| Index: third_party/WebKit/LayoutTests/intersection-observer/deleted-root.html
|
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/deleted-root.html b/third_party/WebKit/LayoutTests/intersection-observer/deleted-root.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..ec3844a51ce758d550060662f5c26702b4a6b8c0
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/deleted-root.html
|
| @@ -0,0 +1,49 @@
|
| +<!DOCTYPE html>
|
| +<script src="../resources/testharness.js"></script>
|
| +<script src="../resources/testharnessreport.js"></script>
|
| +<script src="./resources/intersection-observer-test-utils.js"></script>
|
| +<script src="../resources/gc.js"></script>
|
| +
|
| +<div id="root">
|
| + <div id="target"></div>
|
| +</div>
|
| +
|
| +<script>
|
| +async_test(function(t) {
|
| + // Initialize observer and remove root in an inner function to avoid
|
| + // references to rootDiv remaining live on this function's stack frame
|
| + // (http://crbug.com/595672/).
|
| + function initializeObserverThenRemoveRootDiv() {
|
| + let rootDiv = document.getElementById("root");
|
| + let observer = new IntersectionObserver(c => {}, {root: rootDiv});
|
| + rootDiv.parentNode.removeChild(rootDiv);
|
| + return observer;
|
| + }
|
| +
|
| + var target = document.getElementById("target");
|
| + var observer = initializeObserverThenRemoveRootDiv();
|
| + gc();
|
| +
|
| + runTestCycle(step0, "IntersectionObserver.observe with deleted root.");
|
| +
|
| + function step0() {
|
| + runTestCycle(step1, "IntersectionObserver.unobserve with deleted root.");
|
| + observer.observe(target);
|
| + }
|
| +
|
| + function step1() {
|
| + runTestCycle(step2, "IntersectionObserver.disconnect with deleted root.");
|
| + observer.unobserve(target);
|
| + }
|
| +
|
| + function step2() {
|
| + runTestCycle(step3, "IntersectionObserver.takeRecords with deleted root.");
|
| + observer.disconnect();
|
| + }
|
| +
|
| + function step3() {
|
| + observer.takeRecords();
|
| + t.done();
|
| + }
|
| +});
|
| +</script>
|
|
|