gecko-dev/browser/devtools/performance/test/browser_perf-options-enable-memory-02.js

37 lines
1.4 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests that toggling `enable-memory` during a recording doesn't change that
* recording's state and does not break.
*/
function spawnTest () {
let { panel } = yield initPerformance(SIMPLE_URL);
let { EVENTS, PerformanceController, $ } = panel.panelWin;
// Test starting without memory, and stopping with it.
Services.prefs.setBoolPref(MEMORY_PREF, false);
yield startRecording(panel);
Services.prefs.setBoolPref(MEMORY_PREF, true);
yield stopRecording(panel);
is(PerformanceController.getCurrentRecording().getConfiguration().withMemory, false,
"The recording finished without tracking memory.");
is(PerformanceController.getCurrentRecording().getConfiguration().withAllocations, false,
"The recording finished without tracking allocations.");
// Test starting with memory, and stopping without it.
yield startRecording(panel);
Services.prefs.setBoolPref(MEMORY_PREF, false);
yield stopRecording(panel);
is(PerformanceController.getCurrentRecording().getConfiguration().withMemory, true,
"The recording finished with tracking memory.");
is(PerformanceController.getCurrentRecording().getConfiguration().withAllocations, true,
"The recording finished with tracking allocations.");
yield teardown(panel);
finish();
}