diff --git a/tests/suites/test_suite_oid.data b/tests/suites/test_suite_oid.data
index b9fa654..9e47ef4 100644
--- a/tests/suites/test_suite_oid.data
+++ b/tests/suites/test_suite_oid.data
@@ -119,3 +119,15 @@
 
 OID get numeric string - overlong encoding, second subidentifier
 oid_get_numeric_string:"2B8001":MBEDTLS_ERR_ASN1_INVALID_DATA:""
+
+OID from numeric string - hardware module name
+oid_from_numeric_string:"1.3.6.1.5.5.7.8.4":0:"2B06010505070804"
+
+OID from numeric string - multi-byte subidentifier
+oid_from_numeric_string:"1.1.2108":0:"29903C"
+
+OID from numeric string - second component greater than 39
+oid_from_numeric_string:"2.49.0.0.826.0":0:"81010000863A00"
+
+OID from numeric string - multi-byte first subidentifier
+oid_from_numeric_string:"2.999":0:"8837"
diff --git a/tests/suites/test_suite_oid.function b/tests/suites/test_suite_oid.function
index 3004b65..329bd8b 100644
--- a/tests/suites/test_suite_oid.function
+++ b/tests/suites/test_suite_oid.function
@@ -117,3 +117,29 @@
     }
 }
 /* END_CASE */
+
+/* BEGIN_CASE */
+void oid_from_numeric_string(char *oid_str, int error_ret,
+                             data_t *exp_oid_buf)
+{
+    mbedtls_asn1_buf oid = { 0, 0, NULL };
+    mbedtls_asn1_buf exp_oid = { 0, 0, NULL };
+    int ret;
+
+    exp_oid.tag = MBEDTLS_ASN1_OID;
+    exp_oid.p = exp_oid_buf->x;
+    exp_oid.len = exp_oid_buf->len;
+
+    ret = mbedtls_oid_from_numeric_string(&oid, oid_str, strlen(oid_str));
+
+    if (error_ret == 0) {
+        TEST_EQUAL(oid.len, exp_oid.len);
+        TEST_ASSERT(memcmp(oid.p, exp_oid.p, oid.len) == 0);
+        mbedtls_free(oid.p);
+        oid.p = NULL;
+        oid.len = 0;
+    } else {
+        TEST_EQUAL(ret, error_ret);
+    }
+}
+/* END_CASE */