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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> |
5 #root { | 7 pre, #log { |
6 display: inline-block; | 8 position: absolute; |
7 overflow-y: scroll; | 9 top: 0; |
8 height: 200px; | 10 left: 200px; |
9 border: 3px solid black; | |
10 } | 11 } |
11 #target { | 12 #target { |
12 background-color: green; | 13 background-color: green; |
13 width: 100px; | 14 width: 100px; |
14 height: 100px; | 15 height: 100px; |
15 } | 16 } |
16 </style> | 17 </style> |
17 <div style="width:100%; height:700px;"></div> | 18 |
18 <div id="root"> | 19 <div id="target"></div> |
19 <div style="width:100px; height: 300px;"></div> | |
20 <div id="target"></div> | |
21 <div style="width:100%;height:700px;"></div> | |
22 </div> | |
23 <div style="width:100%;height:700px;"></div> | |
24 | 20 |
25 <script> | 21 <script> |
26 description("Test that setting display:none will send a not-intersecting notific
ation."); | |
27 var target = document.getElementById("target"); | |
28 var root = document.getElementById("root"); | |
29 var entries = []; | 22 var entries = []; |
30 var observer = new IntersectionObserver( | |
31 changes => { entries = entries.concat(changes) }, | |
32 { root: document.getElementById("root") } | |
33 ); | |
34 | 23 |
35 onload = function() { | 24 runTestCycle(function() { |
| 25 assert_equals(window.innerWidth, 800, "Window must be 800 pixels wide."); |
| 26 assert_equals(window.innerHeight, 600, "Window must be 600 pixels high."); |
| 27 |
| 28 var target = document.getElementById("target"); |
| 29 var root = document.getElementById("root"); |
| 30 var observer = new IntersectionObserver(function(changes) { |
| 31 entries = entries.concat(changes) |
| 32 }); |
36 observer.observe(target); | 33 observer.observe(target); |
37 entries = entries.concat(observer.takeRecords()); | 34 entries = entries.concat(observer.takeRecords()); |
38 shouldBeEqualToNumber("entries.length", 0); | 35 assert_equals(entries.length, 0, "No initial notifications."); |
39 waitForNotification(step0); | 36 runTestCycle(step0, "Intersecting notification after first rAF."); |
40 } | 37 }, "IntersectionObserver should send a not-intersecting notification for a targe
t that gets display:none."); |
41 | 38 |
42 function step0() { | 39 function step0() { |
43 shouldBeEqualToNumber("entries.length", 0); | 40 runTestCycle(step1, "Not-intersecting notification after setting display:none
on target."); |
44 document.scrollingElement.scrollTop = 600; | 41 checkLastEntry(entries, 0, [8, 108, 8, 108, 8, 108, 8, 108, 0, 800, 0, 600, ta
rget]); |
45 waitForNotification(step1); | 42 target.style.display = "none"; |
46 } | 43 } |
47 | 44 |
48 function step1() { | 45 function step1() { |
49 shouldBeEqualToNumber("entries.length", 0); | 46 runTestCycle(step2, "Intersecting notification after removing display:none on
target."); |
50 root.scrollTop = 150; | 47 checkLastEntry(entries, 1, [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, target]); |
51 waitForNotification(step2); | 48 target.style.display = ""; |
52 } | 49 } |
53 | 50 |
54 function step2() { | 51 function step2() { |
55 shouldBeEqualToNumber("entries.length", 1); | 52 checkLastEntry(entries, 2, [8, 108, 8, 108, 8, 108, 8, 108, 0, 800, 0, 600, ta
rget]); |
56 if (entries.length > 0) { | |
57 shouldBeEqualToNumber("entries[0].boundingClientRect.left", 11); | |
58 shouldBeEqualToNumber("entries[0].boundingClientRect.right", 111); | |
59 shouldBeEqualToNumber("entries[0].boundingClientRect.top", 261); | |
60 shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 361); | |
61 shouldBeEqualToNumber("entries[0].intersectionRect.left", 11); | |
62 shouldBeEqualToNumber("entries[0].intersectionRect.right", 111); | |
63 shouldBeEqualToNumber("entries[0].intersectionRect.top", 261); | |
64 shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 311); | |
65 shouldBeEqualToNumber("entries[0].rootBounds.left", 11); | |
66 shouldBeEqualToNumber("entries[0].rootBounds.right", 111); | |
67 shouldBeEqualToNumber("entries[0].rootBounds.top", 111); | |
68 shouldBeEqualToNumber("entries[0].rootBounds.bottom", 311); | |
69 shouldEvaluateToSameObject("entries[0].target", target); | |
70 } | |
71 target.style.display = "none"; | |
72 waitForNotification(step3); | |
73 } | |
74 | |
75 function step3() { | |
76 shouldBeEqualToNumber("entries.length", 2); | |
77 if (entries.length > 1) { | |
78 shouldBeEqualToNumber("entries[1].boundingClientRect.left", 0); | |
79 shouldBeEqualToNumber("entries[1].boundingClientRect.right", 0); | |
80 shouldBeEqualToNumber("entries[1].boundingClientRect.top", 0); | |
81 shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", 0); | |
82 shouldBeEqualToNumber("entries[1].intersectionRect.left", 0); | |
83 shouldBeEqualToNumber("entries[1].intersectionRect.right", 0); | |
84 shouldBeEqualToNumber("entries[1].intersectionRect.top", 0); | |
85 shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 0); | |
86 shouldBeEqualToNumber("entries[1].rootBounds.left", 0); | |
87 shouldBeEqualToNumber("entries[1].rootBounds.right", 0); | |
88 shouldBeEqualToNumber("entries[1].rootBounds.top", 0); | |
89 shouldBeEqualToNumber("entries[1].rootBounds.bottom", 0); | |
90 shouldEvaluateToSameObject("entries[1].target", target); | |
91 } | |
92 target.style.display = ""; | |
93 waitForNotification(step4); | |
94 } | |
95 | |
96 function step4() { | |
97 shouldBeEqualToNumber("entries.length", 3); | |
98 if (entries.length > 2) { | |
99 shouldBeEqualToNumber("entries[2].boundingClientRect.left", 11); | |
100 shouldBeEqualToNumber("entries[2].boundingClientRect.right", 111); | |
101 shouldBeEqualToNumber("entries[2].boundingClientRect.top", 261); | |
102 shouldBeEqualToNumber("entries[2].boundingClientRect.bottom", 361); | |
103 shouldBeEqualToNumber("entries[2].intersectionRect.left", 11); | |
104 shouldBeEqualToNumber("entries[2].intersectionRect.right", 111); | |
105 shouldBeEqualToNumber("entries[2].intersectionRect.top", 261); | |
106 shouldBeEqualToNumber("entries[2].intersectionRect.bottom", 311); | |
107 shouldBeEqualToNumber("entries[2].rootBounds.left", 11); | |
108 shouldBeEqualToNumber("entries[2].rootBounds.right", 111); | |
109 shouldBeEqualToNumber("entries[2].rootBounds.top", 111); | |
110 shouldBeEqualToNumber("entries[2].rootBounds.bottom", 311); | |
111 shouldEvaluateToSameObject("entries[2].target", target); | |
112 } | |
113 | |
114 finishJSTest(); | |
115 } | 53 } |
116 </script> | 54 </script> |
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