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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests if functions calls are recorded and stored for a canvas context,
* and that their stack is successfully retrieved.
*/
function* ifTestingSupported() {
let { target, front } = yield initCallWatcherBackend(SIMPLE_CANVAS_URL);
let navigated = once(target, "navigate");
yield front.setup({
tracedGlobals: ["CanvasRenderingContext2D", "WebGLRenderingContext"],
startRecording: true,
performReload: true,
storeCalls: true
});
ok(true, "The front was setup up successfully.");
yield navigated;
ok(true, "Target automatically navigated when the front was set up.");
// Allow the content to execute some functions.
yield waitForTick();
let functionCalls = yield front.pauseRecording();
ok(functionCalls,
"An array of function call actors was sent after reloading.");
ok(functionCalls.length > 0,
"There's at least one function call actor available.");
is(functionCalls[0].type, CallWatcherFront.METHOD_FUNCTION,
"The called function is correctly identified as a method.");
is(functionCalls[0].name, "clearRect",
"The called function's name is correct.");
is(functionCalls[0].file, SIMPLE_CANVAS_URL,
"The called function's file is correct.");
is(functionCalls[0].line, 25,
"The called function's line is correct.");
is(functionCalls[0].callerPreview, "Object",
"The called function's caller preview is correct.");
is(functionCalls[0].argsPreview, "0, 0, 128, 128",
"The called function's args preview is correct.");
let details = yield functionCalls[1].getDetails();
ok(details,
"The first called function has some details available.");
is(details.stack.length, 3,
"The called function's stack depth is correct.");
is(details.stack[0].name, "fillStyle",
"The called function's stack is correct (1.1).");
is(details.stack[0].file, SIMPLE_CANVAS_URL,
"The called function's stack is correct (1.2).");
is(details.stack[0].line, 20,
"The called function's stack is correct (1.3).");
is(details.stack[1].name, "drawRect",
"The called function's stack is correct (2.1).");
is(details.stack[1].file, SIMPLE_CANVAS_URL,
"The called function's stack is correct (2.2).");
is(details.stack[1].line, 26,
"The called function's stack is correct (2.3).");
is(details.stack[2].name, "drawScene",
"The called function's stack is correct (3.1).");
is(details.stack[2].file, SIMPLE_CANVAS_URL,
"The called function's stack is correct (3.2).");
is(details.stack[2].line, 33,
"The called function's stack is correct (3.3).");
yield removeTab(target.tab);
finish();
}
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