38 lines
1.5 KiB
HTML
38 lines
1.5 KiB
HTML
<!doctype html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="return-value/resources/helpers.js"></script>
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<iframe id="i" src="/common/blank.html?startI" sandbox="allow-scripts allow-same-origin"></iframe>
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<script>
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// Intended setup:
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// Step 0:
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// - Parent: (current URL)
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// - i: /common/blank.html?startI
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// Step 1:
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// - Parent: (current URL)
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// - i: resources/navigation-back.html
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// Step 2:
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// - Parent: (current URL)#end
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// - i: resources/navigation-back.html
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//
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// Then, calling navigation.back() in i will take is from step 2 to step 0, which would navigate the parent.
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// That is not allowed, so the call to back() must reject.
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promise_test(async t => {
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await new Promise(resolve => window.onload = resolve);
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i.contentWindow.location.href = new URL("resources/navigation-back.html", location.href);
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await new Promise(resolve => i.onload = resolve);
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location.hash = "#end";
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await new Promise(resolve => window.onhashchange = resolve);
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navigation.onnavigate = t.unreached_func("navigate must not fire");
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navigation.onnavigateerror = t.unreached_func("navigateerror must not fire");
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window.onpopstate = t.unreached_func("popstate must not fire");
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window.onhashchange = t.unreached_func("hashchange must not fire");
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await assertBothRejectDOM(t, i.contentWindow.doNavigationBack(), "SecurityError", i.contentWindow);
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}, "A sandboxed iframe cannot navigate its parent via its own navigation object by using back()");
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</script>
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