From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../tests/browser/browser_perf-samples-01.js | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 devtools/server/tests/browser/browser_perf-samples-01.js (limited to 'devtools/server/tests/browser/browser_perf-samples-01.js') diff --git a/devtools/server/tests/browser/browser_perf-samples-01.js b/devtools/server/tests/browser/browser_perf-samples-01.js new file mode 100644 index 000000000..f8f4bf393 --- /dev/null +++ b/devtools/server/tests/browser/browser_perf-samples-01.js @@ -0,0 +1,63 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +/** + * Tests if the retrieved profiler data samples are correctly filtered and + * normalized before passed to consumers. + */ + +const WAIT_TIME = 1000; // ms + +const { PerformanceFront } = require("devtools/shared/fronts/performance"); + +add_task(function* () { + let browser = yield addTab(MAIN_DOMAIN + "doc_perf.html"); + let doc = browser.contentDocument; + + initDebuggerServer(); + let client = new DebuggerClient(DebuggerServer.connectPipe()); + let form = yield connectDebuggerClient(client); + let front = PerformanceFront(client, form); + yield front.connect(); + + // Perform the first recording... + + let firstRecording = yield front.startRecording(); + let firstRecordingStartTime = firstRecording._startTime; + info("Started profiling at: " + firstRecordingStartTime); + + busyWait(WAIT_TIME); // allow the profiler module to sample some cpu activity + + yield front.stopRecording(firstRecording); + + ok(firstRecording.getDuration() >= WAIT_TIME, + "The first recording duration is correct."); + + // Perform the second recording... + + let secondRecording = yield front.startRecording(); + let secondRecordingStartTime = secondRecording._startTime; + info("Started profiling at: " + secondRecordingStartTime); + + busyWait(WAIT_TIME); // allow the profiler module to sample more cpu activity + + yield front.stopRecording(secondRecording); + let secondRecordingProfile = secondRecording.getProfile(); + let secondRecordingSamples = secondRecordingProfile.threads[0].samples.data; + + ok(secondRecording.getDuration() >= WAIT_TIME, + "The second recording duration is correct."); + + const TIME_SLOT = secondRecordingProfile.threads[0].samples.schema.time; + ok(secondRecordingSamples[0][TIME_SLOT] < secondRecordingStartTime, + "The second recorded sample times were normalized."); + ok(secondRecordingSamples[0][TIME_SLOT] > 0, + "The second recorded sample times were normalized correctly."); + ok(!secondRecordingSamples.find(e => e[TIME_SLOT] + secondRecordingStartTime <= firstRecording.getDuration()), + "There should be no samples from the first recording in the second one, " + + "even though the total number of frames did not overflow."); + + yield front.destroy(); + yield client.close(); + gBrowser.removeCurrentTab(); +}); -- cgit v1.2.3