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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* Test that links opening a new window from a content tab always get a new
* tab, even if an existing content tab is showing about:blank.
*/
const tabmail = document.getElementById("tabmail");
add_task(async function test_sandboxed_link_opens_new_tabs() {
registerCleanupFunction(() => {
while (tabmail.tabInfo.length > 1) {
tabmail.closeTab(1);
}
});
const url = getRootDirectory(gTestPath) + "files/sandboxedLink.html";
const sourceTab = tabmail.openTab("contentTab", { url, linkHandler: null });
await BrowserTestUtils.browserLoaded(sourceTab.browser, false, url);
Assert.ok(
!sourceTab.browser.isRemoteBrowser,
"source tab should be in the parent process"
);
const blankTab = tabmail.openTab("contentTab", {
background: true,
url: "about:blank",
});
const iframe = sourceTab.browser.contentDocument.querySelector("iframe");
await TestUtils.waitForCondition(
() => iframe.contentDocument?.getElementById("link"),
"sandboxed link should be ready"
);
const openedTabs = [];
for (let i = 0; i < 2; i++) {
tabmail.switchToTab(sourceTab);
const tabCount = tabmail.tabInfo.length;
EventUtils.synthesizeMouseAtCenter(
iframe.contentDocument.getElementById("link"),
{},
iframe.contentWindow
);
await TestUtils.waitForCondition(
() => tabmail.tabInfo.length == tabCount + 1,
"clicking the link should open a new tab"
);
const newTab = tabmail.tabInfo.at(-1);
Assert.notEqual(newTab, blankTab, "about:blank tab should not be reused");
Assert.ok(
!openedTabs.includes(newTab),
"previously opened tab should not be reused"
);
Assert.equal(
newTab.browser.browsingContext.opener,
iframe.browsingContext,
"new tab should be opened by the sandboxed frame"
);
openedTabs.push(newTab);
}
});