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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 <div style="width:100%; height:700px;"></div> | 4 |
| 5 <div style="white-space: nowrap;"> | 5 <div id="leading-space" style="width:100%; height:700px;"></div> |
| 6 <div style="white-space:nowrap;"> |
| 6 <div style="display: inline-block; width: 1000px; height: 100px"></div> | 7 <div style="display: inline-block; width: 1000px; height: 100px"></div> |
| 7 <div id="target" style="display: inline-block; background-color: green; width:
100px; height:100px"></div> | 8 <div id="target" style="display: inline-block; background-color: green; width:
100px; height:100px"></div> |
| 8 <div style="display: inline-block; width: 1000px; height: 100px"></div> | 9 <div style="display: inline-block; width: 1000px; height: 100px"></div> |
| 9 </div> | 10 </div> |
| 10 <div style="width:100%; height:700px;"></div> | 11 <div id="trailing-space" style="width:100%; height:700px;"></div> |
| 11 | 12 |
| 12 <script> | 13 <script> |
| 13 description("Intersection observer test with root margin and implicit root."); | 14 function waitForNotification(f) { |
| 14 var target = document.getElementById("target"); | 15 requestAnimationFrame(() => { |
| 15 var entries = []; | 16 setTimeout(() => { |
| 16 var observer = new IntersectionObserver( | 17 setTimeout(f); |
| 17 changes => { entries = entries.concat(changes) }, | 18 }); |
| 18 { rootMargin: "10px 20% 40% 30px" } | 19 }); |
| 19 ); | 20 } |
| 20 | |
| 21 shouldNotThrow("new IntersectionObserver(c => {}, { rootMargin: '1.4px' })"); | |
| 22 shouldNotThrow("new IntersectionObserver(c => {}, { rootMargin: '1.4px 2px' })")
; | |
| 23 shouldNotThrow("new IntersectionObserver(c => {}, { rootMargin: '1.4px 2px 3%' }
)"); | |
| 24 | 21 |
| 25 onload = function() { | 22 onload = function() { |
| 23 var t = async_test("Intersection observer test with root margin and implicit r
oot."); |
| 24 |
| 25 test(function() { assert_equals(window.innerWidth, 800) }, "Window must be 800
pixels wide."); |
| 26 test(function() { assert_equals(window.innerHeight, 600) }, "Window must be 60
0 pixels high."); |
| 27 |
| 28 var target = document.getElementById("target"); |
| 29 var entries = []; |
| 30 var observer = new IntersectionObserver(function(changes) { |
| 31 entries = entries.concat(changes) |
| 32 }, { rootMargin: "10px 20% 40% 30px" }); |
| 26 observer.observe(target); | 33 observer.observe(target); |
| 27 entries = entries.concat(observer.takeRecords()); | 34 entries = entries.concat(observer.takeRecords()); |
| 28 shouldBeEqualToNumber("entries.length", 0); | 35 test(function() { assert_equals(entries.length, 0) }, "No initial notification
s."); |
| 29 waitForNotification(step0); | 36 waitForNotification(step0); |
| 30 } | |
| 31 | 37 |
| 32 function step0() { | 38 function checkEntry(i, expected) { |
| 33 shouldBeEqualToNumber("entries.length", 0); | 39 test(function() { assert_equals(entries.length, i+1) }, String(i+1) + " noti
fication(s)."); |
| 34 document.scrollingElement.scrollLeft = 100; | 40 if (expected && entries.length > i) { |
| 35 waitForNotification(step1); | 41 test(function() { assert_equals(entries[i].boundingClientRect.left, expect
ed[0]) }, |
| 36 } | 42 "entries[" + i + "].boundingClientRect.left == " + expected[0]); |
| 43 test(function() { assert_equals(entries[i].boundingClientRect.right, expec
ted[1]) }, |
| 44 "entries[" + i + "].boundingClientRect.right == " + expected[1]); |
| 45 test(function() { assert_equals(entries[i].boundingClientRect.top, expecte
d[2]) }, |
| 46 "entries[" + i + "].boundingClientRect.top == " + expected[2]); |
| 47 test(function() { assert_equals(entries[i].boundingClientRect.bottom, expe
cted[3]) }, |
| 48 "entries[" + i + "].boundingClientRect.bottom == " + expected[3]); |
| 49 test(function() { assert_equals(entries[i].intersectionRect.left, expected
[4]) }, |
| 50 "entries[" + i + "].intersectionRect.left == " + expected[4]); |
| 51 test(function() { assert_equals(entries[i].intersectionRect.right, expecte
d[5]) }, |
| 52 "entries[" + i + "].intersectionRect.right == " + expected[5]); |
| 53 test(function() { assert_equals(entries[i].intersectionRect.top, expected[
6]) }, |
| 54 "entries[" + i + "].intersectionRect.top == " + expected[6]); |
| 55 test(function() { assert_equals(entries[i].intersectionRect.bottom, expect
ed[7]) }, |
