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add_task(function*() {
yield BrowserTestUtils.withNewTab({
gBrowser,
url: "data:text/html,<!DOCTYPE html><html><body><input id='i'></body></html>",
}, function*(browser) {
yield ContentTask.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");
});
});
});
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