/* String1Test.cpp */
#include <iostream>
#include "String1.cpp"

using namespace std;



int main() {
  String s1("happy");
  String s2(" birthday");
  String s3;

  // Test overloaded equality and relational operators:
  cout << "s1 is \"" << s1 << "\"; s2 is \"" << s2
       << "\"; s3 is \"" << s3 << '\"'
       << "\n\nThe results of comparing s2 and s1:"
       << "\ns2 == s1 yields "
       << (s2 == s1 ? "true" : "false")
       << "\ns2 != s1 yields "
       << (s2 != s1 ? "true" : "false")
       << "\ns2 >  s1 yields "
       << (s2 > s1 ? "true" : "false")
       << "\ns2 <  s1 yields "
       << (s2 < s1 ? "true" : "false")
       << "\ns2 >= s1 yields "
       << (s2 >= s1 ? "true" : "false")
       << "\ns2 <= s1 yields "
       << (s2 <= s1 ? "true" : "false");


  // Test overloaded String empty (!) operator:
  cout << "\n\nTesting !s3:\n";
  if (!s3) {
    cout << "s3 is empty; assigning s1 to s3;\n";
    s3 = s1;                 // test overloaded assignment
    cout << "s3 is \"" << s3 << "\"";
  }

  // test overloaded String concatenation operator
  cout << "\n\ns1 += s2 yields s1 = ";
  s1 += s2;                  // test overloaded concatenation
  cout << s1;

  // test conversion constructor
  cout << "\n\ns1 += \" to you\" yields\n";
  s1 += " to you";           // test conversion constructor
  cout << "s1 = " << s1 << "\n\n";

  // test overloaded function call operator () for substring
  cout << "The substring of s1 starting at\n"
       << "location 0 for 14 characters, s1(0, 14), is:\n"
       << s1(0, 14) << "\n\n";

  // test substring "to-end-of-String" option
  cout << "The substring of s1 starting at\n"
       << "location 15, s1(15, 0), is: "
       << s1(15, 0) << "\n\n";    // 0 is "to end of string"

  // test copy constructor
  String *s4Ptr = new String(s1);
  cout << "\n*s4Ptr = " << *s4Ptr << "\n\n";

  // test assignment (=) operator with self-assignment
  cout << "assigning *s4Ptr to *s4Ptr\n";
  *s4Ptr = *s4Ptr;           // test overloaded assignment
  cout << "*s4Ptr = " << *s4Ptr << '\n';

  // test destructor
  delete s4Ptr;

  // test using subscript operator to create lvalue
  s1[0] = 'H';
  s1[6] = 'B';
  cout << "\ns1 after s1[0] = 'H' and s1[6] = 'B' is: "
       << s1 << "\n\n";

  // test subscript out of range
  cout << "Attempt to assign 'd' to s1[30] yields:" << endl;
  s1[30] = 'd';              // ERROR: subscript out of range

  return 0;
}