crypto/scoped_test_system_nss_key_slot.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_
   6 #define CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "crypto/crypto_export.h"
  11
  12 namespace crypto {
  13
  14 class ScopedTestNSSDB;
  15
  16 // Opens a persistent NSS software database in a temporary directory and sets
  17 // the test system slot to the opened database. This helper should be created in
  18 // tests where no system token is provided by the Chaps module and before
  19 // InitializeTPMTokenAndSystemSlot is called. Then the opened test database will
  20 // be used and the initialization continues as if Chaps had provided this test
  21 // database. In particular, the DB will be exposed by |GetSystemNSSKeySlot| and
  22 // |IsTPMTokenReady| will return true.
  23 // At most one instance of this helper must be used at a time.
  24 class CRYPTO_EXPORT_PRIVATE ScopedTestSystemNSSKeySlot {
  25  public:
  26   explicit ScopedTestSystemNSSKeySlot();
  27   ~ScopedTestSystemNSSKeySlot();
  28
  29   bool ConstructedSuccessfully() const;
  30
  31  private:
  32   scoped_ptr<ScopedTestNSSDB> test_db_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(ScopedTestSystemNSSKeySlot);
  35 };
  36
  37 }  // namespace crypto
  38
  39 #endif  // CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_