1 files changed, 107 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_blockingDOMCache.js b/toolkit/components/antitracking/test/browser/browser_blockingDOMCache.js
new file mode 100644
index 0000000000..dedb3ebb1f
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_blockingDOMCache.js
@@ -0,0 +1,107 @@
+/* import-globals-from antitracking_head.js */
+
+requestLongerTimeout(2);
+
+AntiTracking.runTest(
+  "DOM Cache",
+  async _ => {
+    await caches.open("wow").then(
+      _ => {
+        ok(false, "DOM Cache cannot be used!");
+      },
+      _ => {
+        ok(true, "DOM Cache cannot be used!");
+      }
+    );
+  },
+  async _ => {
+    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]]
+);
+
+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 shouldThrow = [
+      SpecialPowers.Ci.nsICookieService.BEHAVIOR_REJECT,
+      SpecialPowers.Ci.nsICookieService.BEHAVIOR_REJECT_FOREIGN,
+    ].includes(
+      SpecialPowers.Services.prefs.getIntPref("network.cookie.cookieBehavior")
+    );
+
+    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]],
+  false,
+  false
+);