1104973-fix-perf-test.patch

From e0becbd135c8d344ac9b0c933b171e6f9a335186 Mon Sep 17 00:00:00 2001
From: Jordan Santell <jsantell@gmail.com>
Date: Tue, 25 Nov 2014 13:29:12 -0800
Subject: Bug 1104973 - Fix browser_perf-data-samples.js with having
 atleast one assertion called. r=vp

---
 browser/devtools/performance/test/browser_perf-data-samples.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/browser/devtools/performance/test/browser_perf-data-samples.js b/browser/devtools/performance/test/browser_perf-data-samples.js
index d3ec2b6..899a925 100644
--- a/browser/devtools/performance/test/browser_perf-data-samples.js
+++ b/browser/devtools/performance/test/browser_perf-data-samples.js
@@ -14,21 +14,26 @@ function spawnTest () {
   let front = panel.panelWin.gFront;
 
   yield front.startRecording();
   busyWait(WAIT_TIME); // allow the profiler module to sample some cpu activity
 
   let recordingData = yield front.stopRecording();
   let profile = recordingData.profilerData.profile;
 
+  let sampleCount = 0;
+
   for (let thread of profile.threads) {
     info("Checking thread: " + thread.name);
 
     for (let sample of thread.samples) {
+      sampleCount++;
       if (sample.frames[0].location != "(root)") {
         ok(false, "The sample " + sample.toSource() + " doesn't have a root node.");
       }
     }
   }
 
+  ok(sampleCount > 0, "Atleast some samples have been iterated over, checking for root nodes.");
+
   yield teardown(panel);
   finish();
 }
-- 
1.8.4.2