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CppAD::vectorBool Class: Example and Test
`

    # include <cppad/utility/vector.hpp>
    # include <cppad/utility/check_simple_vector.hpp>
    # include <sstream> // sstream and string are used to test output operation
    # include <string>

    bool vectorBool(void)
    {     bool ok = true;
         using CppAD::vectorBool;

         vectorBool x;          // default constructor
         ok &= (x.size() == 0);

         x.resize(2);             // resize and set element assignment to bool
         ok &= (x.size() == 2);
         x[0] = false;
         x[1] = true;

         vectorBool y(2);       // sizing constructor
         ok &= (y.size() == 2);

         const vectorBool z(x); // copy constructor and const element access
         ok &= (z.size() == 2);
         ok &= ( (z[0] == false) && (z[1] == true) );

         x[0] = true;           // modify, assignment changes x
         ok &= (x[0] == true);

         // resize x to zero and check that vector assignment works for both
         // size zero and mathching sizes
         x.resize(0);
         ok &= (x.size() == 0);
         ok &= (y.size() == z.size());
         //
         x = y = z;
         ok &= ( (x[0] == false) && (x[1] == true) );
         ok &= ( (y[0] == false) && (y[1] == true) );
         ok &= ( (z[0] == false) && (z[1] == true) );

         // test of push_vector
         y.push_vector(z);
         ok &= y.size() == 4;
         ok &= ( (y[0] == false) && (y[1] == true) );
         ok &= ( (y[2] == false) && (y[3] == true) );

         y[1] = false;           // element assignment to another element
         x[0] = y[1];
         ok &= (x[0] == false);

         // test of output
         std::string        correct= "01";
         std::string        str;
         std::ostringstream buf;
         buf << z;
         str = buf.str();
         ok &= (str == correct);

         // test resize(0), capacity, and clear
         size_t i = x.capacity();
         ok      &= i > 0;
         x.resize(0);
         ok      &= i == x.capacity();
         x.clear();
         ok      &= 0 == x.capacity();

         // test of push_back element
         for(i = 0; i < 100; i++)
              x.push_back( (i % 3) != 0 );
         ok &= (x.size() == 100);
         for(i = 0; i < 100; i++)
              ok &= ( x[i] == ((i % 3) != 0) );

         // is that boolvector is
         // a simple vector class with elements of type bool
         CppAD::CheckSimpleVector< bool, vectorBool >();

         return ok;
    }

`

Input File: example/utility/vector_bool.cpp