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<!doctype html>
<meta charset=utf-8>
<title>Test behavior of rel="noopener" links</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<iframe name="oursubframe"></iframe>
<a href="support/noopener-target-2.html" rel="noopener" target="ourpopup"></a>
<a href="support/noopener-target-2.html" rel="noopener" target="oursubframe"></a>
<script>
var tests = [];
// First test the special targets
function target1Loaded(win) {
// Find the relevant test
var test = tests.find((t) => t.openedWindow == win);
test.step(function() {
assert_equals(win.opener, window);
win.close();
test.done();
});
}
/**
* Test that <a rel="noopener"> targeted at one of _self, _parent, _top does the
* load in the appropriate existing browsing context instead of opening a new
* one. The test is run in a separate popup window we open and which we can
* navigate without causing the test harness going into conniptions.
*/
for (var target of ["self", "parent", "top"]) {
var t = async_test("Check that rel=noopener with target=_" + target + " does a normal load");
tests.push(t);
t.openedWindow = window.open("support/noopener-popup.html");
t.targetName = target;
t.openedWindow.onload = t.step_func(function() {
this.openedWindow.findLink(this.targetName).click();
});
}
/**
* And now check that a noopener load targeted at something other than one of
* the three special targets above is still able to reuse existing things with the
* given name. We do this in two ways. First, by opening a window named
* "ourpopup" and then doing a load via <a rel="noopener" target="ourpopup"> and
* verifying that the load happens in a window with a null opener, etc, while
* the opener of the thing we opened is not modified. And second, by targeting
* <a rel="noopener"> at a name that an existing subframe has, and ensuring that
* this subframe is not navigated.
*/
var t1 = async_test("Check that targeting of rel=noopener with a given name reuses an existing window with that name");
var w;
t1.add_cleanup(function() { w.close(); });
var channel = new BroadcastChannel("ourpopup");
channel.onmessage = t1.step_func_done(function(e) {
var data = e.data;
assert_true(data.hasOpener);
assert_false(data.hasParent);
assert_equals(data.name, "ourpopup");
assert_equals(w.opener, window);
assert_not_equals(w.location.href, "about:blank");
});
t1.step(function() {
w = window.open("", "ourpopup");
assert_equals(w.opener, window);
document.querySelectorAll("a")[0].click();
});
var t2 = async_test("Check that targeting of rel=noopener with a given name reuses an existing subframe with that name");
var channel = new BroadcastChannel("oursubframe");
channel.onmessage = t2.step_func_done(function(e) {
var data = e.data;
assert_false(data.hasOpener);
assert_true(data.hasParent);
assert_equals(data.name, "oursubframe");
assert_not_equals(document.querySelector("iframe").contentWindow.location.href,
"about:blank");
});
t2.step(function() {
document.querySelectorAll("a")[1].click();
});
</script>
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