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/* StringNDriver.cpp

2015-11-08 - 2018-06-30

Esp. Ing. José María Sola

Profesor

UTN FRBA */

#include <string>

#include <array>

#include <iostream>

#include <cassert>

#include "StringN.h"

template <std::size_t N>

void PrintSizesAndContents(std::string, String<N>, std::string);

int main(){

{ // Tests

{ // array más corto que string

std::array<char,5> a = PackString("Hello, World!");

assert( "Hello" == UnpackString(a) );

}

{ // String<N> más corto que string

String<4> s = PackString("Hello, World!");

assert( "Hell" == UnpackString(s) );

}

{ // String<N> igual de largo que string

String<13> s = PackString("Hello, World!");

assert( "Hello, World!" == UnpackString(s) );

}

{ // String<N> más largo que string

String<42> s = PackString("Hello, World!");

assert( "Hello, World!" == UnpackString(s) );

}

{ // Ejemplos

using std::array;

using std::string;

{ // String<N>

string s{"Hello, World!"};

String<5> a = PackString(s);

string t{UnpackString(a)};

assert( t == "Hello" );

}

{ // array<char,N>

string s{"Hello, World!"};

array<char,5> a = PackString(s);

string t{UnpackString(a)};

assert( t == "Hello");

}

{ // String<N> más corto que string

string s{"Texto de largo mayor a límite de registro."};

String<12> a = PackString(s); // array<char,12>

auto t{UnpackString(a)}; // desempaque todo lo que se pudo guardar

assert(s.compare(0, 12, t) == 0);

PrintSizesAndContents(s,a,t);

}

{ // String<N> igual de largo que string

string s{"abcd"}; // string type

String<4> a = PackString(s); // array<char,4>

auto t{UnpackString(a)};

assert(s == t);

PrintSizesAndContents(s,a,t);

}

{ // String<N> más largo que string

string s{"xyz"};

array<char,7> a = PackString(s);

auto t{UnpackString(a)};

assert(s == t);

PrintSizesAndContents(s,a,t);

}

template <std::size_t N>

void PrintString(const String<N>&);

template <std::size_t N>

void PrintSizesAndContents(std::string s, String<N> a, std::string t){

std::cout

<< "s : " << s << "\n"

<< "sizeof s: " << sizeof s << "\n"

<< "length s: " << s.length() << "\n"

<< "a : "; PrintString(a); std::cout << "\n"

<< "sizeof a: " << sizeof a << "\n"

<< "t : " << t << "\n"

<< "sizeof t: " << sizeof t << "\n"

<< "length t: " << t.length() << "\n\n";

}

template <std::size_t N>

void PrintString(const String<N>& s){

for(auto c : s){

if(c=='\0')

break;

std::cout << c;

}

StringNAndBlockStream/StringNDriver.cpp at master · AmitSna/StringNAndBlockStream · GitHub

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