From bd46a95b93084ad1e3b3b729cc0f2d2ad87f1aca Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Thu, 18 Jan 2024 11:06:23 -0500
Subject: [PATCH] Test subdocument creation and rendering

---
 api_test/main.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/api_test/main.c b/api_test/main.c
index 899d586f2..97caf744d 100644
--- a/api_test/main.c
+++ b/api_test/main.c
@@ -912,6 +912,64 @@ static void test_feed_across_line_ending(test_batch_runner *runner) {
   cmark_node_free(document);
 }
 
+static void sub_document(test_batch_runner *runner) {
+  cmark_node *doc = cmark_node_new(CMARK_NODE_NO_OP);
+  cmark_node *list = cmark_node_new(CMARK_NODE_LIST);
+  OK(runner, cmark_node_append_child(doc, list), "list");
+
+  {
+    static const char markdown[] =
+      "Hello &ldquo; <http://www.google.com>\n";
+    cmark_node *item = cmark_node_new(CMARK_NODE_ITEM);
+    OK(runner, cmark_node_append_child(list, item), "item0");
+    cmark_node *sub_doc = cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
+    OK(runner, cmark_node_append_child(item, sub_doc), "append0");
+  }
+
+  {
+    static const char markdown[] =
+      "Bye &ldquo; <http://www.geocities.com>\n";
+    cmark_node *item = cmark_node_new(CMARK_NODE_ITEM);
+    OK(runner, cmark_node_append_child(list, item), "item1");
+    cmark_node *sub_doc = cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
+    OK(runner, cmark_node_append_child(item, sub_doc), "append1");
+  }
+
+  char *xml = cmark_render_xml(doc, CMARK_OPT_DEFAULT);
+  STR_EQ(runner, xml, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+                      "<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n"
+                      "<document xmlns=\"http://commonmark.org/xml/1.0\">\n"
+                      "  <list type=\"bullet\" tight=\"false\">\n"
+                      "    <item>\n"
+                      "      <paragraph>\n"
+                      "        <text xml:space=\"preserve\">Hello “ </text>\n"
+                      "        <link destination=\"http://www.google.com\">\n"
+                      "          <text xml:space=\"preserve\">http://www.google.com</text>\n"
+                      "        </link>\n"
+                      "      </paragraph>\n"
+                      "    </item>\n"
+                      "    <item>\n"
+                      "      <paragraph>\n"
+                      "        <text xml:space=\"preserve\">Bye “ </text>\n"
+                      "        <link destination=\"http://www.geocities.com\">\n"
+                      "          <text xml:space=\"preserve\">http://www.geocities.com</text>\n"
+                      "        </link>\n"
+                      "      </paragraph>\n"
+                      "    </item>\n"
+                      "  </list>\n"
+                      "</document>\n",
+         "nested document XML is as expected");
+  free(xml);
+
+  char *cmark = cmark_render_commonmark(doc, CMARK_OPT_DEFAULT, 0);
+  STR_EQ(runner, cmark, "  - Hello “ <http://www.google.com>\n"
+                        "\n"
+                        "  - Bye “ <http://www.geocities.com>\n",
+         "nested document CommonMark is as expected");
+
+  cmark_node_free(doc);
+}
+
 static void source_pos(test_batch_runner *runner) {
   static const char markdown[] =
     "# Hi *there*.\n"
@@ -1094,6 +1152,7 @@ int main(void) {
   test_cplusplus(runner);
   test_safe(runner);
   test_feed_across_line_ending(runner);
+  sub_document(runner);
   source_pos(runner);
   source_pos_inlines(runner);
   ref_source_pos(runner);