third_party/WebKit/LayoutTests/intersection-observer/root-margin.html - Issue 1449623002: IntersectionObserver: second cut.

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Issue 1449623002: IntersectionObserver: second cut. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@master

Patch Set: Add missing break, rebaseline, no config.h Created 5 years ago

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	1 <!DOCTYPE html>

	2 <script src="../resources/js-test.js"></script>

	3 <script src="helper-functions.js"></script>

	4 <div style="width:100%; height:700px;"></div>

	5 <div style="white-space: nowrap;">

	6 <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 style="display: inline-block; width: 1000px; height: 100px"></div>

	9 </div>

	10 <div style="width:100%; height:700px;"></div>

	11

	12 <script>

	13 description("Intersection observer test with root margin and implicit root.");

	14 var target = document.getElementById("target");

	15 var entries = [];

	16

	17 observer_callback = function(changes) {

	18 for (var i in changes)

	19 entries.push(changes[i]);

	20 };

	21 var observer = new IntersectionObserver(observer_callback, {

	22 rootMargin: "10px 20% 40% 30px"

	23 });

	24 observer.observe(target);

	25

	26 // TODO(szager): It shouldn't be necessary to RAF after the call to observer()

	27 // and before changing the scroll position, but it is.

	28

	29 function step0() {

	30 setTimeout(function() {

	31 shouldBeEqualToNumber("entries.length", 0);

	32 document.scrollingElement.scrollLeft = 100;

	33 requestAnimationFrame(step1);

	34 });

	35 }

	36

	37 function step1() {

	38 setTimeout(function() {

	39 shouldBeEqualToNumber("entries.length", 1);

	40 shouldBeEqualToNumber("entries[0].boundingClientRect.left", 912);

	41 shouldBeEqualToNumber("entries[0].boundingClientRect.right", 1012);

	42 shouldBeEqualToNumber("entries[0].boundingClientRect.top", 708);

	43 shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 808);

	44 shouldBeEqualToNumber("entries[0].intersectionRect.left", 912);

	45 shouldBeEqualToNumber("entries[0].intersectionRect.right", 942);

	46 shouldBeEqualToNumber("entries[0].intersectionRect.top", 708);

	47 shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 808);

	48 shouldBeEqualToNumber("entries[0].rootBounds.left", -30);

	49 shouldBeEqualToNumber("entries[0].rootBounds.right", 942);

	50 shouldBeEqualToNumber("entries[0].rootBounds.top", -10);

	51 shouldBeEqualToNumber("entries[0].rootBounds.bottom", 819);

	52 shouldEvaluateToSameObject("entries[0].target", target);

	53 document.scrollingElement.scrollTop = 800;

	54 requestAnimationFrame(step2);

	55 });

	56 }

	57

	58 function step2() {

	59 setTimeout(function() {

	60 shouldBeEqualToNumber("entries.length", 1);

	61 document.scrollingElement.scrollTop = 900;

	62 requestAnimationFrame(step3);

	63 });

	64 }

	65

	66 function step3() {

	67 setTimeout(function() {

	68 shouldBeEqualToNumber("entries.length", 2);

	69 shouldBeEqualToNumber("entries[1].boundingClientRect.left", 912);

	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 finishTest();

	83 document.scrollingElement.scrollLeft = 0;

	84 document.scrollingElement.scrollTop = 0;

	85 });

	86 }

	87

	88 requestAnimationFrame(step0);

	89 </script>

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