mozilla-central/docshell/test/browser/browser_bug554155.js (file symbol)

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Test Info:

add_task(async function test() {
await BrowserTestUtils.withNewTab(
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
{ gBrowser, url: "http://example.com" },
async function (browser) {
let numLocationChanges = 0;
let listener = {
onLocationChange(browser, webProgress, request, uri) {
info("location change: " + (uri && uri.spec));
numLocationChanges++;
},
};
gBrowser.addTabsProgressListener(listener);
await SpecialPowers.spawn(browser, [], function () {
// pushState to a new URL (http://example.com/foo"). This should trigger
// exactly one LocationChange event.
content.history.pushState(null, null, "foo");
});
await Promise.resolve();
gBrowser.removeTabsProgressListener(listener);
is(
numLocationChanges,
1,
"pushState should cause exactly one LocationChange event."
);
}
);
});