// Copyright (c) 2020, 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 We say that a type T0 is a subtype of a type T1 (written T0 <: T1)
 * when:
 * Left Null: if T0 is Null then:
 * - if T1 is a type variable (promoted or not) the query is false
 * - If T1 is FutureOr<S> for some S, then the query is true iff Null <: S.
 * - If T1 is Null, S? or S* for some S, then the query is true.
 * - Otherwise, the query is false
 * @description Check that if type T0 is Null and If T1 is Null? then T0 is
 * subtype of T1
 * @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 mixin members
 * @author sgrekhov@unipro.ru
 */
/*
 * This test is generated from left_null_A04.dart and 
 * arguments_binding_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.
 */


Null t0Instance = null;
Null? t1Instance = null;

const t1Default = null;


class ArgumentsBindingMixin1_t03 {
  Null? m = t1Default;

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

class ArgumentsBinding1_t03 extends Object with ArgumentsBindingMixin1_t03 {

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

class ArgumentsBindingMixin2_t03<X> {
  void superTest(X val) {}
  void superTestNamed(X val, {required X val2}) {}
  void set superSetter(X val) {}
}

class ArgumentsBinding2_t03<X> extends Object with ArgumentsBindingMixin2_t03<X> {

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

main() {
  ArgumentsBinding1_t03 c1 = new ArgumentsBinding1_t03();

  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

  //# <-- NotGenericFunctionType
  ArgumentsBinding2_t03<Null?> c2 = new ArgumentsBinding2_t03<Null?>();
  c2.test(t0Instance, t1Instance);
  c2.superTest(t0Instance);
  c2.superTestNamed(t1Instance, val2: t0Instance);
  c2.superSetter = t0Instance;
  //# -->
}