Add stricter test for warnings in public headers

2 files changed, 35 insertions, 0 deletions

diff --git a/test/headers/.clang-tidy b/test/headers/.clang-tidy
new file mode 100644
index 0000000..7c6ab44
--- /dev/null
+++ b/test/headers/.clang-tidy
@@ -0,0 +1,11 @@
+# Copyright 2022 David Robillard <d@drobilla.net>
+# SPDX-License-Identifier: CC0-1.0 OR ISC
+
+Checks: >
+  *,
+  -altera-*,
+  -llvmlibc-*,
+  -readability-identifier-length,
+WarningsAsErrors: '*'
+HeaderFilterRegex: '.*'
+FormatStyle: file
diff --git a/test/headers/test_headers.c b/test/headers/test_headers.c
new file mode 100644
index 0000000..43c5482
--- /dev/null
+++ b/test/headers/test_headers.c
@@ -0,0 +1,24 @@
+// Copyright 2022 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#include "zix/allocator.h"      // IWYU pragma: keep
+#include "zix/attributes.h"     // IWYU pragma: keep
+#include "zix/bitset.h"         // IWYU pragma: keep
+#include "zix/btree.h"          // IWYU pragma: keep
+#include "zix/bump_allocator.h" // IWYU pragma: keep
+#include "zix/common.h"         // IWYU pragma: keep
+#include "zix/digest.h"         // IWYU pragma: keep
+#include "zix/hash.h"           // IWYU pragma: keep
+#include "zix/ring.h"           // IWYU pragma: keep
+#include "zix/sem.h"            // IWYU pragma: keep
+#include "zix/thread.h"         // IWYU pragma: keep
+#include "zix/tree.h"           // IWYU pragma: keep
+
+#if defined(__GNUC__)
+__attribute__((const))
+#endif
+int
+main(void)
+{
+  return 0;
+}