| Index: third_party/WebKit/LayoutTests/custom-elements/gc.html
|
| diff --git a/third_party/WebKit/LayoutTests/custom-elements/gc.html b/third_party/WebKit/LayoutTests/custom-elements/gc.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..beb67e14cbe42295932481b18c2dbe1cc6d888e4
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/custom-elements/gc.html
|
| @@ -0,0 +1,66 @@
|
| +<!DOCTYPE html>
|
| +<script src="../resources/testharness.js"></script>
|
| +<script src="../resources/testharness-helpers.js"></script>
|
| +<script src="../resources/testharnessreport.js"></script>
|
| +<body>
|
| +<script>
|
| +'use strict';
|
| +(() => {
|
| +
|
| +if (!window.internals) {
|
| + // Requires observeGC
|
| + return;
|
| +}
|
| +
|
| +promise_test((t) => {
|
| + var observation = null;
|
| + (() => {
|
| + let f = document.createElement('iframe');
|
| + f.srcdoc = 'content';
|
| + document.body.appendChild(f);
|
| + let w = f.contentWindow;
|
| +
|
| + var X = new Object;
|
| + X.a = [f, w, w.customElements, w.document];
|
| + X.a.forEach((o) => o.x = X);
|
| + observation = internals.observeGC(X);
|
| +
|
| + f.remove();
|
| + })();
|
| +
|
| + return Promise.resolve()
|
| + .then(() => {
|
| + gc(); gc();
|
| + assert_true(observation.wasCollected,
|
| + 'cyclic references between objects and DOM wrappers should ' +
|
| + 'not leak');
|
| + });
|
| +}, 'Sanity check ordinary objects are not leaking');
|
| +
|
| +promise_test((t) => {
|
| + var observation = null;
|
| + (() => {
|
| + let f = document.createElement('iframe');
|
| + f.srcdoc = 'content';
|
| + document.body.appendChild(f);
|
| + let w = f.contentWindow;
|
| +
|
| + class X extends HTMLElement {}
|
| + X.a = [f, w, w.customElements, w.document];
|
| + X.a.forEach((o) => o.x = X);
|
| + w.customElements.define('a-a', X);
|
| + observation = internals.observeGC(X);
|
| +
|
| + f.remove();
|
| + })();
|
| +
|
| + return Promise.resolve()
|
| + .then(() => {
|
| + gc(); gc();
|
| + assert_true(observation.wasCollected,
|
| + 'defining a custom element should not leak its constructor');
|
| + });
|
| +}, 'Defining custom elements does not leak');
|
| +
|
| +})();
|
| +</script>
|
|
|