1 files changed, 41 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_blockingNoOpener.js b/toolkit/components/antitracking/test/browser/browser_blockingNoOpener.js
new file mode 100644
index 0000000000..ba75454e18
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_blockingNoOpener.js
@@ -0,0 +1,41 @@
+gFeatures = "noopener";
+
+AntiTracking.runTestInNormalAndPrivateMode(
+  "Blocking in the case of noopener windows",
+  async _ => {
+    try {
+      localStorage.foo = 42;
+      ok(false, "LocalStorage cannot be used!");
+    } catch (e) {
+      ok(true, "LocalStorage cannot be used!");
+      is(e.name, "SecurityError", "We want a security error message.");
+    }
+  },
+  async phase => {
+    switch (phase) {
+      case 1:
+        localStorage.foo = 42;
+        ok(true, "LocalStorage is allowed");
+        break;
+      case 2:
+        try {
+          localStorage.foo = 42;
+          ok(false, "LocalStorage cannot be used!");
+        } catch (e) {
+          ok(true, "LocalStorage cannot be used!");
+          is(e.name, "SecurityError", "We want a security error message.");
+        }
+        break;
+    }
+  },
+  async _ => {
+    await new Promise(resolve => {
+      Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value =>
+        resolve()
+      );
+    });
+  },
+  null,
+  true,
+  false
+);