Files
tubestation/devtools/client/canvasdebugger/test/browser_profiling-canvas.js
J. Ryan Stinnett a3073e0420 Bug 912121 - Migrate major DevTools directories. rs=devtools
Move major DevTools files to new directories using the following steps:

hg mv browser/devtools devtools/client
hg mv toolkit/devtools/server devtools/server
hg mv toolkit/devtools devtools/shared

No other changes are made.
2015-09-21 12:02:24 -05:00

46 lines
1.6 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests if functions inside a single animation frame are recorded and stored
* for a canvas context profiling.
*/
function* ifTestingSupported() {
let currentTime = window.performance.now();
let { target, front } = yield initCanvasDebuggerBackend(SIMPLE_CANVAS_URL);
let navigated = once(target, "navigate");
yield front.setup({ reload: true });
ok(true, "The front was setup up successfully.");
yield navigated;
ok(true, "Target automatically navigated when the front was set up.");
let snapshotActor = yield front.recordAnimationFrame();
ok(snapshotActor,
"A snapshot actor was sent after recording.");
let animationOverview = yield snapshotActor.getOverview();
ok(animationOverview,
"An animation overview could be retrieved after recording.");
let functionCalls = animationOverview.calls;
ok(functionCalls,
"An array of function call actors was sent after recording.");
is(functionCalls.length, 8,
"The number of function call actors is correct.");
info("Check the timestamps of function calls");
for ( let i = 0; i < functionCalls.length-1; i += 2 ) {
ok( functionCalls[i].timestamp > 0, "The timestamp of the called function is larger than 0." );
ok( functionCalls[i].timestamp < currentTime, "The timestamp has been minus the frame start time." );
ok( functionCalls[i+1].timestamp > functionCalls[i].timestamp, "The timestamp of the called function is correct." );
}
yield removeTab(target.tab);
finish();
}