1 files changed, 59 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_cookieBetweenTabs.js b/toolkit/components/antitracking/test/browser/browser_cookieBetweenTabs.js
new file mode 100644
index 0000000000..635f145d46
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_cookieBetweenTabs.js
@@ -0,0 +1,59 @@
+add_task(async function () {
+  await SpecialPowers.flushPrefEnv();
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["dom.storage_access.enabled", true],
+      ["network.cookie.cookieBehavior", BEHAVIOR_REJECT],
+      ["network.cookie.cookieBehavior.pbmode", BEHAVIOR_REJECT],
+      ["privacy.trackingprotection.enabled", false],
+      ["privacy.trackingprotection.pbmode.enabled", false],
+      ["privacy.trackingprotection.annotate_channels", true],
+      ["dom.ipc.processCount", 4],
+    ],
+  });
+
+  info("First tab opened");
+  let tab = BrowserTestUtils.addTab(
+    gBrowser,
+    TEST_DOMAIN + TEST_PATH + "empty.html"
+  );
+  gBrowser.selectedTab = tab;
+
+  let browser = gBrowser.getBrowserForTab(tab);
+  await BrowserTestUtils.browserLoaded(browser);
+
+  info("Disabling content blocking for this page");
+  gProtectionsHandler.disableForCurrentPage();
+
+  await BrowserTestUtils.browserLoaded(browser);
+
+  await SpecialPowers.spawn(browser, [], async _ => {
+    is(content.document.cookie, "", "No cookie set");
+    content.document.cookie = "a=b";
+    is(content.document.cookie, "a=b", "Cookie set");
+  });
+
+  info("Second tab opened");
+  let tab2 = BrowserTestUtils.addTab(
+    gBrowser,
+    TEST_DOMAIN + TEST_PATH + "empty.html"
+  );
+  gBrowser.selectedTab = tab2;
+
+  let browser2 = gBrowser.getBrowserForTab(tab2);
+  await BrowserTestUtils.browserLoaded(browser2);
+
+  await SpecialPowers.spawn(browser2, [], async _ => {
+    is(content.document.cookie, "a=b", "Cookie set");
+  });
+
+  info("Removing tabs");
+  BrowserTestUtils.removeTab(tab);
+  BrowserTestUtils.removeTab(tab2);
+
+  await new Promise(resolve => {
+    Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value =>
+      resolve()
+    );
+  });
+});