diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 4a82608..6b93a5f 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -68,6 +68,25 @@
     return 0;
 }
 
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int verify_cb( void *data, mbedtls_x509_crt *child, mbedtls_x509_crt **candidates)
+{
+    mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
+    
+    mbedtls_x509_crt *first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
+    TEST_ASSERT( first != NULL);
+    TEST_ASSERT( mbedtls_x509_crt_init( first ) == 0 );
+    TEST_ASSERT( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) == 0);
+    while( ca->next != NULL )
+    {
+        ca = ca->next;
+        TEST_ASSERT( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) == 0);
+    }
+    *candidates = first;
+    return 0;
+}
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
 int verify_fatal( void *data, mbedtls_x509_crt *crt, int certificate_depth, uint32_t *flags )
 {
     int *levels = (int *) data;
@@ -374,6 +393,14 @@
     TEST_ASSERT( res == ( result ) );
     TEST_ASSERT( flags == (uint32_t)( flags_result ) );
 
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    flags = 0;
+
+    res = mbedtls_x509_crt_verify_with_cb( &crt, verify_cb, &ca, profile, cn_name, &flags, f_vrfy, NULL );
+
+    TEST_ASSERT( res == ( result ) );
+    TEST_ASSERT( flags == (uint32_t)( flags_result ) );
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 exit:
     mbedtls_x509_crt_free( &crt );
     mbedtls_x509_crt_free( &ca );