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      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 // Forward declaration, from <pk11pub.h>
     13 typedef struct PK11SlotInfoStr PK11SlotInfo;
     14 
     15 namespace crypto {
     16 
     17 class ScopedTestNSSDB;
     18 
     19 // Opens a persistent NSS software database in a temporary directory and sets
     20 // the test system slot to the opened database. This helper should be created in
     21 // tests to fake the system token that is usually provided by the Chaps module.
     22 // |slot| is exposed through |GetSystemNSSKeySlot| and |IsTPMTokenReady| will
     23 // return true.
     24 // |InitializeTPMTokenAndSystemSlot|, which triggers the TPM initialization,
     25 // does not have to be called if this helper is used.
     26 // At most one instance of this helper must be used at a time.
     27 class CRYPTO_EXPORT_PRIVATE ScopedTestSystemNSSKeySlot {
     28  public:
     29   explicit ScopedTestSystemNSSKeySlot();
     30   ~ScopedTestSystemNSSKeySlot();
     31 
     32   bool ConstructedSuccessfully() const;
     33   PK11SlotInfo* slot() const;
     34 
     35  private:
     36   scoped_ptr<ScopedTestNSSDB> test_db_;
     37 
     38   DISALLOW_COPY_AND_ASSIGN(ScopedTestSystemNSSKeySlot);
     39 };
     40 
     41 }  // namespace crypto
     42 
     43 #endif  // CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_
     44