1 files changed, 52 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-tree-view-07.js b/devtools/client/performance/test/browser_perf-tree-view-07.js
new file mode 100644
index 0000000000..a15ff1cbc0
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-07.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
+ * has the correct 'root', 'parent', 'level' etc. accessors on child nodes.
+ */
+
+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");
+
+add_task(function() {
+  const profile = synthesizeProfile();
+  const 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;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  container.id = "call-tree-container";
+  treeRoot.attachTo(container);
+
+  const A = treeRoot.getChild();
+  const B = A.getChild();
+  const D = B.getChild();
+
+  is(D.root, treeRoot, "The .A.B.D node has the correct root.");
+  is(D.parent, B, "The .A.B.D node has the correct parent.");
+  is(D.level, 3, "The .A.B.D node has the correct level.");
+  is(
+    D.target.className,
+    "call-tree-item",
+    "The .A.B.D node has the correct target node."
+  );
+  is(
+    D.container.id,
+    "call-tree-container",
+    "The .A.B.D node has the correct container node."
+  );
+});