1 files changed, 144 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug248970_cache.js b/netwerk/test/unit/test_bug248970_cache.js
new file mode 100644
index 0000000000..d52d3b88d9
--- /dev/null
+++ b/netwerk/test/unit/test_bug248970_cache.js
@@ -0,0 +1,144 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// names for cache devices
+const kDiskDevice = "disk";
+const kMemoryDevice = "memory";
+
+const kCacheA = "http://cache/A";
+const kCacheA2 = "http://cache/A2";
+const kCacheB = "http://cache/B";
+const kTestContent = "test content";
+
+const entries = [
+  // key       content       device          should exist after leaving PB
+  [kCacheA, kTestContent, kMemoryDevice, true],
+  [kCacheA2, kTestContent, kDiskDevice, false],
+  [kCacheB, kTestContent, kDiskDevice, true],
+];
+
+var store_idx;
+var store_cb = null;
+
+function store_entries(cb) {
+  if (cb) {
+    store_cb = cb;
+    store_idx = 0;
+  }
+
+  if (store_idx == entries.length) {
+    executeSoon(store_cb);
+    return;
+  }
+
+  asyncOpenCacheEntry(
+    entries[store_idx][0],
+    entries[store_idx][2],
+    Ci.nsICacheStorage.OPEN_TRUNCATE,
+    Services.loadContextInfo.custom(false, {
+      privateBrowsingId: entries[store_idx][3] ? 0 : 1,
+    }),
+    store_data
+  );
+}
+
+var store_data = function (status, entry) {
+  Assert.equal(status, Cr.NS_OK);
+  var os = entry.openOutputStream(0, entries[store_idx][1].length);
+
+  var written = os.write(entries[store_idx][1], entries[store_idx][1].length);
+  if (written != entries[store_idx][1].length) {
+    do_throw(
+      "os.write has not written all data!\n" +
+        "  Expected: " +
+        entries[store_idx][1].length +
+        "\n" +
+        "  Actual: " +
+        written +
+        "\n"
+    );
+  }
+  os.close();
+  entry.close();
+  store_idx++;
+  executeSoon(store_entries);
+};
+
+var check_idx;
+var check_cb = null;
+var check_pb_exited;
+function check_entries(cb, pbExited) {
+  if (cb) {
+    check_cb = cb;
+    check_idx = 0;
+    check_pb_exited = pbExited;
+  }
+
+  if (check_idx == entries.length) {
+    executeSoon(check_cb);
+    return;
+  }
+
+  asyncOpenCacheEntry(
+    entries[check_idx][0],
+    entries[check_idx][2],
+    Ci.nsICacheStorage.OPEN_READONLY,
+    Services.loadContextInfo.custom(false, {
+      privateBrowsingId: entries[check_idx][3] ? 0 : 1,
+    }),
+    check_data
+  );
+}
+
+var check_data = function (status, entry) {
+  var cont = function () {
+    check_idx++;
+    executeSoon(check_entries);
+  };
+
+  if (!check_pb_exited || entries[check_idx][3]) {
+    Assert.equal(status, Cr.NS_OK);
+    var is = entry.openInputStream(0);
+    pumpReadStream(is, function (read) {
+      entry.close();
+      Assert.equal(read, entries[check_idx][1]);
+      cont();
+    });
+  } else {
+    Assert.equal(status, Cr.NS_ERROR_CACHE_KEY_NOT_FOUND);
+    cont();
+  }
+};
+
+function run_test() {
+  // Simulate a profile dir for xpcshell
+  do_get_profile();
+
+  // Start off with an empty cache
+  evict_cache_entries();
+
+  // Store cache-A, cache-A2, cache-B and cache-C
+  store_entries(run_test2);
+
+  do_test_pending();
+}
+
+function run_test2() {
+  // Check if cache-A, cache-A2, cache-B and cache-C are available
+  check_entries(run_test3, false);
+}
+
+function run_test3() {
+  // Simulate all private browsing instances being closed
+  Services.obs.notifyObservers(null, "last-pb-context-exited");
+
+  // Make sure the memory device is not empty
+  get_device_entry_count(kMemoryDevice, null, function (count) {
+    Assert.equal(count, 1);
+    // Check if cache-A is gone, and cache-B and cache-C are still available
+    check_entries(do_test_finished, true);
+  });
+}