| Index: third_party/WebKit/LayoutTests/intersection-observer/shadow-content.html
|
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/shadow-content.html b/third_party/WebKit/LayoutTests/intersection-observer/shadow-content.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..7a990e30f803604f5774af20ae4425a5999ba42c
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/shadow-content.html
|
| @@ -0,0 +1,44 @@
|
| +<!DOCTYPE html>
|
| +<script src="../resources/js-test.js"></script>
|
| +<script src="../resources/intersection-observer-helper-functions.js"></script>
|
| +<div id="host"></div>
|
| +
|
| +<script>
|
| +description("Tests that observations can be made across shadow DOM boundaries.");
|
| +var entries = [];
|
| +var target;
|
| +var observer = new IntersectionObserver(changes => { entries = entries.concat(changes) });
|
| +
|
| +onload = function() {
|
| + let shadowHost = document.getElementById("host");
|
| + let shadowRoot = shadowHost.createShadowRoot();
|
| + target = document.createElement('div');
|
| + target.style.cssText = "background-color: green; width:100px; height:100px";
|
| + shadowRoot.appendChild(target);
|
| + observer.observe(target);
|
| +
|
| + entries = entries.concat(observer.takeRecords());
|
| + shouldBeEqualToNumber("entries.length", 0);
|
| + waitForNotification(step1);
|
| +};
|
| +
|
| +function step1() {
|
| + shouldBeEqualToNumber("entries.length", 1);
|
| + if (entries.length > 0) {
|
| + shouldBeEqualToNumber("entries[0].boundingClientRect.left", 8);
|
| + shouldBeEqualToNumber("entries[0].boundingClientRect.right", 108);
|
| + shouldBeEqualToNumber("entries[0].boundingClientRect.top", 8);
|
| + shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 108);
|
| + shouldBeEqualToNumber("entries[0].intersectionRect.left", 8);
|
| + shouldBeEqualToNumber("entries[0].intersectionRect.right", 108);
|
| + shouldBeEqualToNumber("entries[0].intersectionRect.top", 8);
|
| + shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 108);
|
| + shouldBeEqualToNumber("entries[0].rootBounds.left", 0);
|
| + shouldBeEqualToNumber("entries[0].rootBounds.right", 800);
|
| + shouldBeEqualToNumber("entries[0].rootBounds.top", 0);
|
| + shouldBeEqualToNumber("entries[0].rootBounds.bottom", 600);
|
| + shouldEvaluateToSameObject("entries[0].target", target);
|
| + }
|
| + finishJSTest();
|
| +}
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2298933003:
[IntersectionObserver] Enable observations across shadow DOM roots. (Closed)
