1 files changed, 87 insertions, 0 deletions
diff --git a/dom/tests/browser/browser_localStorage_privatestorageevent.js b/dom/tests/browser/browser_localStorage_privatestorageevent.js
new file mode 100644
index 0000000000..7c81fadf2d
--- /dev/null
+++ b/dom/tests/browser/browser_localStorage_privatestorageevent.js
@@ -0,0 +1,87 @@
+add_task(async function () {
+  var privWin = OpenBrowserWindow({ private: true });
+  await new privWin.Promise(resolve => {
+    privWin.addEventListener(
+      "load",
+      function () {
+        resolve();
+      },
+      { once: true }
+    );
+  });
+
+  var pubWin = OpenBrowserWindow({ private: false });
+  await new pubWin.Promise(resolve => {
+    pubWin.addEventListener(
+      "load",
+      function () {
+        resolve();
+      },
+      { once: true }
+    );
+  });
+
+  var URL =
+    "http://mochi.test:8888/browser/dom/tests/browser/page_privatestorageevent.html";
+
+  var privTab = BrowserTestUtils.addTab(privWin.gBrowser, URL);
+  await BrowserTestUtils.browserLoaded(
+    privWin.gBrowser.getBrowserForTab(privTab)
+  );
+  var privBrowser = gBrowser.getBrowserForTab(privTab);
+
+  var pubTab = BrowserTestUtils.addTab(pubWin.gBrowser, URL);
+  await BrowserTestUtils.browserLoaded(
+    pubWin.gBrowser.getBrowserForTab(pubTab)
+  );
+  var pubBrowser = gBrowser.getBrowserForTab(pubTab);
+
+  // Check if pubWin can see privWin's storage events
+  await SpecialPowers.spawn(pubBrowser, [], function (opts) {
+    content.window.gotStorageEvent = false;
+    content.window.addEventListener("storage", ev => {
+      content.window.gotStorageEvent = true;
+    });
+  });
+
+  await SpecialPowers.spawn(privBrowser, [], function (opts) {
+    content.window.localStorage.key = "ablooabloo";
+  });
+
+  let pubSaw = await SpecialPowers.spawn(pubBrowser, [], function (opts) {
+    return content.window.gotStorageEvent;
+  });
+
+  ok(!pubSaw, "pubWin shouldn't be able to see privWin's storage events");
+
+  await SpecialPowers.spawn(privBrowser, [], function (opts) {
+    content.window.gotStorageEvent = false;
+    content.window.addEventListener("storage", ev => {
+      content.window.gotStorageEvent = true;
+    });
+  });
+
+  // Check if privWin can see pubWin's storage events
+  await SpecialPowers.spawn(privBrowser, [], function (opts) {
+    content.window.gotStorageEvent = false;
+    content.window.addEventListener("storage", ev => {
+      content.window.gotStorageEvent = true;
+    });
+  });
+
+  await SpecialPowers.spawn(pubBrowser, [], function (opts) {
+    content.window.localStorage.key = "ablooabloo";
+  });
+
+  let privSaw = await SpecialPowers.spawn(privBrowser, [], function (opts) {
+    return content.window.gotStorageEvent;
+  });
+
+  ok(!privSaw, "privWin shouldn't be able to see pubWin's storage events");
+
+  BrowserTestUtils.removeTab(privTab);
+  await BrowserTestUtils.closeWindow(privWin);
+
+  BrowserTestUtils.removeTab(pubTab);
+  await BrowserTestUtils.closeWindow(pubWin);
+});