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Bug 1283902 - Skip repeated onDownloadProgress events so the test may pass. r=aswan

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This commit is contained in:
Thomas Wisniewski 2016-07-31 13:44:50 -04:00
parent 155cd76eb3
commit 6606669857
1 changed files with 17 additions and 8 deletions
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25
toolkit/mozapps/extensions/test/browser/browser_webapi_install.js
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@ -65,6 +65,7 @@ function* testInstall(browser, url, steps, description) {
];
let eventWaiter = null;
let receivedEvents = [];
let prevEvent = null;
events.forEach(event => {
install.addEventListener(event, e => {
receivedEvents.push({
@ -87,6 +88,21 @@ function* testInstall(browser, url, steps, description) {
return new Promise((resolve, reject) => {
function check() {
let received = receivedEvents.shift();
// Skip any repeated onDownloadProgress events.
while (received &&
received.event == prevEvent &&
prevEvent == "onDownloadProgress") {
received = receivedEvents.shift();
}
// Wait for more events if we skipped all there were.
if (!received) {
eventWaiter = () => {
eventWaiter = null;
check();
}
return;
}
prevEvent = received.event;
if (received.event != event) {
let err = new Error(`expected ${event} but got ${received.event}`);
reject(err);
@ -100,14 +116,7 @@ function* testInstall(browser, url, steps, description) {
}
resolve();
}
if (receivedEvents.length > 0) {
check();
} else {
eventWaiter = () => {
eventWaiter = null;
check();
}
}
check();
});
}