// Copyright (c) 2021, 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.

// Tests erroneous do-while statements for const functions.

// SharedOptions=--enable-experiment=const-functions

import "package:expect/expect.dart";

const var1 = fn();
//           ^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
int fn() {
  int x = 0;
  do {
    x++;
  } while (x);
  //       ^
  // [analyzer] COMPILE_TIME_ERROR.NON_BOOL_CONDITION
  // [cfe] A value of type 'int' can't be assigned to a variable of type 'bool'.
  return 2;
}

const var2 = fn2();
//           ^^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
// [cfe] Constant evaluation error:
int fn2() {
  int x = 0;
  do {
    x++;
  } while (x as dynamic);
  return 2;
}

const var3 = fn3();
//           ^^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE
// [cfe] Constant evaluation error:
int fn3() {
  dynamic x = 0;
  do {
    x++;
  } while (x);
  return 2;
}
