1 files changed, 27 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/examples/doc-preview.html b/devtools/client/debugger/test/mochitest/examples/doc-preview.html
new file mode 100644
index 0000000000..91c19ba0b5
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/doc-preview.html
@@ -0,0 +1,27 @@
+ <!-- This Source Code Form is subject to the terms of the Mozilla Public
+    - License, v. 2.0. If a copy of the MPL was not distributed with this
+    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Debugger Preview</title>
+  </head>
+
+  <body>
+    <script src="preview.js"></script>
+    <script>
+
+      function testInline() {
+        const obj = {prop: 2}
+        obj?.prop
+        debugger;
+      }
+
+      // This inline script allows this HTML page to show up as a
+      // source. It also needs to introduce a new global variable so
+      // it's not immediately garbage collected.
+      inline_script = function () { var x = 5; };
+    </script>
+  </body>
+</html>