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-rw-r--r--src/leveldb/util/testutil.h53
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diff --git a/src/leveldb/util/testutil.h b/src/leveldb/util/testutil.h
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-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#ifndef STORAGE_LEVELDB_UTIL_TESTUTIL_H_
-#define STORAGE_LEVELDB_UTIL_TESTUTIL_H_
-
-#include "leveldb/env.h"
-#include "leveldb/slice.h"
-#include "util/random.h"
-
-namespace leveldb {
-namespace test {
-
-// Store in *dst a random string of length "len" and return a Slice that
-// references the generated data.
-extern Slice RandomString(Random* rnd, int len, std::string* dst);
-
-// Return a random key with the specified length that may contain interesting
-// characters (e.g. \x00, \xff, etc.).
-extern std::string RandomKey(Random* rnd, int len);
-
-// Store in *dst a string of length "len" that will compress to
-// "N*compressed_fraction" bytes and return a Slice that references
-// the generated data.
-extern Slice CompressibleString(Random* rnd, double compressed_fraction,
- int len, std::string* dst);
-
-// A wrapper that allows injection of errors.
-class ErrorEnv : public EnvWrapper {
- public:
- bool writable_file_error_;
- int num_writable_file_errors_;
-
- ErrorEnv() : EnvWrapper(Env::Default()),
- writable_file_error_(false),
- num_writable_file_errors_(0) { }
-
- virtual Status NewWritableFile(const std::string& fname,
- WritableFile** result) {
- if (writable_file_error_) {
- ++num_writable_file_errors_;
- *result = NULL;
- return Status::IOError(fname, "fake error");
- }
- return target()->NewWritableFile(fname, result);
- }
-};
-
-} // namespace test
-} // namespace leveldb
-
-#endif // STORAGE_LEVELDB_UTIL_TESTUTIL_H_