diff --git a/testing/cper-test.c b/testing/cper-test.c
index 99a85c1..ca698b3 100644
--- a/testing/cper-test.c
+++ b/testing/cper-test.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include "../cper-parse.h"
 #include "json.h"
+#include "../json-schema.h"
 
 int main(int argc, char* argv[]) {
 
@@ -14,5 +15,21 @@
     json_object* ir = cper_to_ir(cper_file);
     fclose(cper_file);
 
-    printf("\n%s\n", json_object_to_json_string(ir));
+    const char* json_output = json_object_to_json_string(ir);
+    printf("\n%s\n", json_output);
+
+    //Test JSON validator.
+    if (argc >= 3)
+    {
+        printf("Validating output with specification %s...\n", argv[2]);
+        char* error_message = malloc(300);
+        if (!validate_schema_from_file(argv[2], ir, error_message))
+        {
+            printf("Validation failed: %s\n", error_message);
+        }
+        else
+        {
+            printf("Validation passed!\n");
+        }
+    }
 }
\ No newline at end of file