third_party/WebKit/LayoutTests/intersection-observer/client-rect.html - Issue 2046113002: IntersectionObserver: use border bounding box for target rect.

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Side by Side Diff: third_party/WebKit/LayoutTests/intersection-observer/client-rect.html

Issue 2046113002: IntersectionObserver: use border bounding box for target rect. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@master

Patch Set: Created 4 years, 6 months ago

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	1 <!DOCTYPE html>

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

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

	4 <iframe id="iframe" srcdoc="<div id='target'><div style='width:1000px;height:100 0px'></div></div>"></iframe>

	5 <script>

	6 description("Ensure that change.boundingClientRect matches change.target.getBoun dingClientRect() for a clipped element with overflow inside an iframe.");

	7

	8 var iframe = document.getElementById("iframe");

	9 var entries = [];

	10 var target;

	11

	12 iframe.onload = function() {

	13 target = iframe.contentDocument.getElementById("target");

	14 new IntersectionObserver((changes) => {

	15 entries.push(...changes);

	16 }).observe(target);

	17 waitForNotification(step0);

	18 };

	19

	20 function step0() {

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

	22 if (entries.length > 0) {

	23 shouldBe("entries[0].boundingClientRect.top", "target.getBoundingClientRect( ).top");

	24 shouldBe("entries[0].boundingClientRect.left", "target.getBoundingClientRect ().left");

	25 shouldBe("entries[0].boundingClientRect.width", "target.getBoundingClientRec t().width");

	26 shouldBe("entries[0].boundingClientRect.height", "target.getBoundingClientRe ct().height");

	27 }

	28 finishJSTest();

	29 }

	30 </script>

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