1 files changed, 78 insertions, 0 deletions
diff --git a/src/systemcmds/tests/test_param.c b/src/systemcmds/tests/test_param.c
new file mode 100644
index 000000000..318d2505b
--- /dev/null
+++ b/src/systemcmds/tests/test_param.c
@@ -0,0 +1,78 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file test_param.c
+ *
+ * Tests related to the parameter system.
+ */
+
+#include <stdio.h>
+#include "systemlib/err.h"
+
+#include "systemlib/param/param.h"
+#include "tests.h"
+
+PARAM_DEFINE_INT32(test, 0x12345678);
+
+int
+test_param(int argc, char *argv[])
+{
+	param_t		p;
+
+	p = param_find("test");
+	if (p == PARAM_INVALID)
+		errx(1, "test parameter not found");
+
+	param_type_t t = param_type(p);
+	if (t != PARAM_TYPE_INT32)
+		errx(1, "test parameter type mismatch (got %u)", (unsigned)t);
+
+	int32_t	val;
+	if (param_get(p, &val) != 0)
+		errx(1, "failed to read test parameter");
+	if (val != 0x12345678)
+		errx(1, "parameter value mismatch");
+
+	val = 0xa5a5a5a5;
+	if (param_set(p, &val) != 0)
+		errx(1, "failed to write test parameter");
+	if (param_get(p, &val) != 0)
+		errx(1, "failed to re-read test parameter");
+	if ((uint32_t)val != 0xa5a5a5a5)
+		errx(1, "parameter value mismatch after write");
+
+	warnx("parameter test PASS");
+
+	return 0;
+}