blob: efe62a9722e9fe44fdc95606e01cba84009483a2 [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 U0[Z0/X0, ..., Zk/Xk] is not a subtype of
* U1[Z0/Y0, ..., Zk/Yk], 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
* @author sgrekhov@unipro.ru
*/
/*
* This test is generated from named_function_types_fail_A41.dart and
* class_member_fail_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.
*/
import '../../utils/common.dart';
import '../../../../Utils/expect.dart';
class U0 {} // U0 is not subtype of 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 x2, S3 x3});
U0 t0Func(V0 x0, V1 x1, {V2 x2, V3 x3, V4 x4}) => null;
U1 t1Func(S0 y0, S1 y1, {S2 x2, S3 x3}) => null;
T0 t0Instance = t0Func;
T1 t1Instance = t1Func;
class ClassMemberSuper1_t03 {
T1 m;
void set superSetter(T1 val) {}
}
class ClassMember1_t03 extends Object with ClassMemberSuper1_t03 {
test1() {
m = forgetType(t0Instance);
}
test2() {
superSetter = forgetType(t0Instance);
}
}
class ClassMemberSuper2_t03<X> {
X m;
void set superSetter(X val) {}
}
class ClassMember2_t03<X> extends ClassMemberSuper2_t03<X> {
test1() {
m = forgetType(t0Instance);
}
test2() {
superSetter = forgetType(t0Instance);
}
}
main() {
Expect.throws(() {
new ClassMember1_t03().m = forgetType(t0Instance);
}, (e) => e is TypeError);
Expect.throws(() {
new ClassMember1_t03().superSetter = forgetType(t0Instance);
}, (e) => e is TypeError);
Expect.throws(() {
new ClassMember1_t03().test1();
}, (e) => e is TypeError);
Expect.throws(() {
new ClassMember1_t03().test2();
}, (e) => e is TypeError);
// Test type parameters
//# <-- NotGenericFunctionType
Expect.throws(() {
new ClassMember2_t03<T1>().m = forgetType(t0Instance);
}, (e) => e is TypeError);
Expect.throws(() {
new ClassMember2_t03<T1>().superSetter = forgetType(t0Instance);
}, (e) => e is TypeError);
Expect.throws(() {
new ClassMember2_t03<T1>().test1();
}, (e) => e is TypeError);
Expect.throws(() {
new ClassMember2_t03<T1>().test2();
}, (e) => e is TypeError);
//# -->
}