1 files changed, 59 insertions, 0 deletions
diff --git a/browser/devtools/performance/test/browser_profiler_tree-model-02.js b/browser/devtools/performance/test/browser_profiler_tree-model-02.js
new file mode 100644
index 000000000..fbecef5d3
--- /dev/null
+++ b/browser/devtools/performance/test/browser_profiler_tree-model-02.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if a call tree model ignores samples with no timing information.
+ */
+
+function test() {
+  let { ThreadNode } = devtools.require("devtools/shared/profiler/tree-model");
+
+  // Create a root node from a given samples array.
+
+  let root = new ThreadNode(gSamples);
+
+  // Test the root node.
+
+  is(root.duration, 5,
+    "The correct duration was calculated for the root node.");
+
+  is(Object.keys(root.calls).length, 1,
+    "The correct number of child calls were calculated for the root node.");
+  is(Object.keys(root.calls)[0], "A",
+    "The root node's only child call is correct.");
+
+  // Test all the descendant nodes.
+
+  is(Object.keys(root.calls.A.calls).length, 1,
+    "The correct number of child calls were calculated for the '.A' node.");
+  is(Object.keys(root.calls.A.calls)[0], "B",
+    "The '.A.B' node's only child call is correct.");
+
+  is(Object.keys(root.calls.A.calls.B.calls).length, 1,
+    "The correct number of child calls were calculated for the '.A.B' node.");
+  is(Object.keys(root.calls.A.calls.B.calls)[0], "C",
+    "The '.A.B' node's only child call is correct.");
+
+  is(Object.keys(root.calls.A.calls.B.calls.C.calls).length, 0,
+    "The correct number of child calls were calculated for the '.A.B.C' node.");
+
+  finish();
+}
+
+let gSamples = [{
+  time: 5,
+  frames: [
+    { location: "(root)" },
+    { location: "A" },
+    { location: "B" },
+    { location: "C" }
+  ]
+}, {
+  time: null,
+  frames: [
+    { location: "(root)" },
+    { location: "A" },
+    { location: "B" },
+    { location: "D" }
+  ]
+}];