| Index: third_party/WebKit/LayoutTests/intersection-observer/resources/observer-in-iframe-subframe.html
|
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/resources/observer-in-iframe-subframe.html b/third_party/WebKit/LayoutTests/intersection-observer/resources/observer-in-iframe-subframe.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..711a9ce867470dca276e8b879c7afb33f13e0de7
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/resources/observer-in-iframe-subframe.html
|
| @@ -0,0 +1,65 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../resources/testharness.js"></script>
|
| +<script src="../../resources/testharnessreport.js"></script>
|
| +<script src="./intersection-observer-test-utils.js"></script>
|
| +
|
| +<style>
|
| +#root {
|
| + width: 200px;
|
| + height: 200px;
|
| +}
|
| +#scroller {
|
| + width: 160px;
|
| + height: 200px;
|
| + overflow-y: scroll;
|
| +}
|
| +#target {
|
| + width: 100px;
|
| + height: 100px;
|
| + background-color: green;
|
| +}
|
| +.spacer {
|
| + height: 300px;
|
| +}
|
| +</style>
|
| +
|
| +<div id="root">
|
| + <div id="scroller">
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| + <div class="spacer"></div>
|
| + <div id="target"></div>
|
| + <div class="spacer"></div>
|
| + </div>
|
| +</div>
|
| +
|
| +<script>
|
| +setup({message_events: [], output_document: window.parent.document});
|
| +
|
| +var entries = [];
|
| +var root, scroller, target;
|
| +
|
| +runTestCycle(function() {
|
| + root = document.getElementById("root");
|
| + assert_true(!!root, "Root element exists.");
|
| + scroller = document.getElementById("scroller");
|
| + assert_true(!!scroller, "Scroller element exists.");
|
| + target = document.getElementById("target");
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| + assert_true(!!target, "Target element exists.");
|
| + var observer = new IntersectionObserver(function(changes) {
|
| + entries = entries.concat(changes)
|
| + }, {root: root});
|
| + observer.observe(target);
|
| + entries = entries.concat(observer.takeRecords());
|
| + assert_equals(entries.length, 0, "No initial notifications.")
|
| + runTestCycle(step1, "First rAF.");
|
| +}, "IntersectionObserver in iframe with explicit root.");
|
| +
|
| +function step1() {
|
| + scroller.scrollTop = 250;
|
| + runTestCycle(step2, "scroller.scrollTop = 250");
|
| + assert_equals(entries.length, 0, "No notifications after first rAF.");
|
| +}
|
| +
|
| +function step2() {
|
| + checkLastEntry(entries, 0, [8, 108, 58, 158, 8, 108, 58, 158, 8, 208, 8, 208, target]);
|
| +}
|
| +</script>
|
|
|