1 files changed, 59 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-tree-view-09.js b/devtools/client/performance/test/browser_perf-tree-view-09.js
new file mode 100644
index 000000000..c7f11549e
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-09.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the profiler's tree view sorts inverted call trees by
+ * "self cost" and not "total cost".
+ */
+
+const { ThreadNode } = require("devtools/client/performance/modules/logic/tree-model");
+const { CallView } = require("devtools/client/performance/modules/widgets/tree-view");
+const RecordingUtils = require("devtools/shared/performance/recording-utils");
+
+add_task(function () {
+  let threadNode = new ThreadNode(gProfile.threads[0], { startTime: 0, endTime: 20,
+                                                         invertTree: true });
+  let treeRoot = new CallView({ frame: threadNode, inverted: true });
+  let container = document.createElement("vbox");
+  treeRoot.attachTo(container);
+
+  is(treeRoot.getChild(0).frame.location, "B",
+    "The tree root's first child is the `B` function.");
+  is(treeRoot.getChild(1).frame.location, "A",
+    "The tree root's second child is the `A` function.");
+});
+
+const gProfile = RecordingUtils.deflateProfile({
+  meta: { version: 2 },
+  threads: [{
+    samples: [{
+      time: 1,
+      frames: [
+        { location: "(root)" },
+        { location: "A" },
+        { location: "B" },
+      ]
+    }, {
+      time: 2,
+      frames: [
+        { location: "(root)" },
+        { location: "A" },
+        { location: "B" }
+      ]
+    }, {
+      time: 3,
+      frames: [
+        { location: "(root)" },
+        { location: "A" },
+        { location: "B" },
+      ]
+    }, {
+      time: 4,
+      frames: [
+        { location: "(root)" },
+        { location: "A" }
+      ]
+    }]
+  }]
+});