// 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} subset of {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 T0 and T1 satisfies the rules above, then T0 is
/// subtype of T1. Test generic types with Null type
/// @author sgrekhov@unipro.ru
///
/// @description Check that if type T0 is a subtype of a type T1, then instance
/// of T0 can be be used as an argument of type T1. Test superclass members
/// @author sgrekhov@unipro.ru
///
/// This test is generated from named_function_types_A04.dart and 
/// arguments_binding_x02.dart.
/// Don't modify it. If you want to change this test, change one of the files 
/// above and then run generator.dart to regenerate the tests.


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, V4<A?, List?, num?>? x4});
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, V4<A?, List?, num?>? x4}) =>
    new U0<Null, Null, 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}) =>
    new U1<A?, List?, num?>();

T0 t0Instance = t0Func;
T1 t1Instance = t1Func;

const t1Default = t1Func;


class ArgumentsBindingSuper1_t02 {
  T1 m = t1Default;

  ArgumentsBindingSuper1_t02(T1 value): m = value {}
  ArgumentsBindingSuper1_t02.named(T1 value, {T1 val2 = t1Default}): m = value {}
  ArgumentsBindingSuper1_t02.positional(T1 value, [T1 val2 = t1Default]): m = value {}
  ArgumentsBindingSuper1_t02.short(this.m);

  void superTest(T1 val) {}
  void superTestPositioned(T1 val, [T1 val2 = t1Default]) {}
  void superTestNamed(T1 val, {T1 val2 = t1Default}) {}
  T1 get superGetter => m;
  void set superSetter(T1 val) {}
}

class ArgumentsBinding1_t02 extends ArgumentsBindingSuper1_t02 {
  ArgumentsBinding1_t02(dynamic t1) : super(t1) {}
  ArgumentsBinding1_t02.c1(dynamic t1) : super.named(t1) {}
  ArgumentsBinding1_t02.c2(dynamic t1, dynamic t2) : super.named(t1, val2: t2) {}
  ArgumentsBinding1_t02.c3(dynamic t1) : super.positional(t1) {}
  ArgumentsBinding1_t02.c4(dynamic t1, dynamic t2) : super.positional(t1, t2) {}
  ArgumentsBinding1_t02.c5(dynamic t1) : super.short(t1) {}

  test(dynamic t1, dynamic t2) {
    superTest(t1);
    superTestPositioned(t1);
    superTestPositioned(t2, t1);
    superTestNamed(t1);
    superTestNamed(t2, val2: t1);
    superSetter = t1;
    m = t1;
    superGetter;
  }
}

class ArgumentsBindingSuper2_t02<X> {
  X m;

  ArgumentsBindingSuper2_t02(X value): m = value {}
  ArgumentsBindingSuper2_t02.named(X value, {required X val2}): m = value {}
  ArgumentsBindingSuper2_t02.short(this.m);

  void superTest(X val) {}
  void superTestNamed(X val, {required X val2}) {}
  X get superGetter => m;
  void set superSetter(X val) {}
}

class ArgumentsBinding2_t02<X> extends ArgumentsBindingSuper2_t02<X> {
  ArgumentsBinding2_t02(X t1) : super(t1) {}
  ArgumentsBinding2_t02.c2(dynamic t1, dynamic t2) : super.named(t1, val2: t2) {}
  ArgumentsBinding2_t02.c5(dynamic t1) : super.short(t1) {}

  test(X t1, X t2) {
    superTest(t1);
    superTestNamed(t2, val2: t1);
    superSetter = t1;
    m = t1;
    superGetter;
  }
}

main() {
  ArgumentsBinding1_t02 c1 = new ArgumentsBinding1_t02(t0Instance);
  c1 = new ArgumentsBinding1_t02.c1(t0Instance);
  c1 = new ArgumentsBinding1_t02.c2(t1Instance, t0Instance);
  c1 = new ArgumentsBinding1_t02.c3(t0Instance);
  c1 = new ArgumentsBinding1_t02.c4(t1Instance, t0Instance);
  c1 = new ArgumentsBinding1_t02.c5(t0Instance);

  c1.test(t0Instance, t1Instance);
  c1.superTest(t0Instance);
  c1.superTestPositioned(t0Instance);
  c1.superTestPositioned(t1Instance, t0Instance);
  c1.superTestNamed(t0Instance);
  c1.superTestNamed(t1Instance, val2: t0Instance);
  c1.superSetter = t0Instance;
  c1.superGetter;

  // Test type parameters

}