1 files changed, 53 insertions, 0 deletions
diff --git a/tests/cocoa/test_cursor.m b/tests/cocoa/test_cursor.m
new file mode 100644
index 0000000..0f3ba06
--- /dev/null
+++ b/tests/cocoa/test_cursor.m
@@ -0,0 +1,53 @@
+#import <AppKit/AppKit.h>
+#include <yasl/native.h>
+#include <assert.h>
+
+static void assert_transparent(NSCursor *cursor)
+{
+    assert(cursor);
+    NSBitmapImageRep *bitmap = [NSBitmapImageRep imageRepWithData:cursor.image.TIFFRepresentation];
+    assert(bitmap && bitmap.hasAlpha);
+    for (NSInteger y = 0; y < bitmap.pixelsHigh; y++)
+        for (NSInteger x = 0; x < bitmap.pixelsWide; x++)
+            assert([bitmap colorAtX:x y:y].alphaComponent == 0);
+}
+
+int main(void)
+{
+    @autoreleasepool {
+        struct yasl_display *display = yasl_display_open(NULL, NULL);
+        assert(display);
+        struct yasl_surface_spec spec = {.title = "Cursor test", .size = {320, 240}};
+        struct yasl_surface *surface = yasl_surface_create_toplevel(display, &spec);
+        assert(surface);
+        NSWindow *window = (NSWindow *)yasl_surface_get_native_handle(surface);
+        NSView *view = window.contentView;
+        yasl_surface_set_cursor(surface, YASL_CURSOR_HIDDEN);
+        [view cursorUpdate:nil];
+        NSCursor *hidden = [NSCursor currentCursor];
+        assert_transparent(hidden);
+
+        NSEvent *motion = [NSEvent mouseEventWithType:NSEventTypeMouseMoved
+            location:NSMakePoint(100, 120) modifierFlags:0 timestamp:0
+            windowNumber:window.windowNumber context:nil eventNumber:0 clickCount:0 pressure:0];
+        [view mouseMoved:motion];
+        [view cursorUpdate:nil];
+        assert([NSCursor currentCursor] == hidden);
+        struct yasl_input_event event;
+        bool moved = false;
+        while (yasl_surface_input_poll(surface, &event))
+            if (event.kind == YASL_INPUT_MOUSE && event.mouse.kind == YASL_PTR_MOTION)
+                moved = true;
+        assert(moved);
+
+        [[NSCursor arrowCursor] set]; /* Simulate leaving and re-entering. */
+        [view cursorUpdate:nil];
+        assert([NSCursor currentCursor] == hidden);
+        yasl_surface_set_cursor(surface, YASL_CURSOR_ARROW);
+        [view cursorUpdate:nil];
+        assert([NSCursor currentCursor] == [NSCursor arrowCursor]);
+        yasl_surface_destroy(surface);
+        yasl_display_close(display);
+    }
+    return 0;
+}