Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/testing/web-platform/tests/workers/SharedWorker-replace-EventHandler.any.js b/testing/web-platform/tests/workers/SharedWorker-replace-EventHandler.any.js
new file mode 100644
index 0000000000..90c7d2d08d
--- /dev/null
+++ b/testing/web-platform/tests/workers/SharedWorker-replace-EventHandler.any.js
@@ -0,0 +1,15 @@
+// META: global=sharedworker
+// https://crbug.com/239669
+const t = async_test("Tests that repeatedly setting 'onerror' within a shared worker doesnt crash.");
+onconnect = t.step_func_done((event) => {
+  function update() {
+    onerror = undefined;
+  }
+  try {
+    for (var i = 0; i < 8; ++i) {
+      update();
+    }
+  } catch (ex) {
+    assert_unreached("FAIL: unexpected exception (" + ex + ") received while updating onerror event handler.");
+  }
+});