Add a testsuite for libsigrok.

[libsigrok.git] / tests / lib.c

diff --git a/tests/lib.c b/tests/lib.c
new file mode 100644 (file)
index 0000000..44777bb
--- /dev/null
+++ b/tests/lib.c
@@ -0,0 +1,116 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <check.h>
+#include "../libsigrok.h"
+
+/* Get a libsigrok driver by name. */
+struct sr_dev_driver *srtest_driver_get(const char *drivername)
+{
+       struct sr_dev_driver **drivers, *driver = NULL;
+       int i;
+
+       drivers = sr_driver_list();
+       fail_unless(drivers != NULL, "No drivers found.");
+
+       for (i = 0; drivers[i]; i++) {
+               if (strcmp(drivers[i]->name, drivername))
+                       continue;
+               driver = drivers[i];
+       }
+       fail_unless(driver != NULL, "Driver '%s' not found.", drivername);
+
+       return driver;
+}
+
+/* Initialize a libsigrok driver. */
+void srtest_driver_init(struct sr_context *sr_ctx, struct sr_dev_driver *driver)
+{
+       int ret;
+
+       ret = sr_driver_init(sr_ctx, driver);
+       fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.",
+                   driver->name, ret);
+}
+
+/* Initialize all libsigrok drivers. */
+void srtest_driver_init_all(struct sr_context *sr_ctx)
+{
+       struct sr_dev_driver **drivers, *driver;
+       int i, ret;
+
+       drivers = sr_driver_list();
+       fail_unless(drivers != NULL, "No drivers found.");
+
+       for (i = 0; drivers[i]; i++) {
+               driver = drivers[i];
+               ret = sr_driver_init(sr_ctx, driver);
+               fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.",
+                           driver->name, ret);
+       }
+}
+
+/* Set the samplerate for the respective driver to the specified value. */
+void srtest_set_samplerate(struct sr_dev_driver *driver, uint64_t samplerate)
+{
+       int ret;
+       struct sr_dev_inst *sdi;
+
+       sdi = g_slist_nth_data(driver->priv, 0);
+
+       ret = driver->config_set(SR_CONF_SAMPLERATE, &samplerate, sdi);
+       fail_unless(ret == SR_OK, "%s: Failed to set SR_CONF_SAMPLERATE: %d.",
+                   driver->name, ret);
+}
+
+/* Get the respective driver's current samplerate. */
+uint64_t srtest_get_samplerate(struct sr_dev_driver *driver)
+{
+       int ret;
+       uint64_t *samplerate;
+       struct sr_dev_inst *sdi;
+
+       sdi = g_slist_nth_data(driver->priv, 0);
+
+       ret = driver->config_get(SR_CONF_SAMPLERATE,
+                                (const void **)&samplerate, sdi);
+       fail_unless(ret == SR_OK, "%s: Failed to get SR_CONF_SAMPLERATE: %d.",
+                   driver->name, ret);
+       fail_unless(samplerate != NULL);
+
+       return *samplerate;
+}
+
+/* Check whether the respective driver can set/get the correct samplerate. */
+void srtest_check_samplerate(struct sr_context *sr_ctx, const char *drivername,
+                            uint64_t samplerate)
+{
+       struct sr_dev_driver *driver;
+       uint64_t s;
+
+       driver = srtest_driver_get(drivername);
+       srtest_driver_init(sr_ctx, driver);;
+       srtest_set_samplerate(driver, samplerate);
+       s = srtest_get_samplerate(driver);
+       fail_unless(s == samplerate, "%s: Incorrect samplerate: %" PRIu64 ".",
+                   drivername, s);
+}