1 files changed, 68 insertions, 0 deletions
diff --git a/toolkit/devtools/profiler/test/browser_profiler_recording-utils.js b/toolkit/devtools/profiler/test/browser_profiler_recording-utils.js
new file mode 100644
index 000000000..5b00a7ec8
--- /dev/null
+++ b/toolkit/devtools/profiler/test/browser_profiler_recording-utils.js
@@ -0,0 +1,68 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if the recording utility functions work as expected.
+ */
+
+const WAIT_TIME = 100; // ms
+
+let test = Task.async(function*() {
+  let [target, debuggee, panel] = yield initFrontend(SIMPLE_URL);
+  let { RecordingsListView, RecordingUtils } = panel.panelWin;
+
+  yield startRecording(panel);
+  yield idleWait(WAIT_TIME); // allow refresh driver ticks to accumulate
+  busyWait(WAIT_TIME); // allow the profiler module to sample more cpu activity
+  yield stopRecording(panel, { waitForDisplay: true });
+
+  let recordingData = RecordingsListView.selectedItem.attachment;
+  ok(recordingData, "The recording data was successfully retrieved.");
+
+  // Test plotting categories...
+
+  let profilerData = recordingData.profilerData;
+  let categoriesData = RecordingUtils.plotCategoriesFor(profilerData, 0, Infinity);
+
+  for (let category of categoriesData) {
+    is(Object.keys(category).toSource(), '["delta", "values"]',
+      "The correct keys are in the cateogries data.");
+    is(typeof category.delta, "number",
+      "The delta property is a number, as expected.");
+    is(typeof category.values, "object",
+      "The values property is a object, as expected.");
+    ok("length" in category.values,
+      "The values property is an array, as expected.");
+  }
+
+  // Test plotting framerate...
+
+  let ticksData = recordingData.ticksData;
+  let framerateData = RecordingUtils.plotFramerateFor(ticksData, 0, Infinity);
+
+  ok("length" in framerateData,
+    "The framerate data is an array, as expected.");
+
+  for (let rate of framerateData) {
+    is(typeof rate.delta, "number",
+      "The delta property is a number, as expected.");
+    is(typeof rate.value, "number",
+      "The value property is a number, as expected.");
+  }
+
+  // Test categories and framerate syncing...
+
+  RecordingUtils.syncCategoriesWithFramerate(categoriesData, framerateData);
+  info("Total framerate data: " + framerateData.length);
+  info("Total categories data: " + categoriesData.length);
+
+  if (framerateData.length >= 2 && categoriesData.length >= 2) {
+    is(categoriesData[0].delta, framerateData[0].delta,
+      "The categories and framerate data now start at the exact same time.");
+    is(categoriesData.pop().delta, framerateData.pop().delta,
+      "The categories and framerate data now end at the exact same time.");
+  }
+
+  yield teardown(panel);
+  finish();
+});