gecko/browser/devtools/canvasdebugger/test/browser_canvas-actor-test-03.js

76 lines
3.0 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.
*/
function ifTestingSupported() {
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(snapshotActor,
"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.");
is(functionCalls[0].type, CallWatcherFront.METHOD_FUNCTION,
"The first called function is correctly identified as a method.");
is(functionCalls[0].name, "clearRect",
"The first called function's name is correct.");
is(functionCalls[0].file, SIMPLE_CANVAS_URL,
"The first called function's file is correct.");
is(functionCalls[0].line, 25,
"The first called function's line is correct.");
is(functionCalls[0].argsPreview, "0, 0, 128, 128",
"The first called function's args preview is correct.");
is(functionCalls[0].callerPreview, "ctx",
"The first called function's caller preview is correct.");
is(functionCalls[6].type, CallWatcherFront.METHOD_FUNCTION,
"The penultimate called function is correctly identified as a method.");
is(functionCalls[6].name, "fillRect",
"The penultimate called function's name is correct.");
is(functionCalls[6].file, SIMPLE_CANVAS_URL,
"The penultimate called function's file is correct.");
is(functionCalls[6].line, 21,
"The penultimate called function's line is correct.");
is(functionCalls[6].argsPreview, "10, 10, 55, 50",
"The penultimate called function's args preview is correct.");
is(functionCalls[6].callerPreview, "ctx",
"The penultimate called function's caller preview is correct.");
is(functionCalls[7].type, CallWatcherFront.METHOD_FUNCTION,
"The last called function is correctly identified as a method.");
is(functionCalls[7].name, "requestAnimationFrame",
"The last called function's name is correct.");
is(functionCalls[7].file, SIMPLE_CANVAS_URL,
"The last called function's file is correct.");
is(functionCalls[7].line, 30,
"The last called function's line is correct.");
ok(functionCalls[7].argsPreview.contains("Function"),
"The last called function's args preview is correct.");
is(functionCalls[7].callerPreview, "",
"The last called function's caller preview is correct.");
yield removeTab(target.tab);
finish();
}