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Test Info:
add_task(async function () {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: "data:text/html,<!DOCTYPE html><html><body><input id='i'></body></html>",
},
async function (browser) {
await SpecialPowers.spawn(browser, [""], function () {
let tttp = Cc[
"@mozilla.org/embedcomp/default-tooltiptextprovider;1"
].getService(Ci.nsITooltipTextProvider);
let i = content.document.getElementById("i");
ok(
!tttp.getNodeText(i, {}, {}),
"No tooltip should be shown when @title is null"
);
i.title = "foo";
ok(
tttp.getNodeText(i, {}, {}),
"A tooltip should be shown when @title is not the empty string"
);
i.pattern = "bar";
ok(
tttp.getNodeText(i, {}, {}),
"A tooltip should be shown when @title is not the empty string"
);
});
}
);
});