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"use strict";
async function doLoadAndGoBack(browser, ext) {
let loaded = BrowserTestUtils.browserLoaded(browser);
BrowserTestUtils.startLoadingURIString(browser, "https://example.com/");
await ext.awaitMessage("redir-handled");
await loaded;
let pageShownPromise = BrowserTestUtils.waitForContentEvent(
browser,
"pageshow",
true
);
await SpecialPowers.spawn(browser, [], () => {
content.history.back();
});
return pageShownPromise;
}
add_task(async function test_back() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["webRequest", "webRequestBlocking", "https://example.com/"],
web_accessible_resources: ["test.html"],
},
files: {
"test.html":
"<!DOCTYPE html><html><head><title>Test add-on</title></head><body></body></html>",
},
background: () => {
let { browser } = this;
browser.webRequest.onHeadersReceived.addListener(
details => {
if (details.statusCode != 200) {
return undefined;
}
browser.test.sendMessage("redir-handled");
return { redirectUrl: browser.runtime.getURL("test.html") };
},
{
urls: ["https://example.com/"],
types: ["main_frame"],
},
["blocking"]
);
},
});
await extension.startup();
await BrowserTestUtils.withNewTab("about:home", async function (browser) {
await doLoadAndGoBack(browser, extension);
await SpecialPowers.spawn(browser, [], () => {
is(
content.document.documentURI,
"about:home",
"Gone back to the right page"
);
});
await doLoadAndGoBack(browser, extension);
await SpecialPowers.spawn(browser, [], () => {
is(
content.document.documentURI,
"about:home",
"Gone back to the right page"
);
});
});
await extension.unload();
});
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