1 files changed, 30 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-outline-pretty.js b/devtools/client/debugger/test/mochitest/browser_dbg-outline-pretty.js
new file mode 100644
index 0000000000..ca0d5c65c4
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-outline-pretty.js
@@ -0,0 +1,30 @@
+/* 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/>. */
+
+// Tests that the length of outline functions for original and pretty printed source matches
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger("doc-scripts.html", "simple1.js");
+
+  await selectSource(dbg, "simple1.js");
+  findElementWithSelector(dbg, ".outline-tab").click();
+  const originalSource = getItems(dbg);
+
+  clickElement(dbg, "prettyPrintButton");
+  await waitForLoadedSource(dbg, "simple1.js:formatted");
+  await waitForElementWithSelector(dbg, ".outline-list");
+  const prettySource = getItems(dbg);
+
+  is(
+    originalSource.length,
+    prettySource.length,
+    "Length of outline functions for both prettyPrint and originalSource same"
+  );
+});
+
+function getItems(dbg) {
+  return findAllElements(dbg, "outlineItems");
+}