// 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.

/// @description Check that if type T0 is a subtype of a type T1, then instance
/// of T0 can be used as an argument of type T1
/// @author sgrekhov@unipro.ru

namedArgumentsFunc1(@T1 t1, {@T1 t2 = t1Default}) {}
positionalArgumentsFunc1(@T1 t1, [@T1 t2 = t1Default]) {}

namedArgumentsFunc2<X>(X t1, {required X t2}) {}

class ArgumentsBindingClass {
  ArgumentsBindingClass(@T1 t1) {}

  ArgumentsBindingClass.named(@T1 t1, {@T1 t2 = t1Default}) {}
  ArgumentsBindingClass.positional(@T1 t1, [@T1 t2 = t1Default]) {}

  factory ArgumentsBindingClass.fNamed(@T1 t1, {@T1 t2  = t1Default}) {
    return new ArgumentsBindingClass.named(t1, t2: t2);
  }
  factory ArgumentsBindingClass.fPositional(@T1 t1, [@T1 t2 = t1Default]) {
    return new ArgumentsBindingClass.positional(t1, t2);
  }

  static namedArgumentsStaticMethod(@T1 t1, {@T1 t2 = t1Default}) {}
  static positionalArgumentsStaticMethod(@T1 t1, [@T1 t2 = t1Default]) {}

  namedArgumentsMethod(@T1 t1, {@T1 t2 = t1Default}) {}
  positionalArgumentsMethod(@T1 t1, [@T1 t2 = t1Default]) {}

  set testSetter(@T1 val) {}
}

class ArgumentsBindingGen<X>  {
  ArgumentsBindingGen(X t1) {}

  ArgumentsBindingGen.named(X t1, {required X t2}) {}

  factory ArgumentsBindingGen.fNamed(X t1, {required X t2}) {
    return new ArgumentsBindingGen.named(t1, t2: t2);
  }

  namedArgumentsMethod(X t1, {required X t2}) {}

  set testSetter(X val) {}
}

main() {
  // test functions
  namedArgumentsFunc1(forgetType(t0Instance), t2: forgetType(t0Instance));
  positionalArgumentsFunc1(forgetType(t0Instance), forgetType(t0Instance));

  // test class constructors
  ArgumentsBindingClass instance1 =
      new ArgumentsBindingClass(forgetType(t0Instance));
  instance1 = new ArgumentsBindingClass.fNamed(forgetType(t0Instance),
      t2: forgetType(t0Instance));
  instance1 = new ArgumentsBindingClass.named(forgetType(t0Instance),
      t2: forgetType(t0Instance));
  instance1 = new ArgumentsBindingClass.positional(forgetType(t0Instance),
      forgetType(t0Instance));

  // tests methods and setters
  instance1.namedArgumentsMethod(forgetType(t0Instance),
      t2: forgetType(t0Instance));
  instance1.positionalArgumentsMethod(forgetType(t0Instance),
      forgetType(t0Instance));
  instance1.testSetter = forgetType(t0Instance);

  // test static methods
  ArgumentsBindingClass.namedArgumentsStaticMethod(forgetType(t0Instance),
      t2: forgetType(t0Instance));
  ArgumentsBindingClass.positionalArgumentsStaticMethod(
      forgetType(t0Instance), forgetType(t0Instance));

  // Test type parameters

  //# <-- NotGenericFunctionType
  // test generic functions
  namedArgumentsFunc2<@T1>(forgetType(t0Instance), t2: forgetType(t0Instance));

  // test generic class constructors
  ArgumentsBindingGen<@T1> instance2 =
      new ArgumentsBindingGen<@T1>(forgetType(t0Instance));
  instance2 = new ArgumentsBindingGen<@T1>.fNamed(forgetType(t0Instance),
      t2: forgetType(t0Instance));
  instance2 = new ArgumentsBindingGen<@T1>.named(forgetType(t0Instance),
      t2: forgetType(t0Instance));

  // test generic class methods and setters
  instance2.namedArgumentsMethod(forgetType(t0Instance),
      t2: forgetType(t0Instance));
  instance2.testSetter = forgetType(t0Instance);
  //# -->
}