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Bug 668309 follow-up: harden timing tests

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This commit is contained in:
Philipp von Weitershausen 2011-06-30 19:12:45 +02:00
parent ef3cfaf2fb
commit 6c7b3f930d
1 changed files with 11 additions and 23 deletions
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34
services/sync/tests/unit/test_syncscheduler.js
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@ -212,43 +212,31 @@ add_test(function test_scheduleNextSync() {
SyncScheduler.singleDeviceInterval = 100;
SyncScheduler.syncInterval = SyncScheduler.singleDeviceInterval;
// The pre-set value for nextSync
let initial_nextSync;
// The estimated syncInterval value after calling scheduleNextSync.
let syncInterval;
// Test backoffInterval is 0 as expected.
do_check_eq(Status.backoffInterval, 0);
_("Test setting sync interval when nextSync == 0");
initial_nextSync = SyncScheduler.nextSync = 0;
let expectedInterval = SyncScheduler.singleDeviceInterval;
SyncScheduler.nextSync = 0;
SyncScheduler.scheduleNextSync();
// Test nextSync value was changed.
do_check_neq(SyncScheduler.nextSync, initial_nextSync);
syncInterval = SyncScheduler.nextSync - Date.now();
_("Sync Interval: " + syncInterval);
do_check_true(SyncScheduler.nextSync > 0);
// syncInterval is smaller than expectedInterval
// since some time has passed.
do_check_true(syncInterval <= expectedInterval);
// nextSync - Date.now() might be smaller than expectedInterval
// since some time has passed since we called scheduleNextSync().
let expectedInterval = SyncScheduler.singleDeviceInterval;
do_check_true(SyncScheduler.nextSync - Date.now() <= expectedInterval);
do_check_eq(SyncScheduler.syncTimer.delay, expectedInterval);
_("Test setting sync interval when nextSync != 0");
// Schedule next sync for 100ms in the future.
initial_nextSync = SyncScheduler.nextSync = Date.now() +
SyncScheduler.singleDeviceInterval;
SyncScheduler.nextSync = Date.now() + SyncScheduler.singleDeviceInterval;
SyncScheduler.scheduleNextSync();
syncInterval = SyncScheduler.nextSync - Date.now();
_("Sync Interval: " + syncInterval);
// syncInterval is smaller than expectedInterval
// since some time has passed.
do_check_true(syncInterval <= expectedInterval);
do_check_eq(SyncScheduler.syncTimer.delay, expectedInterval);
// nextSync - Date.now() might be smaller than expectedInterval
// since some time has passed since we called scheduleNextSync().
do_check_true(SyncScheduler.nextSync - Date.now() <= expectedInterval);
do_check_true(SyncScheduler.syncTimer.delay <= expectedInterval);
});
add_test(function test_handleSyncError() {