28 lines
890 B
HTML
28 lines
890 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<meta name="timeout" content="long">
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<title>NDEFReader.write respect page visibility changes</title>
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<link rel="help" href="https://w3c.github.io/web-nfc/#visible-document">
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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="resources/nfc-helpers.js"></script>
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<script>
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promise_test(async t => {
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const writer = new NDEFReader();
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const p1 = writer.write(test_text_data);
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return await new Promise((resolve, reject) => {
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p1.then(() => {
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assert_false(document.hidden);
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resolve();
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}).catch(e => {
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reject();
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});
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});
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}, "Test NDEFReader.write operation should be suspended when document is not visible");
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</script>
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<p>Step1: switch the page to the background, then tap an NFC tag.</p>
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<p>Step2: switch back to the page, then tap the tag again.</p>
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