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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.
MyString()56   MyString() : c_string_(NULL) {}
57 
58   // Constructs a MyString by cloning a 0-terminated C string.
MyString(const char * a_c_string)59   explicit MyString(const char* a_c_string) : c_string_(NULL) {
60     Set(a_c_string);
61   }
62 
63   // Copy c'tor
MyString(const MyString & string)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.
~MyString()72   ~MyString() { delete[] c_string_; }
73 
74   // Gets the 0-terminated C string this MyString object represents.
c_string()75   const char* c_string() const { return c_string_; }
76 
Length()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_
87