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Unified Diff: third_party/WebKit/LayoutTests/intersection-observer/deleted-root.html

Issue 2560253004: IntersectionObserver: convert tests to testharness.js (Closed)
Patch Set: Address comments Created 3 years, 11 months ago
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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>

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