1 files changed, 22 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/close_test.js b/dom/serviceworkers/test/close_test.js
new file mode 100644
index 0000000000..cc0ec4d335
--- /dev/null
+++ b/dom/serviceworkers/test/close_test.js
@@ -0,0 +1,22 @@
+function ok(v, msg) {
+  client.postMessage({ status: "ok", result: !!v, message: msg });
+}
+
+var client;
+onmessage = function(e) {
+  if (e.data.message == "start") {
+    self.clients.matchAll().then(function(clients) {
+      client = clients[0];
+      try {
+        close();
+        ok(false, "close() should throw");
+      } catch (ex) {
+        ok(
+          ex.name === "InvalidAccessError",
+          "close() should throw InvalidAccessError"
+        );
+      }
+      client.postMessage({ status: "done" });
+    });
+  }
+};