tests: add lxc.syslog tests to get_item

src/tests/get_item.c

@@ -26,7 +26,9 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <string.h>
+
 #include "lxc/state.h"
+#include "lxctest.h"
 
 #define MYNAME "lxctest1"
 
@@ -41,6 +43,29 @@ int main(int argc, char *argv[])
 		exit(EXIT_FAILURE);
 	}
 
+	/* EXPECT SUCCESS: lxc.syslog with valid value. */
+	if (!c->set_config_item(c, "lxc.syslog", "local0")) {
+		lxc_error("%s\n", "Failed to set lxc.syslog.\n");
+		goto out;
+	}
+	ret = c->get_config_item(c, "lxc.syslog", v2, 255);
+	if (ret < 0) {
+		lxc_error("Failed to retrieve lxc.syslog: %d.\n", ret);
+		goto out;
+	}
+	if (strcmp(v2, "local0") != 0) {
+		lxc_error("Expected: local0 == %s.\n", v2);
+		goto out;
+	}
+	lxc_debug("Retrieving value for lxc.syslog correctly returned: %s.\n", v2);
+
+	/* EXPECT FAILURE: lxc.syslog with invalid value. */
+	if (c->set_config_item(c, "lxc.syslog", "NONSENSE")) {
+		lxc_error("%s\n", "Succeeded int setting lxc.syslog to invalid value \"NONSENSE\".\n");
+		goto out;
+	}
+	lxc_debug("%s\n", "Successfully failed to set lxc.syslog to invalid value.\n");
+
 	if (!c->set_config_item(c, "lxc.hook.pre-start", "hi there")) {
 		fprintf(stderr, "%d: failed to set hook.pre-start\n", __LINE__);
 		goto out;

src/tests/lxctest.h

@@ -28,6 +28,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#define lxc_debug_stream(stream, format, ...)                                  \
+	do {                                                                   \
+		fprintf(stream, "%s: %d: %s: " format, __FILE__, __LINE__,     \
+			__func__, __VA_ARGS__);                                \
+	} while (false)
+
+#define lxc_error(format, ...) lxc_debug_stream(stderr, format, __VA_ARGS__)
+#define lxc_debug(format, ...) lxc_debug_stream(stdout, format, __VA_ARGS__)
+
 #define lxc_test_assert_stringify(expression, stringify_expression)            \
 	do {                                                                   \
 		if (!(expression)) {                                           \