1 files changed, 28 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-pretty-print-flow.js b/devtools/client/debugger/test/mochitest/browser_dbg-pretty-print-flow.js
new file mode 100644
index 0000000000..c4eddd2e07
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-pretty-print-flow.js
@@ -0,0 +1,28 @@
+/* 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 loader and new tab appear when pretty printing,
+// and the selected location is mapped afterwards
+
+"use strict";
+
+add_task(async function() {
+  const dbg = await initDebugger("doc-pretty.html", "pretty.js");
+
+  await selectSource(dbg, "pretty.js", 4, 8);
+
+  prettyPrint(dbg);
+  info("Wait for a second tab to be displayed with the pretty printed source");
+  await waitForTabCounts(dbg, 2);
+  info("Wait for the pretty printed source to be selected on a different line");
+  await waitForSelectedLocation(dbg, 5);
+});
+
+function waitForTabCounts(dbg, counts) {
+  return waitForState(dbg, state => {
+    const tabCounts = countTabs(dbg);
+
+    return tabCounts == counts;
+  });
+}