Verify errno handling works; use table driven approach.

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/errors.c b/tests/errors.c
new file mode 100644
index 00000000..f5e857e2
--- /dev/null
+++ b/tests/errors.c
@@ -0,0 +1,33 @@
+//
+// Copyright 2016 Garrett D'Amore <garrett@damore.org>
+//
+// This software is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+#include "convey.h"
+#include "nng.c"
+#include <errno.h>
+#include <string.h>
+
+TestMain("Error messages work", {
+
+	Convey("Known errors work", {
+		So(strcmp(nng_strerror(NNG_ECLOSED), "Object closed") == 0);
+		So(strcmp(nng_strerror(NNG_ETIMEDOUT), "Timed out") == 0);
+	});
+	Convey("We always get a valid error", {
+		for (unsigned i = 1; i < 0x1000000; i = i * 2 + 100) {
+			So(nng_strerror(i) != NULL);
+		}
+	});
+	Convey("System errors work", {
+		So(strcmp(nng_strerror(NNG_ESYSERR + ENOENT),
+		       strerror(ENOENT)) == 0);
+		So(strcmp(nng_strerror(NNG_ESYSERR + EINVAL),
+		       strerror(EINVAL)) == 0);
+
+	});
+})