hwconfig: Add some unit tests
I use this for testing, and I think this might be useful in the
future.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
diff --git a/common/hwconfig.c b/common/hwconfig.c
index 85a69da..1f9f4a0 100644
--- a/common/hwconfig.c
+++ b/common/hwconfig.c
@@ -11,12 +11,20 @@
* the License, or (at your option) any later version.
*/
+#ifndef HWCONFIG_TEST
#include <config.h>
#include <common.h>
#include <exports.h>
#include <hwconfig.h>
#include <linux/types.h>
#include <linux/string.h>
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+#endif /* HWCONFIG_TEST */
static const char *hwconfig_parse(const char *opts, size_t maxlen,
const char *opt, char *stopchs, char eqch,
@@ -209,3 +217,50 @@
return !strncmp(argstr, subarg, arglen);
}
+
+#ifdef HWCONFIG_TEST
+int main()
+{
+ const char *ret;
+ size_t len;
+
+ setenv("hwconfig", "key1:subkey1=value1,subkey2=value2;key2:value3;;;;"
+ "key3;:,:=;key4", 1);
+
+ ret = hwconfig_arg("key1", &len);
+ printf("%zd %.*s\n", len, (int)len, ret);
+ assert(len == 29);
+ assert(hwconfig_arg_cmp("key1", "subkey1=value1,subkey2=value2"));
+ assert(!strncmp(ret, "subkey1=value1,subkey2=value2", len));
+
+ ret = hwconfig_subarg("key1", "subkey1", &len);
+ printf("%zd %.*s\n", len, (int)len, ret);
+ assert(len == 6);
+ assert(hwconfig_subarg_cmp("key1", "subkey1", "value1"));
+ assert(!strncmp(ret, "value1", len));
+
+ ret = hwconfig_subarg("key1", "subkey2", &len);
+ printf("%zd %.*s\n", len, (int)len, ret);
+ assert(len == 6);
+ assert(hwconfig_subarg_cmp("key1", "subkey2", "value2"));
+ assert(!strncmp(ret, "value2", len));
+
+ ret = hwconfig_arg("key2", &len);
+ printf("%zd %.*s\n", len, (int)len, ret);
+ assert(len == 6);
+ assert(hwconfig_arg_cmp("key2", "value3"));
+ assert(!strncmp(ret, "value3", len));
+
+ assert(hwconfig("key3"));
+ assert(hwconfig_arg("key4", &len) == NULL);
+ assert(hwconfig_arg("bogus", &len) == NULL);
+
+ unsetenv("hwconfig");
+
+ assert(hwconfig(NULL) == 0);
+ assert(hwconfig("") == 0);
+ assert(hwconfig("key3") == 0);
+
+ return 0;
+}
+#endif /* HWCONFIG_TEST */