CppAD::vectorBool Class: Example and Test
Keywords: cppad::vectorbool class: example test bool vectorbool Cppad

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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/vector_bool.cpp