content: /*
   * Copyright 2016 HuntBugs contributors
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *     http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package one.util.huntbugs.testdata;
  
  import one.util.huntbugs.registry.anno.AssertNoWarning;
  import one.util.huntbugs.registry.anno.AssertWarning;
  
  /**
   * @author Tagir Valeev
   *
   */
  public class TestSpinLoop {
      boolean flag;
  
      volatile boolean vflag;
  
      @AssertWarning("SpinLoopOnField")
      void waitForTrue() {
          while (flag)
              ;
      }
  
      @AssertNoWarning("SpinLoopOnField")
      void waitForVolatileTrue() {
          while (vflag)
              ;
      }
  
      TestSpinLoop foo;
  
      TestSpinLoop bar;
  
      @AssertWarning("SpinLoopOnField")
      void waitForNonNull() {
          while (foo == null)
              ;
      }
  
      @AssertWarning("SpinLoopOnField")
      static void waitForNonNullIndirect(int x, TestSpinLoop baz) {
          while (baz.foo == null)
              ;
      }
  
      @AssertWarning("SpinLoopOnField")
      static void waitForNonNullIndirect2(int x, TestSpinLoop baz) {
          while (baz.foo.bar == null)
              ;
      }
  
      static boolean sflag;
  
      @AssertWarning("SpinLoopOnField")
      static void waitForStatic() {
          while (!sflag)
              ;
      }
  }
  