LanguageFeatures/Subtyping/dynamic/test_cases/global_variable_fail_x01.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.
 */
/**
 * @description Check that if type T0 is not a subtype of a type T1, then
 * instance of T0 cannot be be assigned to the to global variable of type T1
 * @author sgrekhov@unipro.ru
 */

class GlobalVariableTest {
  GlobalVariableTest() {
    t1Instance = forgetType(t0Instance);
  }

  GlobalVariableTest.valid() {}

  foo() {
    t1Instance = forgetType(t0Instance);
  }

  static test() {
    t1Instance = forgetType(t0Instance);
  }
}

main() {
  bar () {
    t1Instance = forgetType(t0Instance);
  }

  Expect.throws(() {
    t1Instance = forgetType(t0Instance);
  }, (e) => e is TypeError);

  Expect.throws(() {
    bar();
  }, (e) => e is TypeError);

  Expect.throws(() {
    new GlobalVariableTest();
  }, (e) => e is TypeError);

  Expect.throws(() {
    new GlobalVariableTest.valid().foo();
  }, (e) => e is TypeError);

  Expect.throws(() {
    GlobalVariableTest.test();
  }, (e) => e is TypeError);
}