diff --git a/tests/test-json.c b/tests/test-json.c
new file mode 100644
index 0000000..c7cb460
--- /dev/null
+++ b/tests/test-json.c
@@ -0,0 +1,44 @@
+/*
+ * JSON parser - test program
+ * Copyright (c) 2019, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+#include "utils/os.h"
+#include "utils/json.h"
+
+
+int main(int argc, char *argv[])
+{
+	char *buf;
+	size_t len;
+	struct json_token *root;
+
+	if (argc < 2)
+		return -1;
+
+	buf = os_readfile(argv[1], &len);
+	if (!buf)
+		return -1;
+
+	root = json_parse(buf, len);
+	os_free(buf);
+	if (root) {
+		size_t buflen = 10000;
+
+		buf = os_zalloc(buflen);
+		if (buf) {
+			json_print_tree(root, buf, buflen);
+			printf("%s\n", buf);
+			os_free(buf);
+		}
+		json_free(root);
+	} else {
+		printf("JSON parsing failed\n");
+	}
+
+	return 0;
+}