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Unified Diff: third_party/WebKit/LayoutTests/intersection-observer/iframe-no-root.html

Issue 1449623002: IntersectionObserver: second cut. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@master
Patch Set: Fix rootMargin parsing Created 5 years ago
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Index: third_party/WebKit/LayoutTests/intersection-observer/iframe-no-root.html
diff --git a/third_party/WebKit/LayoutTests/intersection-observer/iframe-no-root.html b/third_party/WebKit/LayoutTests/intersection-observer/iframe-no-root.html
new file mode 100644
index 0000000000000000000000000000000000000000..1665fd3444213d513657bf4ca0883b3bb8d94861
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/intersection-observer/iframe-no-root.html
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<div style="width:100%;height:700px;"></div>
+<iframe id="target-iframe" src="subframe.html" style="height: 100px; overflow-y: scroll" onload="runtests()"></iframe>
+<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 no explicit root and target in an iframe.");
+var entries = [];
+
+function runtests() {
+ var targetIframe = document.getElementById("target-iframe");
+ var target = targetIframe.contentDocument.getElementById("target");
+ var iframeScroller = targetIframe.contentDocument.scrollingElement;
+
+ observer_callback = function(changes) {
+ for (var i in changes)
+ entries.push(changes[i]);
+ };
+ var observer = new IntersectionObserver(observer_callback, {});
+ observer.observe(target);
+
+ // TODO: It shouldn't be necessary to RAF after the call to observer()
+ // and before changing the scroll position, but it is.
+
+ var expected0 = [];
+ function step0() {
+ setTimeout(function() {
+ checkResults(expected0, "entries");
+ document.scrollingElement.scrollTop = 200;
+ requestAnimationFrame(step1);
+ });
+ }
+
+ var expected1 = [];
+ function step1() {
+ setTimeout(function() {
+ checkResults(expected1, "entries");
+ iframeScroller.scrollTop = 250;
+ requestAnimationFrame(step2);
+ });
+ }
+
+ var expected2 = [
+ {
+ 'boundingClientRect': [ 18, 118, 468, 568 ],
+ 'intersectionRect': [ 18, 118, 510, 568],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ];
+ function step2() {
+ setTimeout(function() {
+ checkResults(expected2, "entries");
+ document.scrollingElement.scrollTop = 100;
+ requestAnimationFrame(step3);
+ });
+ }
+
+ var expected3 = expected2.concat([
+ {
+ 'boundingClientRect': [ 18, 118, 568, 668 ],
+ 'intersectionRect': [ 0, 0, 0, 0 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step3() {
+ setTimeout(function() {
+ checkResults(expected3, "entries", 1);
+ finishTest();
+ document.scrollingElement.scrollTop = 0;
+ });
+ }
+
+ requestAnimationFrame(step0);
+}
+</script>

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