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// A sample program demonstrating using Google C++ testing framework.

//

// Author: wan@google.com (Zhanyong Wan)

#ifndef GTEST_SAMPLES_SAMPLE2_H_

#define GTEST_SAMPLES_SAMPLE2_H_

#include <string.h>

// A simple string class.

class MyString {

 private:

  const char* c_string_;

  const MyString& operator=(const MyString& rhs);

 public:

  // Clones a 0-terminated C string, allocating memory using new.

  static const char* CloneCString(const char* a_c_string);

  ////////////////////////////////////////////////////////////

  //

  // C'tors

  // The default c'tor constructs a NULL string.

  MyString() : c_string_(NULL) {}

  // Constructs a MyString by cloning a 0-terminated C string.

  explicit MyString(const char* a_c_string) : c_string_(NULL) {

    Set(a_c_string);

  }

  // Copy c'tor

  MyString(const MyString& string) : c_string_(NULL) {

    Set(string.c_string_);

  }

  ////////////////////////////////////////////////////////////

  //

  // D'tor.  MyString is intended to be a final class, so the d'tor

  // doesn't need to be virtual.

  ~MyString() { delete[] c_string_; }

  // Gets the 0-terminated C string this MyString object represents.

  const char* c_string() const { return c_string_; }

  size_t Length() const {

    return c_string_ == NULL ? 0 : strlen(c_string_);

  }

  // Sets the 0-terminated C string this MyString object represents.

  void Set(const char* c_string);

};

#endif  // GTEST_SAMPLES_SAMPLE2_H_