64 // and delete objects on a background thread.
388   BackgroundThread background;  in TEST()  local
389   background.Start();  in TEST()
399   // Background thread creates WeakPtr(and implicitly owns the object).  in TEST()
400   background.CreateArrowFromTarget(&arrow, target);  in TEST()
401   EXPECT_EQ(background.DeRef(arrow), target);  in TEST()
409     // The new WeakPtr is owned by background thread.  in TEST()
410     EXPECT_EQ(target, background.DeRef(&arrow));  in TEST()
413   // Target can only be deleted on background thread.  in TEST()
414   background.DeleteTarget(target);  in TEST()
415   background.DeleteArrow(arrow);  in TEST()
419   BackgroundThread background;  in TEST()  local
420   background.Start();  in TEST()
425     // Background thread creates WeakPtr.  in TEST()
426     background.CreateArrowFromTarget(&arrow, &target);  in TEST()
428     // Bind to background thread.  in TEST()
429     EXPECT_EQ(&target, background.DeRef(arrow));  in TEST()
447   BackgroundThread background;  in TEST()  local
448   background.Start();  in TEST()
461   // Re-bind to background thread.  in TEST()
462   EXPECT_EQ(target.get(), background.DeRef(&arrow));  in TEST()
464   // And the background thread can now delete the target.  in TEST()
465   background.DeleteTarget(target.release());  in TEST()
471   // - Background thread creates a WeakPtr copy from the one in main thread  in TEST()
472   // - Destruct the WeakPtr on background thread  in TEST()
474   BackgroundThread background;  in TEST()  local
475   background.Start();  in TEST()
482   background.CreateArrowFromArrow(&arrow_copy, &arrow);  in TEST()
484   background.DeleteArrow(arrow_copy);  in TEST()
489   // - Main thread creates a WeakPtr and passes copy to background thread  in TEST()
491   // - Destruct the pointer on background thread  in TEST()
492   BackgroundThread background;  in TEST()  local
493   background.Start();  in TEST()
500     background.CreateArrowFromArrow(&arrow_copy, &arrow);  in TEST()
503   background.DeleteArrow(arrow_copy);  in TEST()
508   // - Main thread creates WeakPtr and passes Copy to background thread  in TEST()
510   //   (invalidates WeakPtr on background thread)  in TEST()
512   BackgroundThread background;  in TEST()  local
513   background.Start();  in TEST()
519     background.CreateArrowFromArrow(&arrow_copy, &arrow);  in TEST()
522   background.DeleteArrow(arrow_copy);  in TEST()
532   // Background can copy and assign arrow (as well as the WeakPtr inside).  in TEST()
533   BackgroundThread background;  in TEST()  local
534   background.Start();  in TEST()
535   background.CopyAndAssignArrow(arrow);  in TEST()
536   background.DeleteArrow(arrow);  in TEST()
546   // Background can copy and assign arrow's WeakPtr to a base class WeakPtr.  in TEST()
547   BackgroundThread background;  in TEST()  local
548   background.Start();  in TEST()
549   background.CopyAndAssignArrowBase(arrow);  in TEST()
550   background.DeleteArrow(arrow);  in TEST()
560   // Background can delete arrow (as well as the WeakPtr inside).  in TEST()
561   BackgroundThread background;  in TEST()  local
562   background.Start();  in TEST()
563   background.DeleteArrow(arrow);  in TEST()
573   BackgroundThread background;  in TEST()  local
574   background.Start();  in TEST()
582   // Background copies the WeakPtr.  in TEST()
584   background.CreateArrowFromArrow(&arrow_copy, &arrow);  in TEST()
589   // Although background thread created the copy, it can not deref the copied  in TEST()
591   ASSERT_DEATH(background.DeRef(arrow_copy), "");  in TEST()
593   background.DeleteArrow(arrow_copy);  in TEST()
610   // Background thread tries to deref target, which violates thread ownership.  in TEST()
611   BackgroundThread background;  in TEST()  local
612   background.Start();  in TEST()
613   ASSERT_DEATH(background.DeRef(&arrow), "");  in TEST()
627   // Background thread tries to deref target, binding it to the thread.  in TEST()
628   BackgroundThread background;  in TEST()  local
629   background.Start();  in TEST()
630   background.DeRef(&arrow);  in TEST()
636   // must pass it to the background thread to teardown.  in TEST()
637   background.DeleteTarget(target.release());  in TEST()
653   // Background thread tries to delete target, volating thread binding.  in TEST()
654   BackgroundThread background;  in TEST()  local
655   background.Start();  in TEST()
656   ASSERT_DEATH(background.DeleteTarget(target.release()), "");  in TEST()
670   // Background thread tries to delete target, binding the object to the thread.  in TEST()
671   BackgroundThread background;  in TEST()  local
672   background.Start();  in TEST()
673   background.DeleteTarget(target.release());  in TEST()