test/gtest-1.6.0/samples/sample2.h

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  29
  30 // A sample program demonstrating using Google C++ testing framework.
  31 //
  32 // Author: wan@google.com (Zhanyong Wan)
  33
  34 #ifndef GTEST_SAMPLES_SAMPLE2_H_
  35 #define GTEST_SAMPLES_SAMPLE2_H_
  36
  37 #include <string.h>
  38
  39
  40 // A simple string class.
  41 class MyString {
  42  private:
  43   const char* c_string_;
  44   const MyString& operator=(const MyString& rhs);
  45
  46  public:
  47
  48   // Clones a 0-terminated C string, allocating memory using new.
  49   static const char* CloneCString(const char* a_c_string);
  50
  51   ////////////////////////////////////////////////////////////
  52   //
  53   // C'tors
  54
  55   // The default c'tor constructs a NULL string.
  56   MyString() : c_string_(NULL) {}
  57
  58   // Constructs a MyString by cloning a 0-terminated C string.
  59   explicit MyString(const char* a_c_string) : c_string_(NULL) {
  60     Set(a_c_string);
  61   }
  62
  63   // Copy c'tor
  64   MyString(const MyString& string) : c_string_(NULL) {
  65     Set(string.c_string_);
  66   }
  67
  68   ////////////////////////////////////////////////////////////
  69   //
  70   // D'tor.  MyString is intended to be a final class, so the d'tor
  71   // doesn't need to be virtual.
  72   ~MyString() { delete[] c_string_; }
  73
  74   // Gets the 0-terminated C string this MyString object represents.
  75   const char* c_string() const { return c_string_; }
  76
  77   size_t Length() const {
  78     return c_string_ == NULL ? 0 : strlen(c_string_);
  79   }
  80
  81   // Sets the 0-terminated C string this MyString object represents.
  82   void Set(const char* c_string);
  83 };
  84
  85
  86 #endif  // GTEST_SAMPLES_SAMPLE2_H_