Fix the stub for layerActionForKey: to let CA continue the search (#1441

) * Fix the stub for layerActionForKey: to let CA continue the search * Kick CI
TextureGroup · Apr 4, 2019 · bf466e8 · bf466e8
1 parent d970dc3
commit bf466e8
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Source/ASDisplayNode.mm b/Source/ASDisplayNode.mm
@@ -106,7 +106,10 @@ BOOL ASDisplayNodeNeedsSpecialPropertiesHandling(BOOL isSynchronous, BOOL isLaye
 void StubImplementationWithNoArgs(id receiver, SEL _cmd) {}
 void StubImplementationWithSizeRange(id receiver, SEL _cmd, ASSizeRange sr) {}
 void StubImplementationWithTwoInterfaceStates(id receiver, SEL _cmd, ASInterfaceState s0, ASInterfaceState s1) {}
-id StubLayerActionImplementation(id receiver, SEL _cmd, NSString *key) { return (id)kCFNull; }
+
+/// Returning nil here won't trigger unwanted default actions, because we override
+/// +defaultActionForKey: to return kCFNull.
+id StubLayerActionImplementation(id receiver, SEL _cmd, NSString *key) { return nil; }
 
 /**
  *  Returns ASDisplayNodeFlags for the given class/instance. instance MAY BE NIL.