| 326 | } |
| 327 | |
| 328 | public void testJavaRefKeep() { |
| 329 | finalizedAnI = false; |
| 330 | AnI obj = new AnI_Traced(); |
| 331 | Testpkg.callF(obj); |
| 332 | assertTrue("want F to be called", obj.calledF); |
| 333 | Testpkg.callF(obj); |
| 334 | obj = null; |
| 335 | int attempts = 0; |
| 336 | while (true) { |
| 337 | runGC(); |
| 338 | if (finalizedAnI) |
| 339 | break; |
| 340 | attempts++; |
| 341 | try { |
| 342 | Thread.sleep(100); |
| 343 | } catch (InterruptedException e) { |
| 344 | throw new RuntimeException(e); |
| 345 | } |
| 346 | if (attempts >= 10) |
| 347 | fail("want obj not to be kept by Go; tried " + attempts + " garbage collections."); |
| 348 | } |
| 349 | |
| 350 | finalizedAnI = false; |
| 351 | obj = new AnI_Traced(); |
| 352 | Testpkg.keep(obj); |
| 353 | obj = null; |
| 354 | runGC(); |
| 355 | assertFalse("want obj to be kept live by Go", finalizedAnI); |
| 356 | } |
| 357 | |
| 358 | private int countI = 0; |
| 359 | |