X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;ds=sidebyside;f=ccan%2Fminmax%2Ftest%2Fcompile_fail-wrongsign.c;fp=ccan%2Fminmax%2Ftest%2Fcompile_fail-wrongsign.c;h=6aeaf1c75e4dd054291f6b7292d67bfb084dc99c;hb=e8fe775b03a9abde11f7ce7a9ebf8e002111e923;hp=0000000000000000000000000000000000000000;hpb=930753e727859171d37f2e51d129f2e42ecf1dfa;p=ccan

diff --git a/ccan/minmax/test/compile_fail-wrongsign.c b/ccan/minmax/test/compile_fail-wrongsign.c
new file mode 100644
index 00000000..6aeaf1c7
--- /dev/null
+++ b/ccan/minmax/test/compile_fail-wrongsign.c
@@ -0,0 +1,19 @@
+#include <ccan/minmax/minmax.h>
+
+static int function(void)
+{
+#ifdef FAIL
+	return min(1, 1U);
+#if !HAVE_TYPEOF||!HAVE_BUILTIN_CHOOSE_EXPR||!HAVE_BUILTIN_TYPES_COMPATIBLE_P
+#error "Unfortunately we don't fail if the typechecks are noops."
+#endif
+#else
+	return 0;
+#endif
+}
+
+int main(int argc, char *argv[])
+{
+	function();
+	return 0;
+}