z> {} | |

class Y0<X, Y, Z> extends B0<X, Y, Z> {} | |

class Y1<X, Y, Z> extends B1<X, Y, Z> {} | |

typedef T0 = U0<Null, Null, Null> Function<X extends B0, Y extends B1>( | |

V0<A, List, num> x0, V1<A, List, num> x1, | |

[V2<A, List, num>? x2, V3<A, List, num>? x3]); | |

typedef T1 = U1<A, List, num> Function<X extends B0, Y extends B1>( | |

S0<Null, Null, Null> y0, S1<Null, Null, Null> y1, | |

[S2<Null, Null, Null>? x2, S3<Null, Null, Null>? x3]); | |

U0<Null, Null, Null> t0Func<X extends B0, Y extends B1>( | |

V0<A, List, num> x0, V1<A, List, num> x1, | |

[V2<A, List, num>? x2, V3<A, List, num>? x3]) => | |

null; | |

U1<A, List, num> t1Func<X extends B0, Y extends B1>( | |

S0<Null, Null, Null> y0, S1<Null, Null, Null> y1, | |

[S2<Null, Null, Null>? x2, S3<Null, Null, Null>? x3]) => | |

null; | |

T0 t0Instance = t0Func; | |

T1 t1Instance = t1Func; | |

const t1Default = t1Func; | |

class ClassMemberMixin1_t03 { | |

T1 m = t1Default; | |

void set superSetter(dynamic val) {} | |

} | |

class ClassMember1_t03 extends Object with ClassMemberMixin1_t03 { | |

test() { | |

m = t0Instance; | |

superSetter = t0Instance; | |

} | |

} | |

main() { | |

ClassMember1_t03 c1 = new ClassMember1_t03(); | |

c1.m = t0Instance; | |

c1.test(); | |

c1.superSetter = t0Instance; | |

} | |