LanguageFeatures/Control-flow-collections/static_semantics_A01_t02.dart

/*
 * 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 Let the element type of a list literal be the static type of the
 * type argument used to create the list. So <int>[] has an element type of int.
 * It may be explicit or filled in by type inference. So [1, 2.0] has an element
 * type of num.
 *
 * @description Checks that element type of the list literals is the static type
 * of the type argument used to create the list
 * @author sgrekhov@unipro.ru
 */

main() {
  bool b = true;
  var collection = <double>[3, 1.0, 4, 1, 5];

  List<int> list1 = [if (b) 1.0];
  //                        ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  List<int> list2 = [if (!b) 1.0,];
  //                         ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  List<int> list3 = [if (b) for (var v in collection) if (v > 3) v,];
  //                                                             ^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  List<int> list4 = [if (!b) for (var v in collection) if (v > 3) v];
  //                                                              ^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.

  List lis5t = <int>[if (b) 1.0];
  //                        ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  List list6 = <int>[if (!b) 1.0,];
  //                         ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  List list7 = <int>[if (b) for (var v in collection) if (v > 3) v,];
  //                                                             ^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  List list8 = <int>[if (!b) for (var v in collection) if (v > 3) v];
  //                                                              ^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.

  const list9 = <int>[if (1 > 2) 1.0];
  //                             ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  const list10 = <int>[if (2 > 1) 1.0,];
  //                              ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.

  var list11 = const <int>[if (1 > 2) 1.0];
  //                                  ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
  var list12 = const <int>[if (2 > 1) 1.0,];
  //                                  ^^^
  // [analyzer] COMPILE_TIME_ERROR.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
  // [cfe] A value of type 'double' can't be assigned to a variable of type 'int'.
}