1 files changed, 58 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-calltree-js-events.js b/devtools/client/performance/test/browser_perf-calltree-js-events.js
new file mode 100644
index 000000000..c93c7f069
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-calltree-js-events.js
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the call tree up/down events work for js calltrees.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
+const { startRecording, stopRecording } = require("devtools/client/performance/test/helpers/actions");
+const { synthesizeProfile } = require("devtools/client/performance/test/helpers/synth-utils");
+const { once } = require("devtools/client/performance/test/helpers/event-utils");
+const { ThreadNode } = require("devtools/client/performance/modules/logic/tree-model");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { EVENTS, $, DetailsView, OverviewView, JsCallTreeView } = panel.panelWin;
+
+  yield startRecording(panel);
+  yield stopRecording(panel);
+
+  let rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  yield DetailsView.selectView("js-calltree");
+  yield rendered;
+
+  // Mock the profile used so we can get a deterministic tree created.
+  let profile = synthesizeProfile();
+  let threadNode = new ThreadNode(profile.threads[0], OverviewView.getTimeInterval());
+  JsCallTreeView._populateCallTree(threadNode);
+  JsCallTreeView.emit(EVENTS.UI_JS_CALL_TREE_RENDERED);
+
+  let firstTreeItem = $("#js-calltree-view .call-tree-item");
+
+  // DE-XUL: There are focus issues with XUL. Focus first, then synthesize the clicks
+  // so that keyboard events work correctly.
+  firstTreeItem.focus();
+
+  let count = 0;
+  let onFocus = () => count++;
+  JsCallTreeView.on("focus", onFocus);
+
+  click(firstTreeItem);
+
+  key("VK_DOWN");
+  key("VK_DOWN");
+  key("VK_DOWN");
+  key("VK_DOWN");
+
+  JsCallTreeView.off("focus", onFocus);
+  is(count, 4, "Several focus events are fired for the calltree.");
+
+  yield teardownToolboxAndRemoveTab(panel);
+});