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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /performance-timeline/po-disconnect.any.html - WPT Dashboard Interop Dashboard
- /performance-timeline/po-disconnect.any.worker.html - WPT Dashboard Interop Dashboard
// META: script=performanceobservers.js
async_test(function (t) {
var observer = new PerformanceObserver(
t.step_func(function (entryList, obs) {
assert_unreached("This callback must not be invoked");
})
);
observer.observe({entryTypes: ["mark", "measure", "navigation"]});
observer.disconnect();
self.performance.mark("mark1");
self.performance.measure("measure1");
t.step_timeout(function () {
t.done();
}, 2000);
}, "disconnected callbacks must not be invoked");
test(function () {
var obs = new PerformanceObserver(function () { return true; });
obs.disconnect();
obs.disconnect();
}, "disconnecting an unconnected observer is a no-op");
async_test(function (t) {
var observer = new PerformanceObserver(
t.step_func(function (entryList, obs) {
assert_unreached("This callback must not be invoked");
})
);
observer.observe({entryTypes: ["mark"]});
self.performance.mark("mark1");
observer.disconnect();
self.performance.mark("mark2");
t.step_timeout(function () {
t.done();
}, 2000);
}, "An observer disconnected after a mark must not have its callback invoked");