net/disk_cache/disk_cache_test_base.h

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#ifndef NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H__
#define NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H__

#include "base/basictypes.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace disk_cache {

class Backend;
class BackendImpl;
class MemBackendImpl;

}

// Provides basic support for cache related tests.
class DiskCacheTestBase : public testing::Test {
 protected:
  DiskCacheTestBase()
      : cache_(NULL), cache_impl_(NULL), mem_cache_(NULL), mask_(0), size_(0),
        memory_only_(false), implementation_(false), force_creation_(false),
        first_cleanup_(true) {}

  void InitCache();
  virtual void TearDown();
  void SimulateCrash();
  void SetTestMode();

  void SetMemoryOnlyMode() {
    memory_only_ = true;
  }

  // Use the implementation directly instead of the factory provided object.
  void SetDirectMode() {
    implementation_ = true;
  }

  void SetMask(uint32 mask) {
    mask_ = mask;
  }

  void SetMaxSize(int size);

  // Deletes and re-creates the files on initialization errors.
  void SetForceCreation() {
    force_creation_ = true;
  }

  void DisableFirstCleanup() {
    first_cleanup_ = false;
  }

  // cache_ will always have a valid object, regardless of how the cache was
  // initialized. The implementation pointers can be NULL.
  disk_cache::Backend* cache_;
  disk_cache::BackendImpl* cache_impl_;
  disk_cache::MemBackendImpl* mem_cache_;

  uint32 mask_;
  int size_;
  bool memory_only_;
  bool implementation_;
  bool force_creation_;
  bool first_cleanup_;

 private:
  void InitMemoryCache();
  void InitDiskCache();
};

#endif  // NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H__