Add test cases and docs for ASN1_STRING_TABLE_* functions

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3998)

1 files changed, 76 insertions, 0 deletions

diff --git a/test/asn1_string_table_test.c b/test/asn1_string_table_test.c
new file mode 100644
index 0000000000..7e542b952e
--- /dev/null
+++ b/test/asn1_string_table_test.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/* Tests for the ANS1_STRING_TABLE_* functions */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/asn1.h>
+#include "testutil.h"
+
+static int test_string_tbl()
+{
+    const ASN1_STRING_TABLE *tmp = NULL;
+    int nid = 12345678, nid2 = 87654321, rv = 0, ret = 0;
+
+    tmp = ASN1_STRING_TABLE_get(nid);
+    if (!TEST_ptr_null(tmp)) {
+        TEST_info("asn1 string table: ASN1_STRING_TABLE_get non-exist nid");
+        goto out;
+    }
+
+    ret = ASN1_STRING_TABLE_add(nid, -1, -1, MBSTRING_ASC, 0);
+    if (!TEST_true(ret)) {
+        TEST_info("asn1 string table: add NID(%d) failed", nid);
+        goto out;
+    }
+
+    ret = ASN1_STRING_TABLE_add(nid2, -1, -1, MBSTRING_ASC, 0);
+    if (!TEST_true(ret)) {
+        TEST_info("asn1 string table: add NID(%d) failed", nid2);
+        goto out;
+    }
+
+    tmp = ASN1_STRING_TABLE_get(nid);
+    if (!TEST_ptr(tmp)) {
+        TEST_info("asn1 string table: get NID(%d) failed", nid);
+        goto out;
+    }
+
+    tmp = ASN1_STRING_TABLE_get(nid2);
+    if (!TEST_ptr(tmp)) {
+        TEST_info("asn1 string table: get NID(%d) failed", nid2);
+        goto out;
+    }
+
+    ASN1_STRING_TABLE_cleanup();
+
+    /* check if all newly added NIDs are cleaned up */
+    tmp = ASN1_STRING_TABLE_get(nid);
+    if (!TEST_ptr_null(tmp)) {
+        TEST_info("asn1 string table: get NID(%d) failed", nid);
+        goto out;
+    }
+
+    tmp = ASN1_STRING_TABLE_get(nid2);
+    if (!TEST_ptr_null(tmp)) {
+        TEST_info("asn1 string table: get NID(%d) failed", nid2);
+        goto out;
+    }
+
+    rv = 1;
+ out:
+    return rv;
+}
+
+void register_tests(void)
+{
+    ADD_TEST(test_string_tbl);
+}