Tidy up ringbuf and make tests

test/test_ringbuf.c

@@ -0,0 +1,48 @@
+#include <check.h>
+#include <unistd.h>
+#include "ucore/ringbuf.h"
+
+START_TEST (test_ringbuf)
+{
+
+    UCRingBuf rb;
+    int rc;
+    int pgsize = getpagesize();
+    rc = uc_ringbuf_init(&rb, pgsize);
+    ck_assert_int_eq(rc, 0);
+    ck_assert_int_eq(uc_ringbuf_available(&rb), pgsize);
+
+
+    for (int i = 0 ; i < pgsize; i++) {
+        unsigned char data = i % 256;
+        rc = uc_ringbuf_write(&rb, &data, 1);
+        ck_assert_int_eq(rc, 0);
+
+    }
+    ck_assert_int_eq(uc_ringbuf_available(&rb), 0);
+
+
+    for (int i = 0; i < pgsize; i++) {
+        unsigned char data = 0;
+        rc = uc_ringbuf_read(&rb, &data, 1);
+        ck_assert_int_eq(rc, 0);
+        ck_assert_int_eq(data, i % 256);
+    }
+    ck_assert_int_eq(uc_ringbuf_available(&rb), pgsize);
+
+}
+
+Suite *ringbuf_suite(void)
+{
+    Suite *s = suite_create("ringbuf");
+    TCase *tc1 = tcase_create("ringbuf");
+
+    tcase_add_test(tc1, test_ringbuf);
+#ifndef __APPLE__
+#endif
+
+    suite_add_tcase(s, tc1);
+
+    return s;
+}
+

test/test_runner.c

@@ -34,6 +34,7 @@ extern Suite *ticket_lock_suite(void);
 extern Suite *restart_counter_suite(void);
 extern Suite *iomux_suite(void);
 extern Suite *iomux_signal_suite(void);
+extern Suite *ringbuf_suite(void);
 
 static suite_func suites[] = {
     bitvec_suite,
@@ -62,7 +63,8 @@ static suite_func suites[] = {
     ticket_lock_suite,
     restart_counter_suite,
     iomux_suite,
-    iomux_signal_suite
+    iomux_signal_suite,
+    ringbuf_suite
 
 };
 
@@ -105,7 +107,7 @@ main (int argc, char *argv[])
     size_t i;
 
     SRunner *sr = srunner_create (NULL);
-    if (xml_output) 
+    if (xml_output)
         srunner_set_xml(sr, "result.xml");
 
     //set the environment variable CK_FORK=no which means don't fork().
@@ -131,10 +133,10 @@ main (int argc, char *argv[])
     number_run = srunner_ntests_run(sr);
     number_failed = srunner_ntests_failed (sr);
     srunner_free (sr);
-    
+
     if (!number_run)
         puts("ERROR: no tests were run");
-    if (number_failed) 
+    if (number_failed)
         printf("ERROR: %d tests failed\n", number_failed);
 
     return (number_failed != 0) ;