#364 Tests unsupported paginated table inside a footnote.

Unsupported but does not cause infinite loop, OOM, etc.
danfickle · Aug 25, 2021 · efa3310 · efa3310
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diff --git a/...topdf-examples/src/main/resources/visualtest/html/issue-364-invalid-footnote-content.html b/...topdf-examples/src/main/resources/visualtest/html/issue-364-invalid-footnote-content.html
@@ -0,0 +1,61 @@
+<html>
+<head>
+<style>
+@page {
+  size: 300px 300px;
+}
+html {
+  orphans: 0;
+  widows: 0;
+}
+body {
+  font-size: 16px;
+}
+.footnote {
+  color: green;
+  float: footnote;
+}
+::footnote-call {
+  counter-increment: footnote;
+  content: " [fn " counter(footnote) "] ";
+}
+::footnote-marker {
+  content: "fn " counter(footnote) ".  ";
+}
+thead td {
+  background: orange;
+}
+tfoot td {
+  background: aqua;
+}
+</style>
+</head>
+<body>
+  This is some in-flow content.
+
+  <div class="footnote">
+    This footnote has a paginated table inside.
+    <table style="-fs-table-paginate: paginate; border-collapse: collapse;">
+     <thead>
+      <tr><td>One</td></tr>
+      <tr><td>Two</td></tr>
+     </thead>
+     <tbody>
+      <tr><td>Three</td></tr>
+      <tr><td>Four</td></tr>
+      <tr><td>Five</td></tr>
+     </tbody>
+     <tfoot>
+      <tr><td>Six</td></tr>
+     </tfoot>
+    </table>
+  </div>
+
+  End of document.
+
+  <div class="footnote">
+    Normal footnote
+  </div>
+
+</body>
+</html>
diff --git a/...les/src/test/java/com/openhtmltopdf/nonvisualregressiontests/NonVisualRegressionTest.java b/...les/src/test/java/com/openhtmltopdf/nonvisualregressiontests/NonVisualRegressionTest.java
@@ -532,6 +532,20 @@ public void testIssue364LinkToInFlowContent() throws IOException {
         }
     }
 
+    /**
+     * Tests bad footnote related content such as:
+     * + Paginated table inside footnotes.
+     * Primarily to check that these scenarios do not cause infinite loop
+     * or out-of-memory and ideally don't throw exceptions.
+     * Bad footnote content is not supported and will not produce expected results.
+     */
+    @Test
+    public void testIssue364InvalidFootnoteContent() throws IOException {
+        try (PDDocument doc = run("issue-364-invalid-footnote-content")) {
+            remove("issue-364-invalid-footnote-content", doc);
+        }
+    }
+
     /**
      * Tests that link annotation area is correctly translated-y.
      */