| Tobias Schneider | 9a6600e | 2017-06-28 17:46:45 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <script src="/resources/testharness.js"></script> |
| 3 | <script src="/resources/testharnessreport.js"></script> |
| 4 | <script src="./resources/intersection-observer-test-utils.js"></script> |
| 5 | |
| 6 | <style> |
| 7 | pre, #log { |
| 8 | position: absolute; |
| 9 | top: 0; |
| 10 | left: 200px; |
| 11 | } |
| 12 | #root { |
| 13 | overflow: visible; |
| 14 | height: 200px; |
| 15 | width: 160px; |
| 16 | border: 7px solid black; |
| 17 | } |
| 18 | #target { |
| 19 | width: 100px; |
| 20 | height: 100px; |
| 21 | background-color: green; |
| 22 | } |
| 23 | </style> |
| 24 | |
| 25 | <div id="root"> |
| 26 | <div id="target" style="transform: translateY(300px)"></div> |
| 27 | </div> |
| 28 | |
| 29 | <script> |
| 30 | var entries = []; |
| 31 | var target; |
| 32 | |
| 33 | runTestCycle(function() { |
| 34 | target = document.getElementById("target"); |
| 35 | assert_true(!!target, "target exists"); |
| 36 | var root = document.getElementById("root"); |
| 37 | assert_true(!!root, "root exists"); |
| 38 | var observer = new IntersectionObserver(function(changes) { |
| 39 | entries = entries.concat(changes) |
| 40 | }, {root: root}); |
| 41 | observer.observe(target); |
| 42 | entries = entries.concat(observer.takeRecords()); |
| 43 | assert_equals(entries.length, 0, "No initial notifications."); |
| 44 | runTestCycle(step0, "First rAF."); |
| 45 | }, "Test that border bounding box is used to calculate intersection with a non-scrolling root."); |
| 46 | |
| 47 | function step0() { |
| 48 | target.style.transform = "translateY(195px)"; |
| 49 | runTestCycle(step1, "target.style.transform = 'translateY(195px)'"); |
| 50 | checkLastEntry(entries, 0, [15, 115, 315, 415, 0, 0, 0, 0, 8, 182, 8, 222, false]); |
| 51 | } |
| 52 | |
| 53 | function step1() { |
| 54 | target.style.transform = ""; |
| 55 | checkLastEntry(entries, 1, [15, 115, 210, 310, 15, 115, 210, 222, 8, 182, 8, 222, true]); |
| 56 | } |
| 57 | </script> |
