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authorDimitri Staessens <dimitri@ouroboros.rocks>2019-06-20 22:00:34 +0200
committerSander Vrijders <sander@ouroboros.rocks>2019-06-21 18:47:30 +0200
commitdc6be97bccd86cfbd64586a5fd9faefb673b70a6 (patch)
tree3b09335a529d099e82fd661a06dfc566b8b905a6
parent6a81bd8a4df688f397a8b218f326f4e5ce71f6cd (diff)
downloadouroboros-dc6be97bccd86cfbd64586a5fd9faefb673b70a6.tar.gz
ouroboros-dc6be97bccd86cfbd64586a5fd9faefb673b70a6.zip
lib: Add tests for the shm_rbuff
This adds some tests for the shm_rbuff after some reports that the queue length would be erroneously reported as 0 when the rbuff was full. The test passes for the reported case. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
-rw-r--r--src/lib/tests/CMakeLists.txt1
-rw-r--r--src/lib/tests/shm_rbuff_test.c105
2 files changed, 106 insertions, 0 deletions
diff --git a/src/lib/tests/CMakeLists.txt b/src/lib/tests/CMakeLists.txt
index cc51c203..c887626a 100644
--- a/src/lib/tests/CMakeLists.txt
+++ b/src/lib/tests/CMakeLists.txt
@@ -9,6 +9,7 @@ create_test_sourcelist(${PARENT_DIR}_tests test_suite.c
hashtable_test.c
md5_test.c
sha3_test.c
+ shm_rbuff_test.c
time_utils_test.c
)
diff --git a/src/lib/tests/shm_rbuff_test.c b/src/lib/tests/shm_rbuff_test.c
new file mode 100644
index 00000000..df29d48f
--- /dev/null
+++ b/src/lib/tests/shm_rbuff_test.c
@@ -0,0 +1,105 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2019
+ *
+ * Test of the shm_rbuff
+ *
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#define _POSIX_C_SOURCE 200112L
+
+#include "config.h"
+
+#include <ouroboros/shm_rbuff.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int shm_rbuff_test(int argc,
+ char ** argv)
+{
+ struct shm_rbuff * rb;
+ size_t i;
+
+ (void) argc;
+ (void) argv;
+
+ printf("Test: create rbuff...");
+
+ rb = shm_rbuff_create(getpid(), 1);
+ if (rb == NULL)
+ goto err;
+
+ printf("success.\n\n");
+ printf("Test: write a value...");
+
+ if (shm_rbuff_write(rb, 1) < 0)
+ goto error;
+
+ printf("success.\n\n");
+ printf("Test: check queue length is 1...");
+
+ if (shm_rbuff_queued(rb) != 1)
+ goto error;
+
+ printf("success.\n\n");
+ printf("Test: read a value...");
+
+ if (shm_rbuff_read(rb) != 1)
+ goto error;
+
+ printf("success.\n\n");
+ printf("Test: check queue is empty...");
+
+ if (shm_rbuff_read(rb) != -EAGAIN)
+ goto error;
+
+ printf("success.\n\n");
+ printf("Test: fill the queue...");
+
+ for (i = 0; i < SHM_RBUFF_SIZE - 1; ++i) {
+ if (shm_rbuff_queued(rb) != i)
+ goto error;
+ if (shm_rbuff_write(rb, 1) < 0)
+ goto error;
+ }
+
+ printf("success.\n\n");
+ printf("Test: check queue is full...");
+
+ if (shm_rbuff_queued(rb) != SHM_RBUFF_SIZE - 1)
+ goto error;
+
+ printf("success [%zd entries].\n\n", shm_rbuff_queued(rb));
+
+ printf("Test: check queue is full by writing value...");
+ if (!(shm_rbuff_write(rb, 1) < 0))
+ goto error;
+
+ printf("success [%zd entries].\n\n", shm_rbuff_queued(rb));
+
+ shm_rbuff_destroy(rb);
+
+ return 0;
+
+ error:
+ shm_rbuff_destroy(rb);
+ err:
+ printf("failed.\n\n");
+ return -1;
+}