LibTest/core/CyclicInitializationError/CyclicInitializationError.class_A01_t01.dart

/*
 * Copyright (c) 2016, 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 Error thrown when a lazily initialized variable cannot be
 * initialized.
 * A static/library variable with an initializer expression is initialized the
 * first time it is read. If evaluating the initializer expression causes
 * another read of the variable, this error is thrown.
 * @description Checks that if evaluating the initializer expression causes
 * another read of the variable, then CyclicInitializationError is thrown.
 * Test static variable
 * @author sgrekhov@unipro.ru
 */
import "../../../Utils/expect.dart";

class C {
  static var x = f();
  static f() => x + 1;
}

main() {
  try {
    C.x;
    Expect.fail("CyclicInitializationError error should be thrown");
  } on CyclicInitializationError catch (e) {
    Expect.equals("x", e.variableName);
  }
}