| Index: third_party/WebKit/LayoutTests/intersection-observer/same-document-root.html
|
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/same-document-root.html b/third_party/WebKit/LayoutTests/intersection-observer/same-document-root.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..09b9d6b2b83712de2cf0f70678266e9ff86bb35f
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/same-document-root.html
|
| @@ -0,0 +1,102 @@
|
| +<!DOCTYPE html>
|
| +<div style="width:100%;height:700px;"></div>
|
| +<div id="root" style="display: inline-block; overflow-y: scroll; height: 200px;">
|
| + <div style="width:100px; height: 300px;"></div>
|
| + <div id="target" style="width:100px; height:100px"></div>
|
| +</div>
|
| +<div style="width:100%;height:700px;"></div>
|
| +
|
| +<script src="../resources/js-test.js"></script>
|
| +<script src="helper-functions.js"></script>
|
| +<script>
|
| + description("Simple intersection observer test with explicit root and target in the same document.");
|
| + var target = document.getElementById("target");
|
| + var root = document.getElementById("root");
|
| + var entries = [];
|
| +
|
| + observer_callback = function(changes) {
|
| + for (var i in changes)
|
| + entries.push(changes[i]);
|
| + };
|
| + var observer = new IntersectionObserver(observer_callback, {"root": document.getElementById("root")});
|
| + observer.observe(target);
|
| +
|
| + // Test that notifications are not generated when the target is overflow clipped by the root.
|
| + var expected0 = [];
|
| + function step0() {
|
| + setTimeout(function() {
|
| + checkResults(expected0, "entries");
|
| + document.scrollingElement.scrollTop = 600;
|
| + requestAnimationFrame(step1);
|
| + });
|
| + }
|
| +
|
| + var expected1 = [];
|
| + function step1() {
|
| + setTimeout(function() {
|
| + checkResults(expected1, "entries");
|
| + checkResults([], "entries");
|
| + root.scrollTop = 150;
|
| + requestAnimationFrame(step2);
|
| + });
|
| + }
|
| +
|
| + var expected2 = [
|
| + {
|
| + 'boundingClientRect': [ 8, 108, 258, 358 ],
|
| + 'intersectionRect': [ 8, 108, 258, 308 ],
|
| + 'rootBounds' : [ 8, 108, 108, 308 ],
|
| + 'target': target
|
| + }
|
| + ];
|
| + function step2() {
|
| + setTimeout(function() {
|
| + checkResults(expected2, "entries");
|
| + document.scrollingElement.scrollTop = 0;
|
| + requestAnimationFrame(step3);
|
| + });
|
| + }
|
| +
|
| + var expected3 = expected2;
|
| + function step3() {
|
| + setTimeout(function() {
|
| + checkResults(expected3, "entries", 1);
|
| + root.scrollTop = 0;
|
| + requestAnimationFrame(step4);
|
| + });
|
| + }
|
| +
|
| + var expected4 = Array.prototype.concat(expected3, [
|
| + {
|
| + 'boundingClientRect': [ 8, 108, 1008, 1108 ],
|
| + 'intersectionRect': [ 0, 0, 0, 0 ],
|
| + 'rootBounds' : [ 8, 108, 708, 908 ],
|
| + 'target': target
|
| + }
|
| + ]);
|
| + function step4() {
|
| + setTimeout(function() {
|
| + checkResults(expected4, "entries", 1);
|
| + root.scrollTop = 150;
|
| + requestAnimationFrame(step5);
|
| + });
|
| + }
|
| +
|
| + // This tests that notifications are generated even when the root element is off screen.
|
| + var expected5 = Array.prototype.concat(expected4, [
|
| + {
|
| + 'boundingClientRect': [ 8, 108, 858, 958 ],
|
| + 'intersectionRect': [ 8, 108, 858, 908 ],
|
| + 'rootBounds' : [ 8, 108, 708, 908 ],
|
| + 'target': target
|
| + }
|
| + ]);
|
| + function step5() {
|
| + setTimeout(function() {
|
| + checkResults(expected5, "entries", 2);
|
| + finishTest();
|
| + });
|
| + }
|
| +
|
| + requestAnimationFrame(step0);
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 1449623002:
IntersectionObserver: second cut. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src@master