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