chrome/browser/ui/cocoa/run_loop_testing.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_COCOA_RUN_LOOP_TESTING_H_
   6 #define CHROME_BROWSER_UI_COCOA_RUN_LOOP_TESTING_H_
   7
   8 namespace chrome {
   9 namespace testing {
  10
  11 // A common pattern in Chromium is to get a selector to execute on the next
  12 // iteration of the outermost run loop, done like so:
  13 //
  14 //    [someObj performSelector:@selector(someSel:) withObject:nil afterDelay:0];
  15 //
  16 // This is used when performing the work will negatively affect something
  17 // currently on the stack. Unfortunately this also affects the testability of
  18 // objects that do this. A call to this function will pump work like this from
  19 // the event queue and run it until all such work, as of the time of calling
  20 // this, has been processed.
  21 //
  22 // Note that this is not a NSApplication-based loop, and so things like NSEvents
  23 // are *not* pumped from the event queue.
  24 void NSRunLoopRunAllPending();
  25
  26 }  // namespace testing
  27 }  // namespace chrome
  28
  29 #endif  // CHROME_BROWSER_UI_COCOA_RUN_LOOP_TESTING_H_