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function wait_while_tab_is_busy() {
return new Promise(resolve => {
let progressListener = {
onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
gBrowser.removeProgressListener(this);
setTimeout(resolve, 0);
}
},
};
gBrowser.addProgressListener(progressListener);
});
}
// This function waits for the tab to stop being busy instead of waiting for it
// to load, since the _elementsForViewSource change happens at that time.
var with_new_tab_opened = async function(options, taskFn) {
let busyPromise = wait_while_tab_is_busy();
let tab = await BrowserTestUtils.openNewForegroundTab(
options.gBrowser,
options.url,
false
);
await busyPromise;
await taskFn(tab.linkedBrowser);
gBrowser.removeTab(tab);
};
add_task(async function test_regular_page() {
function test_expect_view_source_enabled(browser) {
for (let element of [...XULBrowserWindow._elementsForViewSource]) {
ok(!element.hasAttribute("disabled"), "View Source should be enabled");
}
}
await with_new_tab_opened(
{
gBrowser,
url: "http://example.com",
},
test_expect_view_source_enabled
);
});
add_task(async function test_view_source_page() {
function test_expect_view_source_disabled(browser) {
for (let element of [...XULBrowserWindow._elementsForViewSource]) {
ok(element.hasAttribute("disabled"), "View Source should be disabled");
}
}
await with_new_tab_opened(
{
gBrowser,
url: "view-source:http://example.com",
},
test_expect_view_source_disabled
);
});
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