зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.2 KiB
JavaScript
108 строки
3.2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Functions that are automatically loaded as frame scripts for
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// timeline tests.
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ChromeUtils.import("resource://gre/modules/Timer.jsm");
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// Functions that look like mochitest functions but forward to the
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// browser process.
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this.ok = function(value, message) {
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sendAsyncMessage("browser:test:ok", {
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value: !!value,
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message: message});
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}
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this.is = function(v1, v2, message) {
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ok(v1 == v2, message);
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}
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this.info = function(message) {
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sendAsyncMessage("browser:test:info", {message: message});
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}
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this.finish = function() {
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sendAsyncMessage("browser:test:finish");
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}
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/* Start a task that runs some timeline tests in the ordinary way.
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*
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* @param array tests
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* The tests to run. This is an array where each element
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* is of the form { desc, searchFor, setup, check }.
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*
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* desc is the test description, a string.
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* searchFor is a string or a function
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* If a string, then when a marker with this name is
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* found, marker-reading is stopped.
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* If a function, then the accumulated marker array is
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* passed to it, and marker reading stops when it returns
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* true.
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* setup is a function that takes the docshell as an argument.
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* It should start the test.
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* check is a function that takes an array of markers
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* as an argument and checks the results of the test.
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*/
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this.timelineContentTest = function(tests) {
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(async function() {
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let docShell = content.docShell;
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info("Start recording");
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docShell.recordProfileTimelineMarkers = true;
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for (let {desc, searchFor, setup, check} of tests) {
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info("Running test: " + desc);
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info("Flushing the previous markers if any");
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docShell.popProfileTimelineMarkers();
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info("Running the test setup function");
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let onMarkers = timelineWaitForMarkers(docShell, searchFor);
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setup(docShell);
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info("Waiting for new markers on the docShell");
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let markers = await onMarkers;
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// Cycle collection markers are non-deterministic, and none of these tests
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// expect them to show up.
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markers = markers.filter(m => !m.name.includes("nsCycleCollector"));
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info("Running the test check function");
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check(markers);
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}
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info("Stop recording");
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docShell.recordProfileTimelineMarkers = false;
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finish();
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})();
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}
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function timelineWaitForMarkers(docshell, searchFor) {
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if (typeof(searchFor) == "string") {
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let searchForString = searchFor;
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let f = function (markers) {
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return markers.some(m => m.name == searchForString);
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};
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searchFor = f;
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}
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return new Promise(function(resolve, reject) {
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let waitIterationCount = 0;
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let maxWaitIterationCount = 10; // Wait for 2sec maximum
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let markers = [];
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setTimeout(function timeoutHandler() {
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let newMarkers = docshell.popProfileTimelineMarkers();
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markers = [...markers, ...newMarkers];
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if (searchFor(markers) || waitIterationCount > maxWaitIterationCount) {
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resolve(markers);
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} else {
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setTimeout(timeoutHandler, 200);
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waitIterationCount++;
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}
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}, 200);
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});
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}
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