dart / co19 / refs/heads/nnbd / . / LanguageFeatures / Subtyping / static / generated / positional_function_types_class_member_A02_t01.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 the case 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 class member of type T1 | |

* @author sgrekhov@unipro.ru | |

*/ | |

/* | |

* This test is generated from positional_function_types_A02.dart and | |

* class_member_x01.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 U0 extends U1 {} | |

class U1 {} | |

class V0 {} | |

class V1 {} | |

class V2 {} | |

class V3 {} | |

class V4 {} | |

class S0 extends V0 {} | |

class S1 extends V1 {} | |

class S2 extends V2 {} | |

class S3 extends V3 {} | |

typedef T0 = U0 Function(V0 x0, V1 x1, [V2? x2, V3? x3, V4? x4]); | |

typedef T1 = U1 Function(S0 y0, S1 y1, S2 y2, [S3? y3]); | |

U0 t0Func(V0 x0, V1 x1, [V2? x2, V3? x3, V4? x4]) => new U0(); | |

U1 t1Func(S0 y0, S1 y1, S2 y2, [S3? y3]) => new U1(); | |

T0 t0Instance = t0Func; | |

T1 t1Instance = t1Func; | |

const t1Default = t1Func; | |

class ClassMember1_t01 { | |

static T1 s = t0Instance; | |

T1 m = t0Instance; | |

T1 _p = t0Instance; | |

ClassMember1_t01() { | |

s = t0Instance; | |

m = t0Instance; | |

_p = t0Instance; | |

} | |

ClassMember1_t01.named(T1 value) { | |

s = value; | |

m = value; | |

_p = value; | |

} | |

ClassMember1_t01.short(this.m, this._p); | |

test() { | |

s = t0Instance; | |

m = t0Instance; | |

_p = t0Instance; | |

} | |

set setter(T1 val) { | |

_p = val; | |

} | |

T1 get getter => _p; | |

static staticTest() { | |

s = t0Instance; | |

} | |

static set staticSetter(T1 val) { | |

s = val; | |

} | |

static T1 get staticGetter => t0Instance; | |

} | |

main() { | |

ClassMember1_t01 c1 = new ClassMember1_t01(); | |

c1 = new ClassMember1_t01.short(t0Instance, | |

t0Instance); | |

c1 = new ClassMember1_t01.named(t0Instance); | |

c1.m = t0Instance; | |

c1.test(); | |

c1.setter = t0Instance; | |

c1.getter; | |

ClassMember1_t01.s = t0Instance; | |

ClassMember1_t01.staticTest(); | |

ClassMember1_t01.staticSetter = t0Instance; | |

ClassMember1_t01.staticGetter; | |

} |