30 lines
1 KiB
HTML
30 lines
1 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>IntersectionObserver reports the exception from its callback in the callback's global object</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<iframe srcdoc='<div style="height: 100px;">foo</div>'></iframe>
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<iframe></iframe>
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<iframe></iframe>
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<script>
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setup({ allow_uncaught_exception: true });
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const onerrorCalls = [];
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window.onerror = () => { onerrorCalls.push("top"); };
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frames[0].onerror = () => { onerrorCalls.push("frame0"); };
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frames[1].onerror = () => { onerrorCalls.push("frame1"); };
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frames[2].onerror = () => { onerrorCalls.push("frame2"); };
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async_test(t => {
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window.onload = t.step_func(() => {
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const target = frames[0].document.querySelector("div");
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const io = new frames[0].IntersectionObserver(new frames[1].Function(`throw new parent.frames[2].Error("PASS");`));
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io.observe(target);
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t.step_timeout(() => {
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assert_array_equals(onerrorCalls, ["frame1"]);
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t.done();
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}, 100);
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});
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});
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</script>
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