third_party/WebKit/LayoutTests/intersection-observer/iframe-no-root.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 RuntimeEnabled flags to all idl's, fix test expectations. Created 4 years, 11 months 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 <iframe id="target-iframe" src="../resources/intersection-observer-subframe.html " style="height: 100px; overflow-y: scroll"></iframe>

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

	7

	8 <script>

	9 description("Simple intersection observer test with no explicit root and target in an iframe.");

	10 var entries = [];

	11 var targetIframe = document.getElementById("target-iframe");

	12

	13 targetIframe.onload = function() {

	14 var target = targetIframe.contentDocument.getElementById("target");

	15 var iframeScroller = targetIframe.contentDocument.scrollingElement;

	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 observer.observe(target);

	23

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

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

	26

	27 function step0() {

	28 setTimeout(function() {

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

	30 document.scrollingElement.scrollTop = 200;

	31 requestAnimationFrame(step1);

	32 });

	33 }

	34

	35 function step1() {

	36 setTimeout(function() {

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

	38 iframeScroller.scrollTop = 250;

	39 requestAnimationFrame(step2);

	40 });

	41 }

	42

	43 function step2() {

	44 setTimeout(function() {

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

	46 shouldBeEqualToNumber("entries[0].boundingClientRect.left", 18);

	47 shouldBeEqualToNumber("entries[0].boundingClientRect.right", 118);

	48 shouldBeEqualToNumber("entries[0].boundingClientRect.top", 468);

	49 shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 568);

	50 shouldBeEqualToNumber("entries[0].intersectionRect.left", 18);

	51 shouldBeEqualToNumber("entries[0].intersectionRect.right", 118);

	52 shouldBeEqualToNumber("entries[0].intersectionRect.top", 510);

	53 shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 568);

	54 shouldBeEqualToNumber("entries[0].rootBounds.left", 0);

	55 shouldBeEqualToNumber("entries[0].rootBounds.right", 785);

	56 shouldBeEqualToNumber("entries[0].rootBounds.top", 0);

	57 shouldBeEqualToNumber("entries[0].rootBounds.bottom", 600);

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

	59 document.scrollingElement.scrollTop = 100;

	60 requestAnimationFrame(step3);

	61 });

	62 }

	63

	64 function step3() {

	65 setTimeout(function() {

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

	67 shouldBeEqualToNumber("entries[1].boundingClientRect.left", 18);

	68 shouldBeEqualToNumber("entries[1].boundingClientRect.right", 118);

	69 shouldBeEqualToNumber("entries[1].boundingClientRect.top", 568);

	70 shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", 668);

	71 shouldBeEqualToNumber("entries[1].intersectionRect.left", 0);

	72 shouldBeEqualToNumber("entries[1].intersectionRect.right", 0);

	73 shouldBeEqualToNumber("entries[1].intersectionRect.top", 0);

	74 shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 0);

	75 shouldBeEqualToNumber("entries[1].rootBounds.left", 0);

	76 shouldBeEqualToNumber("entries[1].rootBounds.right", 785);

	77 shouldBeEqualToNumber("entries[1].rootBounds.top", 0);

	78 shouldBeEqualToNumber("entries[1].rootBounds.bottom", 600);

	79 shouldEvaluateToSameObject("entries[1].target", target);

	80 finishTest();

	81 document.scrollingElement.scrollTop = 0;

	82 });

	83 }

	84

	85 requestAnimationFrame(step0);

	86 }

	87 </script>

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