1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-options-invert-call-tree-02.js b/devtools/client/performance/test/browser_perf-options-invert-call-tree-02.js
new file mode 100644
index 000000000..ae0c8ede8
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-invert-call-tree-02.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory call tree views get rerendered when toggling `invert-call-tree`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const { UI_ENABLE_ALLOCATIONS_PREF, UI_INVERT_CALL_TREE_PREF } = require("devtools/client/performance/test/helpers/prefs");
+const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
+const { startRecording, stopRecording } = require("devtools/client/performance/test/helpers/actions");
+const { once } = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { EVENTS, DetailsView, MemoryCallTreeView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, true);
+
+  yield startRecording(panel);
+  yield stopRecording(panel);
+
+  let rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  yield DetailsView.selectView("memory-calltree");
+  yield rendered;
+
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, false);
+  yield rendered;
+  ok(true, "MemoryCallTreeView rerendered when toggling invert-call-tree.");
+
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, true);
+  yield rendered;
+  ok(true, "MemoryCallTreeView rerendered when toggling back invert-call-tree.");
+
+  yield teardownToolboxAndRemoveTab(panel);
+});