tests/language_2/string/substring_test.dart

// Copyright (c) 2011, 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.
// Dart version of two-argument Ackermann-Peter function.

// @dart = 2.9

import "package:expect/expect.dart";

main() {
  try {
    print("abcdef".substring(1.5, 3.5));
    //                       ^^^
    // [analyzer] COMPILE_TIME_ERROR.ARGUMENT_TYPE_NOT_ASSIGNABLE
    // [cfe] The argument type 'double' can't be assigned to the parameter type 'int'.
    //                            ^^^
    // [analyzer] COMPILE_TIME_ERROR.ARGUMENT_TYPE_NOT_ASSIGNABLE
    // [cfe] The argument type 'double' can't be assigned to the parameter type 'int'.
    Expect.fail("Should have thrown an exception");
  } on TypeError catch (e) {
    // OK.
  } on ArgumentError catch (e) {
    // OK.
  }
}