RomClientWeakRemoteObjects.java 文件源码

@Test
public void testWeakRefsMap() throws Exception {

  ConcurrentMap<String, Object> objects = new MapMaker().weakValues().makeMap();

  objects.put("xxx", new Object());

  if (null == objects.get("xxx")) {
    Assert.fail("Reference should NOT be null");
  }

  try {
    @SuppressWarnings("unused")
    Object[] ignored = new Object[(int) Runtime.getRuntime().maxMemory()];
  } catch (Throwable e) {
    // Ignore OME
  }

  if (null != objects.get("xxx")) {
    Assert.fail("Reference should be null");
  }
}