Add header warning tests

1 files changed, 22 insertions, 0 deletions

diff --git a/test/headers/test_headers.c b/test/headers/test_headers.c
new file mode 100644
index 0000000..2e109f2
--- /dev/null
+++ b/test/headers/test_headers.c
@@ -0,0 +1,22 @@
+// Copyright 2022-2025 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#include <pugl/attributes.h> // IWYU pragma: keep
+#include <pugl/cairo.h>      // IWYU pragma: keep
+#include <pugl/gl.h>         // IWYU pragma: keep
+#include <pugl/glu.h>        // IWYU pragma: keep
+#include <pugl/pugl.h>       // IWYU pragma: keep
+#include <pugl/stub.h>       // IWYU pragma: keep
+
+#ifdef PUGL_TEST_VULKAN
+#  include <pugl/vulkan.h> // IWYU pragma: keep
+#endif
+
+#ifdef __GNUC__
+__attribute__((const))
+#endif
+int
+main(void)
+{
+  return 0;
+}