| <!doctype html> |
| <title>Navigating to a same-document text fragment directive</title> |
| <meta charset=utf-8> |
| <link rel="help" href="https://wicg.github.io/ScrollToTextFragment/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script> |
| function isInView(element) { |
| let rect = element.getBoundingClientRect(); |
| return rect.top >= 0 && rect.top <= window.innerHeight; |
| } |
| |
| function checkScroll(resolve) { |
| let position = 'unknown'; |
| if (window.scrollY == 0) |
| position = 'top'; |
| else if (isInView(document.getElementById('text'))) |
| position = 'text'; |
| |
| resolve(position); |
| } |
| |
| function runTest() { |
| promise_test(t => new Promise(resolve => { |
| window.location.href = "#:~:text=test"; |
| requestAnimationFrame(function() { |
| checkScroll(resolve); |
| }); |
| }).then(position => { |
| assert_equals(position, 'top'); |
| assert_equals(window.location.href.indexOf(':~:'), -1, 'Expected fragment directive to be stripped from the URL.'); |
| }), 'Test that a text fragment directive cannot be activated on a same-document navigation'); |
| |
| promise_test(t => new Promise(resolve => { |
| window.location.href = "#text"; |
| requestAnimationFrame(function() { |
| checkScroll(resolve); |
| }); |
| }).then(position => { |
| assert_equals(position, 'text'); |
| }), 'Sanity check that the text element can be navigated by element ID'); |
| } |
| </script> |
| <style> |
| body { |
| height: 3200px; |
| } |
| #text { |
| position: absolute; |
| top: 3000px; |
| } |
| </style> |
| <body onload="runTest()"> |
| <p id="text">This is a test page</p> |
| </body> |
