1 files changed, 13 insertions, 0 deletions
diff --git a/tests/cocoa/display.m b/tests/cocoa/display.m
new file mode 100644
index 0000000..0b2d9d8
--- /dev/null
+++ b/tests/cocoa/display.m
@@ -0,0 +1,13 @@
+#import <AppKit/AppKit.h>
+#include "common/private_native.h"
+
+@interface NSView (YaslTestDisplayLink)
+- (void)displayLinkFired:(id)link;
+@end
+
+/* Exercise the native CPU presenter without depending on the host's cadence. */
+void yasl_test_frame_tick(struct yasl_surface *surface)
+{
+    NSWindow *window = (NSWindow *)yasl_private_surface_get_native_handle(surface);
+    [window.contentView displayLinkFired:nil];
+}