1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/measure-memory/window-open.cross-site.https.window.js b/testing/web-platform/tests/measure-memory/window-open.cross-site.https.window.js
new file mode 100644
index 0000000000..3a9481fae6
--- /dev/null
+++ b/testing/web-platform/tests/measure-memory/window-open.cross-site.https.window.js
@@ -0,0 +1,36 @@
+// META: script=/common/get-host-info.sub.js
+// META: script=./resources/checker.js
+// META: script=./resources/common.js
+// META: timeout=long
+'use strict';
+
+promise_test(async testCase => {
+  assert_true(self.crossOriginIsolated);
+
+  const {iframes, windows} = await build([
+    {
+      id: 'cross-site-1',
+      window_open: true,
+      children: [
+        {
+          id: 'same-origin-2',
+          window_open: true,
+        },
+        {
+          id: 'same-origin-3',
+        },
+        {
+          id: 'cross-origin-4',
+        },
+      ]
+    },
+  ]);
+  const result = await performance.measureUserAgentSpecificMemory();
+  checkMeasureMemory(result, [
+    {
+      url: window.location.href,
+      scope: 'Window',
+      container: null,
+    },
+  ]);
+}, 'performance.measureUserAgentSpecificMemory does not leak URL of cross-site window.open.');