/*
 * Copyright (c) 2019, 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.
 */
/**
 * @author iarkh@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable
// Requirements=nnbd-strong

library override_opted_in_lib;

import "dart:async";
import "../../Utils/expect.dart";

class OPTED_NULLABLE_ARGS {
  void test_int(int? i)           { Expect.fail("This method should be overriden"); }
  void test_object(Object? o)     { Expect.fail("This method should be overriden"); }
  void test_dynamic(dynamic i)    { Expect.fail("This method should be overriden"); }
  void test_function(Function? f) { Expect.fail("This method should be overriden"); }
  void test_null(Null n)          { Expect.fail("This method should be overriden"); }
  void test_futureOr(FutureOr i)  { Expect.fail("This method should be overriden"); }
}

class OPTED_NONNULLABLE_ARGS {
  void test_int(int i)                { Expect.fail("This method should be overriden"); }
  void test_object(Object o)          { Expect.fail("This method should be overriden"); }
  void test_function(Function f)      { Expect.fail("This method should be overriden"); }
  void test_futureOr(FutureOr<int> i) { Expect.fail("This method should be overriden"); }
}

class OPTED_NEVER_ARGS {
  void test_never(Never n) { Expect.fail("This method should be overriden"); }
}

class OPTED_REQUIRED_ARGS {
  void test_required_nonnullable({required int i}) { Expect.fail("This method should be overriden"); }
  void test_required_nullable({required int? i})   { Expect.fail("This method should be overriden"); }
}

class OPTED_NULLABLE_FIELD {
  int? i;
  Object? o;
  dynamic d;
  Function? f;
  Null n;
  FutureOr fo;
  void v;
}

void testme() {}

class OPTED_NONNULLABLE_FIELD {
  int i = 0;
  Object o = 0;
  Function f = testme;
  FutureOr<int> fi = 0;
}

class OPTED_NEVER_FIELD {
  Never n = throw "Cannot reach here";
}

class OPTED_NULLABLE_GETTER {
  int? get getInt           => throw("This method should be overriden");
  Object? get getObject     => throw("This method should be overriden");
  dynamic get getDynamic    => throw("This method should be overriden");
  Function? get getFunction => throw("This method should be overriden");
  Null get getNull          => throw("This method should be overriden");
  FutureOr get getFutureOr  => throw("This method should be overriden");
}

class OPTED_NONNULLABLE_GETTER {
  int get getInt                   => throw("This method should be overriden");
  Object get getObject             => throw("This method should be overriden");
  Function get getFunction         => throw("This method should be overriden");
  FutureOr<int> get getFutureOrInt => throw("This method should be overriden");
}

class OPTED_NEVER_GETTER {
  Never get getNever => throw("This method should be overriden");
}

class OPTED_NULLABLE_SETTER {
  void set setInt(int? i)           { Expect.fail("This method should be overriden"); }
  void set setObject(Object? o)     { Expect.fail("This method should be overriden"); }
  void set setDynamic(dynamic d)    { Expect.fail("This method should be overriden"); }
  void set setFunction(Function? f) { Expect.fail("This method should be overriden"); }
  void set setNull(Null n)          { Expect.fail("This method should be overriden"); }
  void set setFutureOr(FutureOr f)  { Expect.fail("This method should be overriden"); }
}

class OPTED_NONNULLABLE_SETTER {
  void set setInt(int i)                   { Expect.fail("This method should be overriden"); }
  void set setObject(Object o)             { Expect.fail("This method should be overriden"); }
  void set setFunction(Function f)         { Expect.fail("This method should be overriden"); }
  void set setFutureOrInt(FutureOr<int> i) { Expect.fail("This method should be overriden"); }
}

class OPTED_NEVER_SETTER {
  void set setNever(Never n) { Expect.fail("This method should be overriden"); }
}

class OPTED_NULLABLE_RETURN {
  int? getInt()           => throw("This method should be overriden");
  Object? getObject()     => throw("This method should be overriden");
  dynamic getDynamic()    => throw("This method should be overriden");
  Function? getFunction() => throw("This method should be overriden");
  Null getNull()          => throw("This method should be overriden");
  FutureOr getFutureOr()  => throw("This method should be overriden");
}

class OPTED_NONNULLABLE_RETURN {
  int getInt()                   => throw("This method should be overriden");
  Object getObject()             => throw("This method should be overriden");
  Function getFunction()         => throw("This method should be overriden");
  FutureOr<int> getFutureOrInt() => throw("This method should be overriden");
}

class OPTED_NEVER_RETURN {
  Never getNever() => throw("This method should be overriden");
}

class OPTED_NONNULLABLE_INT<T extends int>           {}
class OPTED_NONNULLABLE_OBJECT<T extends Object>     {}
class OPTED_NONNULLABLE_FUNCTION<T extends Function> {}

class OPTED_NULLABLE<T>                            {}
class OPTED_DYNAMIC<T>                             {}
class OPTED_NULLABLE_INT<T extends int?>           {}
class OPTED_NULLABLE_OBJECT<T extends Object?>     {}
class OPTED_NULLABLE_FUNCTION<T extends Function?> {}
class OPTED_NULL<T extends Null>                   {}

class OPTED_NEVER<T extends Never> {}