From ff3cfe7892c591a9c3bb79335b9571f9f4a1b4b0 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 28 May 2025 20:03:21 +0100
Subject: Handle AlternateContent without Fallback in office-xml-reader

---
 test/docx/office-xml-reader.tests.js | 49 ++++++++++++++++++++++++------------
 1 file changed, 33 insertions(+), 16 deletions(-)

(limited to 'test')

diff --git a/test/docx/office-xml-reader.tests.js b/test/docx/office-xml-reader.tests.js
index 9a053bc..a017315 100644
--- a/test/docx/office-xml-reader.tests.js
+++ b/test/docx/office-xml-reader.tests.js
@@ -5,20 +5,37 @@ var officeXmlReader = require("../../lib/docx/office-xml-reader");
 var test = require("../test")(module);
 
 
-test("mc:AlternateContent is replaced by contents of mc:Fallback", function() {
-    var xmlString =
-        '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' +
-        '<numbering xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006">' +
-        '<mc:AlternateContent>' +
-        '<mc:Choice Requires="w14">' +
-        '<choice/>' +
-        '</mc:Choice>' +
-        '<mc:Fallback>' +
-        '<fallback/>' +
-        '</mc:Fallback>' +
-        '</mc:AlternateContent>' +
-        '</numbering>';
-    return officeXmlReader.read(xmlString).then(function(element) {
-        assert.deepEqual(element.children, [xml.element("fallback")]);
-    });
+test("mc:AlternateContent", {
+    "when mc:Fallback is present then mc:Fallback is read": function() {
+        var xmlString =
+            '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' +
+            '<numbering xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006">' +
+            '<mc:AlternateContent>' +
+            '<mc:Choice Requires="w14">' +
+            '<choice/>' +
+            '</mc:Choice>' +
+            '<mc:Fallback>' +
+            '<fallback/>' +
+            '</mc:Fallback>' +
+            '</mc:AlternateContent>' +
+            '</numbering>';
+        return officeXmlReader.read(xmlString).then(function(element) {
+            assert.deepEqual(element.children, [xml.element("fallback")]);
+        });
+    },
+
+    "when mc:Fallback is not present then element is ignored": function() {
+        var xmlString =
+            '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' +
+            '<numbering xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006">' +
+            '<mc:AlternateContent>' +
+            '<mc:Choice Requires="w14">' +
+            '<choice/>' +
+            '</mc:Choice>' +
+            '</mc:AlternateContent>' +
+            '</numbering>';
+        return officeXmlReader.read(xmlString).then(function(element) {
+            assert.deepEqual(element.children, []);
+        });
+    }
 });
-- 
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