From 5f54bac9ebfc1486c9180b581e32588ee74c59e4 Mon Sep 17 00:00:00 2001
From: David Kilzer <ddkilzer@apple.com>
Date: Sat, 10 Jun 2023 10:50:02 -0700
Subject: [PATCH] testapi: test_xmlSAXDefaultVersion() leaves
 xmlSAX2DefaultVersionValue set to 1 with LIBXML_SAX1_ENABLED

Add code to save and to restore the default value of
xmlSAX2DefaultVersionValue.

Fixes #554.
---
 gentest.py | 8 ++++++++
 testapi.c  | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/gentest.py b/gentest.py
index 40d963b4..16c0e379 100755
--- a/gentest.py
+++ b/gentest.py
@@ -205,6 +205,10 @@ extra_pre_call = {
 """,
    "xmlParserInputBufferCreateFd":
        "if (fd >= 0) fd = -1;",
+   "xmlSAXDefaultVersion": """
+        {
+            int original_version = xmlSAXDefaultVersion(2);
+""",
 }
 extra_post_call = {
    "xmlAddChild": 
@@ -261,6 +265,10 @@ extra_post_call = {
    "xmlParseChunk": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "xmlParseExtParsedEnt": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "xmlDOMWrapAdoptNode": "if ((node != NULL) && (node->parent == NULL)) {xmlUnlinkNode(node);xmlFreeNode(node);node = NULL;}",
+   "xmlSAXDefaultVersion": """
+            (void)xmlSAXDefaultVersion(original_version);
+        }
+""",
 }
 
 modules = []
diff --git a/testapi.c b/testapi.c
index 96393ade..fd3fc946 100644
--- a/testapi.c
+++ b/testapi.c
@@ -5300,7 +5300,14 @@ test_xmlSAXDefaultVersion(void) {
         mem_base = xmlMemBlocks();
         version = gen_int(n_version, 0);
 
+        {
+            int original_version = xmlSAXDefaultVersion(2);
+
+
         ret_val = xmlSAXDefaultVersion(version);
+            (void)xmlSAXDefaultVersion(original_version);
+        }
+
         desret_int(ret_val);
         call_tests++;
         des_int(n_version, version, 0);