1 files changed, 85 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_blockingDOMCacheSAA.js b/toolkit/components/antitracking/test/browser/browser_blockingDOMCacheSAA.js
new file mode 100644
index 0000000000..06526972dd
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_blockingDOMCacheSAA.js
@@ -0,0 +1,85 @@
+requestLongerTimeout(2);
+
+AntiTracking.runTest(
+  "DOM Cache and Storage Access API",
+  async _ => {
+    /* import-globals-from storageAccessAPIHelpers.js */
+    await noStorageAccessInitially();
+
+    await caches.open("wow").then(
+      _ => {
+        ok(false, "DOM Cache cannot be used!");
+      },
+      _ => {
+        ok(true, "DOM Cache cannot be used!");
+      }
+    );
+
+    /* import-globals-from storageAccessAPIHelpers.js */
+    await callRequestStorageAccess();
+
+    let effectiveCookieBehavior = SpecialPowers.isContentWindowPrivate(window)
+      ? SpecialPowers.Services.prefs.getIntPref(
+          "network.cookie.cookieBehavior.pbmode"
+        )
+      : SpecialPowers.Services.prefs.getIntPref(
+          "network.cookie.cookieBehavior"
+        );
+
+    let shouldThrow = [
+      SpecialPowers.Ci.nsICookieService.BEHAVIOR_REJECT,
+      SpecialPowers.Ci.nsICookieService.BEHAVIOR_REJECT_FOREIGN,
+    ].includes(effectiveCookieBehavior);
+
+    await caches.open("wow").then(
+      _ => {
+        ok(!shouldThrow, "DOM Cache can be used!");
+      },
+      _ => {
+        ok(shouldThrow, "DOM Cache can be used!");
+      }
+    );
+  },
+  async _ => {
+    /* import-globals-from storageAccessAPIHelpers.js */
+    await hasStorageAccessInitially();
+
+    await caches.open("wow").then(
+      _ => {
+        ok(true, "DOM Cache can be used!");
+      },
+      _ => {
+        ok(false, "DOM Cache can be used!");
+      }
+    );
+
+    /* import-globals-from storageAccessAPIHelpers.js */
+    await callRequestStorageAccess();
+
+    // For non-tracking windows, calling the API is a no-op
+    await caches.open("wow").then(
+      _ => {
+        ok(true, "DOM Cache can be used!");
+      },
+      _ => {
+        ok(false, "DOM Cache can be used!");
+      }
+    );
+  },
+  async _ => {
+    await new Promise(resolve => {
+      Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value =>
+        resolve()
+      );
+    });
+  },
+  [
+    ["dom.caches.testing.enabled", true],
+    [
+      "privacy.partition.always_partition_third_party_non_cookie_storage",
+      false,
+    ],
+  ],
+  false,
+  false
+);