1 files changed, 52 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-tree-view-06.js b/devtools/client/performance/test/browser_perf-tree-view-06.js
new file mode 100644
index 000000000..305195ddc
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-06.js
@@ -0,0 +1,52 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * correctly emits events when certain DOM nodes are clicked.
+ */
+
+const { ThreadNode } = require("devtools/client/performance/modules/logic/tree-model");
+const { CallView } = require("devtools/client/performance/modules/widgets/tree-view");
+const { synthesizeProfile } = require("devtools/client/performance/test/helpers/synth-utils");
+const { idleWait, waitUntil } = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(function* () {
+  let profile = synthesizeProfile();
+  let threadNode = new ThreadNode(profile.threads[0], { startTime: 0, endTime: 20 });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  let treeRoot = new CallView({ frame: threadNode });
+  let container = document.createElement("vbox");
+  treeRoot.attachTo(container);
+
+  let A = treeRoot.getChild();
+  let B = A.getChild();
+  let D = B.getChild();
+
+  let linkEvent = null;
+  let handler = (_, e) => {
+    linkEvent = e;
+  };
+
+  treeRoot.on("link", handler);
+
+  // Fire right click.
+  rightMousedown(D.target.querySelector(".call-tree-url"));
+
+  // Ensure link was not called for right click.
+  yield idleWait(100);
+  ok(!linkEvent, "The `link` event not fired for right click.");
+
+  // Fire left click.
+  mousedown(D.target.querySelector(".call-tree-url"));
+
+  // Ensure link was called for left click.
+  yield waitUntil(() => linkEvent);
+  is(linkEvent, D, "The `link` event target is correct.");
+
+  treeRoot.off("link", handler);
+});