| OLD | NEW |
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <script src="../resources/js-test.js"></script> | 2 <script src="../resources/testharness.js"></script> |
| 3 <script src="../resources/intersection-observer-helper-functions.js"></script> | 3 <script src="../resources/testharnessreport.js"></script> |
| 4 <script src="./resources/intersection-observer-test-utils.js"></script> |
| 5 |
| 4 <style> | 6 <style> |
| 7 pre, #log { |
| 8 position: absolute; |
| 9 top: 0; |
| 10 left: 200px; |
| 11 } |
| 5 #root { | 12 #root { |
| 6 overflow: visible; | 13 overflow: visible; |
| 7 height: 200px; | 14 height: 200px; |
| 8 width: 200px; | 15 width: 160px; |
| 9 border: 7px solid black; | 16 border: 7px solid black; |
| 10 } | 17 } |
| 11 #target { | 18 #target { |
| 12 width: 100px; | 19 width: 100px; |
| 13 height: 100px; | 20 height: 100px; |
| 14 background-color: green; | 21 background-color: green; |
| 15 } | 22 } |
| 16 </style> | 23 </style> |
| 24 |
| 17 <div id="root"> | 25 <div id="root"> |
| 18 <div id="target" style="transform: translateY(300px)"></div> | 26 <div id="target" style="transform: translateY(300px)"></div> |
| 19 </div> | 27 </div> |
| 20 | 28 |
| 21 <script> | 29 <script> |
| 22 description("Test that border bounding box is used to calculate intersection wit
h a non-scrolling root."); | |
| 23 var target = document.getElementById("target"); | |
| 24 var root = document.getElementById("root"); | |
| 25 var entries = []; | 30 var entries = []; |
| 26 var observer = new IntersectionObserver( | 31 var target; |
| 27 changes => { entries.push(...changes) }, | |
| 28 { root: document.getElementById("root") } | |
| 29 ); | |
| 30 | 32 |
| 31 onload = function() { | 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}); |
| 32 observer.observe(target); | 41 observer.observe(target); |
| 33 entries.push(...observer.takeRecords()); | 42 entries = entries.concat(observer.takeRecords()); |
| 34 shouldBeEqualToNumber("entries.length", 0); | 43 assert_equals(entries.length, 0, "No initial notifications."); |
| 35 waitForNotification(step0); | 44 runTestCycle(step0, "First rAF should not generate notifications."); |
| 36 } | 45 }, "Test that border bounding box is used to calculate intersection with a non-s
crolling root."); |
| 37 | 46 |
| 38 function step0() { | 47 function step0() { |
| 39 shouldBeEqualToNumber("entries.length", 0); | |
| 40 target.style.transform = "translateY(195px)"; | 48 target.style.transform = "translateY(195px)"; |
| 41 waitForNotification(step1); | 49 runTestCycle(step1, "target.style.transform = 'translateY(195px)'"); |
| 50 assert_equals(entries.length, 0, "No notifications after first rAF."); |
| 42 } | 51 } |
| 43 | 52 |
| 44 function step1() { | 53 function step1() { |
| 45 shouldBeEqualToNumber("entries.length", 1); | 54 target.style.transform = ""; |
| 46 if (entries.length > 0) { | 55 checkEntry(entries, 0, [15, 115, 210, 310, 15, 115, 210, 222, 8, 182, 8, 222,
target]); |
| 47 shouldBeEqualToNumber("entries[0].boundingClientRect.left", 15); | |
| 48 shouldBeEqualToNumber("entries[0].boundingClientRect.right", 115); | |
| 49 shouldBeEqualToNumber("entries[0].boundingClientRect.top", 210); | |
| 50 shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 310); | |
| 51 shouldBeEqualToNumber("entries[0].intersectionRect.left", 15); | |
| 52 shouldBeEqualToNumber("entries[0].intersectionRect.right", 115); | |
| 53 shouldBeEqualToNumber("entries[0].intersectionRect.top", 210); | |
| 54 shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 222); | |
| 55 shouldBeEqualToNumber("entries[0].rootBounds.left", 8); | |
| 56 shouldBeEqualToNumber("entries[0].rootBounds.right", 222); | |
| 57 shouldBeEqualToNumber("entries[0].rootBounds.top", 8); | |
| 58 shouldBeEqualToNumber("entries[0].rootBounds.bottom", 222); | |
| 59 shouldEvaluateToSameObject("entries[0].target", target); | |
| 60 } | |
| 61 | |
| 62 finishJSTest(); | |
| 63 } | 56 } |
| 64 </script> | 57 </script> |
| OLD | NEW |