/*
 * 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
 * @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
 * @author sgrekhov@unipro.ru
 */
/*
 * This test is generated from named_function_types_A01.dart and 
 * arguments_binding_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 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;


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

namedArgumentsFunc2<X>(X t1, {X t2}) {}
positionalArgumentsFunc2<X>(X t1, [X t2]) {}

class ArgumentsBindingClass {
  ArgumentsBindingClass(T1 t1) {}

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

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

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

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

  set testSetter(T1 val) {}
}

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

  ArgumentsBindingGen.named(X t1, {X t2}) {}
  ArgumentsBindingGen.positional(X t1, [X t2]) {}

  factory ArgumentsBindingGen.fNamed(X t1, {X t2}) {
    return new ArgumentsBindingGen.named(t1, t2: t2);
  }
  factory ArgumentsBindingGen.fPositional(X t1, [X t2]) {
    return new ArgumentsBindingGen.positional(t1, t2);
  }

  namedArgumentsMethod(X t1, {X t2}) {}
  positionalArgumentsMethod(X t1, [X t2]){}

  set testSetter(X val) {}
}

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

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

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

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

  // Test type parameters

  //# <-- NotGenericFunctionType
  // test generic functions
  namedArgumentsFunc2<T1>(t0Instance, t2: t0Instance);
  positionalArgumentsFunc2<T1>(t0Instance, t0Instance);

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

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