| 56 "entries[" + i + "].intersectionRect.bottom == " + expected[7]); |
| 57 test(function() { assert_equals(entries[i].rootBounds.left, expected[8]) }
, |
| 58 "entries[" + i + "].rootBounds.left == " + expected[8]); |
| 59 test(function() { assert_equals(entries[i].rootBounds.right, expected[9])
}, |
| 60 "entries[" + i + "].rootBounds.right == " + expected[9]); |
| 61 test(function() { assert_equals(entries[i].rootBounds.top, expected[10]) }
, |
| 62 "entries[" + i + "].rootBounds.top == " + expected[10]); |
| 63 test(function() { assert_equals(entries[i].rootBounds.bottom, expected[11]
) }, |
| 64 "entries[" + i + "].rootBounds.bottom == " + expected[11]); |
| 65 test(function() { assert_true(entries[i].target === expected[12]) }, |
| 66 "entries[" + i + "].target === " + expected[12]); |
| 67 } |
| 68 } |
| 37 | 69 |
| 38 function step1() { | 70 function step0() { |
| 39 shouldBeEqualToNumber("entries.length", 1); | 71 test(function() { assert_equals(entries.length, 0) }, "No notifications afte
r first rAF."); |
| 40 if (entries.length > 0) { | 72 document.scrollingElement.scrollLeft = 100; |
| 41 shouldBeEqualToNumber("entries.length", 1); | 73 waitForNotification(step1); |
| 42 shouldBeEqualToNumber("entries[0].boundingClientRect.left", 912); | |
| 43 shouldBeEqualToNumber("entries[0].boundingClientRect.right", 1012); | |
| 44 shouldBeEqualToNumber("entries[0].boundingClientRect.top", 708); | |
| 45 shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 808); | |
| 46 shouldBeEqualToNumber("entries[0].intersectionRect.left", 912); | |
| 47 shouldBeEqualToNumber("entries[0].intersectionRect.right", 942); | |
| 48 shouldBeEqualToNumber("entries[0].intersectionRect.top", 708); | |
| 49 shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 808); | |
| 50 shouldBeEqualToNumber("entries[0].rootBounds.left", -30); | |
| 51 shouldBeEqualToNumber("entries[0].rootBounds.right", 942); | |
| 52 shouldBeEqualToNumber("entries[0].rootBounds.top", -10); | |
| 53 shouldBeEqualToNumber("entries[0].rootBounds.bottom", 819); | |
| 54 shouldEvaluateToSameObject("entries[0].target", target); | |
| 55 } | 74 } |
| 56 document.scrollingElement.scrollTop = 800; | |
| 57 waitForNotification(step2); | |
| 58 } | |
| 59 | 75 |
| 60 function step2() { | 76 function step1() { |
| 61 shouldBeEqualToNumber("entries.length", 1); | 77 checkEntry(0, [912, 1012, 708, 808, 912, 942, 708, 808, -30, 942, -10, 819,
target]); |
| 62 document.scrollingElement.scrollTop = 900; | 78 document.scrollingElement.scrollTop = 800; |
| 63 waitForNotification(step3); | 79 waitForNotification(step2); |
| 64 } | 80 } |
| 65 | 81 |
| 66 function step3() { | 82 function step2() { |
| 67 shouldBeEqualToNumber("entries.length", 2); | 83 checkEntry(0); |
| 68 if (entries.length > 1) { | 84 document.scrollingElement.scrollTop = 900; |
| 69 shouldBeEqualToNumber("entries[1].boundingClientRect.left", 912); | 85 waitForNotification(step3); |
| 70 shouldBeEqualToNumber("entries[1].boundingClientRect.right", 1012); | |
| 71 shouldBeEqualToNumber("entries[1].boundingClientRect.top", -192); | |
| 72 shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", -92); | |
| 73 shouldBeEqualToNumber("entries[1].intersectionRect.left", 0); | |
| 74 shouldBeEqualToNumber("entries[1].intersectionRect.right", 0); | |
| 75 shouldBeEqualToNumber("entries[1].intersectionRect.top", 0); | |
| 76 shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 0); | |
| 77 shouldBeEqualToNumber("entries[1].rootBounds.left", -30); | |
| 78 shouldBeEqualToNumber("entries[1].rootBounds.right", 942); | |
| 79 shouldBeEqualToNumber("entries[1].rootBounds.top", -10); | |
| 80 shouldBeEqualToNumber("entries[1].rootBounds.bottom", 819); | |
| 81 shouldEvaluateToSameObject("entries[1].target", target); | |
| 82 } | 86 } |
| 83 finishJSTest(); | 87 |
| 84 document.scrollingElement.scrollLeft = 0; | 88 function step3() { |
| 85 document.scrollingElement.scrollTop = 0; | 89 checkEntry(1, [912, 1012, -192, -92, 0, 0, 0, 0, -30, 942, -10, 819, target]
); |
| 86 } | 90 document.getElementById("leading-space").style.height = ""; |
| 91 document.getElementById("trailing-space").style.height = ""; |
| 92 document.scrollingElement.scrollLeft = 0; |
| 93 document.scrollingElement.scrollTop = 0; |
| 94 t.done(); |
| 95 } |
| 96 }; |
| 87 </script> | 97 </script> |
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