Issue with testing librairies

[soufsouf]

Hello everyone,

After creating a librairy i want to test it in an other console application but as soon as i call a fonction from the librairy the result is an empty console where it is only written press <Entry> to close the window...

I did a small example to test including a librairy and i have no problem doing it.

Where this issue can come from ?

Thank you in advance for any help.

[Moved to General and Desktop ~kshegunov]

[jsulm]

@soufsouf How exactly do you test? It is completely unclear from your description! Does the function from the library which you call print anything?

[soufsouf]

@jsulm

yes i am printing the result of the fonction called.

I built a library called Util: libUtil.a where you have for example this fonction :
int StrToInt(const UtilString& aString)
{
int num = aString.toInt();

if(aString.indexOf(".") != -1)
{
    num = RoundToInt(aString.toDouble());

}
return num;

}

and when i call this function in the main of the test project (in which i included the Library):

UtilString num1ToStr = IntToStr(num1,true,5);
std::cout << "Le resultat de 'num1ToStr.IntToStr(num1,true)' est: " << num1ToStr.toStdString()<< endl;

i have always the console with nothing on it.

In an other hand i did a small example with a fonction that print hello and increase the value of an int by +1 and it works just fine.

thank you in advance for your time.

[jsulm]

@soufsouf Try to add std::flush:

std::cout << "Le resultat de 'num1ToStr.IntToStr(num1,true)' est: " << num1ToStr.toStdString()<< endl << std::flush;

Also can you show your main function where you call the library function?

[soufsouf]

in my main :
#include "Util.h"
#include <iostream>
using namespace std;

int main(int argc, char *argv[])
{

QCoreApplication a(argc, argv);
 int num1=52;
 UtilString chaine1="toto "; //(UtilString is define in my librairy)
 std::cout << "La chaine creee par chaine1= toto  est:" <<chaine1.toStdString() << endl; //this works just fine 
 
   UtilString num1ToStr;
  num1ToStr = IntToStr(num1,true,5); //when  i call IntToStr() nothing works anymore even the beginning
   std::cout << "Le resultat de 'num1ToStr.IntToStr(num1,true)' est: " << num1ToStr.toStdString()<< endl; 

return a.exec();
}

[jsulm]

@soufsouf said in Issue with testing librairies:

when i call IntToStr() nothing works anymore even the beginning

Can you show content of IntToStr?

[soufsouf]

int StrToInt(const UtilString& aString)
{
int num = aString.toInt();
if(aString.indexOf(".") != -1)
{
num = RoundToInt(aString.toDouble());
}
return num;
}

[jsulm]

@soufsouf IntToStr not StrToInt

[soufsouf]

@jsulm sorry

UtilString IntToStr(int aValue, bool signPart,int integerPart)
{
UtilString s="";

int intpart=abs(aValue);

if(signPart) s+=((aValue>=0)?"+":"-");

{
    UtilString ss;

    if(integerPart>0)
    {
        ss = UtilString("%1").arg(intpart,integerPart);
        ss.replace(' ','0');
    }
    else
    {
        ss = UtilString("%1").arg(intpart);
    }
    s+=ss;
}

return s;

}

[jsulm]

@soufsouf If you comment out everything in IntToStr and just return an empty string, does it work then?

[soufsouf]

@jsulm no i already did it (but i did it again) no problem during the compilation but the execution give an empty console without any error message :/

[jsulm]

@soufsouf It could be toStdString() from your UtilString, you should check it

[soufsouf]

@jsulm if i hide this line: std::cout << "Le resultat de 'num1ToStr.IntToStr(num1,true)' est: " << num1ToStr.toStdString()<< endl; the beginning of the main is not printed in the console because of the IntToStr() call that is why it can't be something related to the printing ! i has been 3 days now that i am dealling with this issue do not know where to search.

[jsulm]

@soufsouf Did you try to debug step-by-step? Put a break point at the first line in IntToStr().

[soufsouf]

@jsulm I Can not explain why but when you asked me to debug a file in my librairy i changed from release to Debug the compiler of my Library project
And then it worked !!!!
Since my main.cpp to test the project is in Debug mode also i thought you have to be in the same mode in both ( Library and Test ) but when both are in release mode it doesn't work.

Whatever thank you for your indications it'a good step.