blob: 46053732242559b29291728b414250edf193a094 [file] [log] [blame]
/*
* 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:
* Named Function Types: T0 is U0 Function<X0 extends B00, ..., Xk extends B0k>
* (T0 x0, ..., Tn xn, {Tn+1 xn+1, ..., Tm xm})
*
* and T1 is U1 Function<Y0 extends B10, ..., Yk extends B1k>(S0 y0, ..., Sn yn,
* {Sn+1 yn+1, ..., Sq yq})
* and {yn+1, ... , yq} subsetof {xn+1, ... , xm}
* and Si[Z0/Y0, ..., Zk/Yk] <: Vi[Z0/X0, ..., Zk/Xk] for i in 0...n
* and Si[Z0/Y0, ..., Zk/Yk] <: Tj[Z0/X0, ..., Zk/Xk] for i in n+1...q, yj = xi
* 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 {yn+1, ... , yq} is not subsetof {xn+1, ... , xm},
* then T0 is not a subtype of T1
* @author sgrekhov@unipro.ru
*/
/**
* @description Check that if type T0 is not a subtype of a type T1, then
* instance of T0 cannot be be assigned to the mixin member of type T1.
* Assignment to instance variable of super class is tested.
* @compile-error
* @author sgrekhov@unipro.ru
* @author ngl@unipro.ru
*/
/*
* This test is generated from named_function_types_fail_A12.dart and
* class_member_mixin_fail_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.
*/
class U0 extends U1 {}
class U1 {}
class B0 {}
class B1 {}
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 {}
class S4 extends V4 {}
class X0 extends B0 {}
class X1 extends B1 {}
class Y0 extends B0 {}
class Y1 extends B1 {}
typedef T0 = U0 Function<X extends B0, Y extends B1>(V0 x0, V1 x1, {V2 x2, V3 x3, V4 x4});
typedef T1 = U1 Function<X extends B0, Y extends B1>(S0 y0, S1 y1, {S2 x2, S3 x3, S4 x4, V4 x5}); // x2...x5 is not subset of x2...x4
U0 t0Func<X extends B0, Y extends B1>(V0 x0, V1 x1, {V2 x2, V3 x3, V4 x4}) => null;
U1 t1Func<X extends B0, Y extends B1>(S0 y0, S1 y1, {S2 x2, S3 x3, S4 x4, V4 x5}) => null;
T0 t0Instance = t0Func;
T1 t1Instance = t1Func;
class ClassMemberSuper1_t03 {
T1 m;
void set superSetter(T1 val) {} //# 02: compile-time error
}
class ClassMember1_t03 extends Object with ClassMemberSuper1_t03 {
test1() {
m = t0Instance; //# 03: compile-time error
}
test2() {
superSetter = t0Instance; //# 04: compile-time error
}
}
main() {
new ClassMember1_t03().m = t0Instance; //# 01: compile-time error
new ClassMember1_t03().superSetter = t0Instance; //# 02: compile-time error
new ClassMember1_t03().test1(); //# 03: compile-time error
new ClassMember1_t03().test2(); //# 04: compile-time error
}