gecko-dev/xpcom/tests/unit/test_bug325418.js

62 lines
1.6 KiB
JavaScript

const Cc = Components.classes;
const Ci = Components.interfaces;
// 5 seconds.
const kExpectedDelay1 = 5;
// 1 second.
const kExpectedDelay2 = 1;
var gStartTime1;
var gStartTime2;
var timer;
var observer1 = {
observe: function observeTC1(subject, topic, data) {
if (topic == "timer-callback") {
// Stop timer, so it doesn't repeat (if test runs slowly).
timer.cancel();
// Actual delay may not be exact, so convert to seconds and round.
do_check_eq(Math.round((Date.now() - gStartTime1) / 1000),
kExpectedDelay1);
timer = null;
do_print("1st timer triggered (before being cancelled). Should not have happened!");
do_check_true(false);
}
}
};
var observer2 = {
observe: function observeTC2(subject, topic, data) {
if (topic == "timer-callback") {
// Stop timer, so it doesn't repeat (if test runs slowly).
timer.cancel();
// Actual delay may not be exact, so convert to seconds and round.
do_check_eq(Math.round((Date.now() - gStartTime2) / 1000),
kExpectedDelay2);
timer = null;
do_test_finished();
}
}
};
function run_test() {
do_test_pending();
timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
// Initialize the timer (with some delay), then cancel it.
gStartTime1 = Date.now();
timer.init(observer1, kExpectedDelay1 * 1000, timer.TYPE_REPEATING_PRECISE);
timer.cancel();
// Re-initialize the timer (with a different delay).
gStartTime2 = Date.now();
timer.init(observer2, kExpectedDelay2 * 1000, timer.TYPE_REPEATING_PRECISE);
}