1 files changed, 108 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_PBMCookieBehavior.js b/toolkit/components/antitracking/test/browser/browser_PBMCookieBehavior.js
new file mode 100644
index 0000000000..ebed00f23c
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_PBMCookieBehavior.js
@@ -0,0 +1,108 @@
+"use strict";
+
+// This test will run all combinations of CookieBehavior. So, request a longer
+// timeout here
+requestLongerTimeout(3);
+
+const COOKIE_BEHAVIORS = [
+  Ci.nsICookieService.BEHAVIOR_ACCEPT,
+  Ci.nsICookieService.BEHAVIOR_REJECT_FOREIGN,
+  Ci.nsICookieService.BEHAVIOR_REJECT,
+  Ci.nsICookieService.BEHAVIOR_LIMIT_FOREIGN,
+  Ci.nsICookieService.BEHAVIOR_REJECT_TRACKER,
+  Ci.nsICookieService.BEHAVIOR_REJECT_TRACKER_AND_PARTITION_FOREIGN,
+];
+
+async function verifyCookieBehavior(browser, expected) {
+  await SpecialPowers.spawn(
+    browser,
+    [{ expected, page: TEST_3RD_PARTY_PAGE }],
+    async obj => {
+      is(
+        content.document.cookieJarSettings.cookieBehavior,
+        obj.expected,
+        "The tab in the window has the expected CookieBehavior."
+      );
+
+      // Create an 3rd party iframe and check the cookieBehavior.
+      let ifr = content.document.createElement("iframe");
+      let loading = new content.Promise(resolve => {
+        ifr.onload = resolve;
+      });
+      content.document.body.appendChild(ifr);
+      ifr.src = obj.page;
+      await loading;
+
+      await SpecialPowers.spawn(
+        ifr.browsingContext,
+        [obj.expected],
+        async expected => {
+          is(
+            content.document.cookieJarSettings.cookieBehavior,
+            expected,
+            "The iframe in the window has the expected CookieBehavior."
+          );
+        }
+      );
+    }
+  );
+}
+
+add_task(async function () {
+  for (let regularCookieBehavior of COOKIE_BEHAVIORS) {
+    for (let PBMCookieBehavior of COOKIE_BEHAVIORS) {
+      await SpecialPowers.flushPrefEnv();
+      await SpecialPowers.pushPrefEnv({
+        set: [
+          ["network.cookie.cookieBehavior", regularCookieBehavior],
+          ["network.cookie.cookieBehavior.pbmode", PBMCookieBehavior],
+          ["dom.security.https_first_pbm", false],
+        ],
+      });
+
+      info(
+        ` Start testing with regular cookieBehavior(${regularCookieBehavior}) and PBM cookieBehavior(${PBMCookieBehavior})`
+      );
+
+      info(" Open a tab in regular window.");
+      let tab = await BrowserTestUtils.openNewForegroundTab(
+        gBrowser,
+        TEST_TOP_PAGE
+      );
+
+      info(
+        " Verify if the tab in regular window has the expected cookieBehavior."
+      );
+      await verifyCookieBehavior(tab.linkedBrowser, regularCookieBehavior);
+      BrowserTestUtils.removeTab(tab);
+
+      info(" Open a tab in private window.");
+      let pb_win = await BrowserTestUtils.openNewBrowserWindow({
+        private: true,
+      });
+
+      tab = await BrowserTestUtils.openNewForegroundTab(
+        pb_win.gBrowser,
+        TEST_TOP_PAGE
+      );
+
+      let expectPBMCookieBehavior = PBMCookieBehavior;
+
+      // The private cookieBehavior will mirror the regular pref if the regular
+      // pref has a user value and the private pref doesn't have a user pref.
+      if (
+        Services.prefs.prefHasUserValue("network.cookie.cookieBehavior") &&
+        !Services.prefs.prefHasUserValue("network.cookie.cookieBehavior.pbmode")
+      ) {
+        expectPBMCookieBehavior = regularCookieBehavior;
+      }
+
+      info(
+        " Verify if the tab in private window has the expected cookieBehavior."
+      );
+      await verifyCookieBehavior(tab.linkedBrowser, expectPBMCookieBehavior);
+      BrowserTestUtils.removeTab(tab);
+      await BrowserTestUtils.closeWindow(pb_win);
+    }
+  }
+});