initial test for errno

1 files changed, 34 insertions, 0 deletions

diff --git a/errno.c b/errno.c
new file mode 100644
index 0000000..63e003c
--- /dev/null
+++ b/errno.c
@@ -0,0 +1,34 @@
+#include <errno.h>
+#include "test.h"
+
+#ifndef EDOM
+#error EDOM not defined
+#endif
+
+#ifndef ERANGE
+#error ERANGE not defined
+#endif
+
+#if __STDC_VERSION__ >= 199409
+#ifndef EILSEQ
+#error EILSEQ not defined
+#endif
+#endif
+
+void test_errno(void)
+{
+	struct lconv *lc;
+	int errno_values[] = {
+		EDOM,
+		ERANGE,
+		#ifdef EILSEQ
+		EILSEQ,
+		#endif
+	};
+
+	testing_header("errno.h");
+
+	test_distinct(errno_values);
+
+	testing_end();
+}