1 files changed, 41 insertions, 0 deletions
diff --git a/lib/ccan/typesafe_cb/test/compile_ok-typesafe_cb_cast.c b/lib/ccan/typesafe_cb/test/compile_ok-typesafe_cb_cast.c
new file mode 100644
index 00000000000..b7f21dc0946
--- /dev/null
+++ b/lib/ccan/typesafe_cb/test/compile_ok-typesafe_cb_cast.c
@@ -0,0 +1,41 @@
+#include <ccan/typesafe_cb/typesafe_cb.h>
+#include <stdlib.h>
+
+struct foo {
+	int x;
+};
+
+struct bar {
+	int x;
+};
+
+struct baz {
+	int x;
+};
+
+struct any {
+	int x;
+};
+
+static void take_any(struct any *any)
+{
+}
+
+int main(int argc, char *argv[])
+{
+	/* Otherwise we get unused warnings for these. */
+	struct foo *foo = NULL;
+	struct bar *bar = NULL;
+	struct baz *baz = NULL;
+
+	take_any(typesafe_cb_cast3(struct any *,
+				   struct foo *, struct bar *, struct baz *,
+				   foo));
+	take_any(typesafe_cb_cast3(struct any *,
+				   struct foo *, struct bar *, struct baz *,
+				   bar));
+	take_any(typesafe_cb_cast3(struct any *,
+				   struct foo *, struct bar *, struct baz *,
+				   baz));
+	return 0;
+}