source: vbox/trunk/src/libs/xpcom18a4/nsprpub/lib/prstreams/tests/testprstrm/testprstrm.cpp@ 20481

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#include "prinit.h"
#include "prstrms.h"
#include "prio.h"
#include <string.h>
#include <stdio.h>
#if defined(XP_UNIX) || defined(XP_OS2_EMX)
#include <sys/types.h>
#include <sys/stat.h>
#endif

const unsigned int MaxCnt = 1;

void threadwork(void *mytag);


typedef struct threadarg {
    void *mytag;
} threadarg;

void 
#ifdef XP_OS2_VACPP
_Optlink
#endif
threadmain(void *mytag)
{
    threadarg arg;

    arg.mytag = mytag;

    threadwork(&arg);
}


void
threadwork(void *_arg)
{
        threadarg *arg = (threadarg *)_arg;
        unsigned int i;

        char fname1[256];
        char fname2[256];

        strcpy(fname1, (char *)arg->mytag);
        strcpy(fname2, (char *)arg->mytag);
        strcat(fname2, "2");
        PR_Delete(fname1);
        PR_Delete(fname2);

        PRfilebuf *fb[MaxCnt];
        PRifstream *ifs[MaxCnt];
        PRofstream *ofs[MaxCnt];
        int mode = 0;
#ifdef XP_UNIX
        mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IRGRP|S_IWOTH|S_IROTH;
#endif

        //
        // Allocate a bunch
        cout << "Testing unused filebufs ----------------" << endl;
        for (i=0; i < MaxCnt; i++){
                fb[i] = new PRfilebuf;
        }
        // Delete them
        for (i=0; i < MaxCnt; i++){
                delete fb[i];
        }
        cout << "Unused filebufs complete ---------------" << endl;

        //
        // Allocate a bunch
        cout << "Testing unused ifstream -----------------" << endl;
        for (i=0; i < MaxCnt; i++){
          ifs[i] = new PRifstream;
        }
        //
        // Delete them
        for (i=0; i < MaxCnt; i++){
          delete ifs[i];
        }
        cout << "Unused ifstream complete ----------------" << endl;
        //
        // Allocate a bunch
        cout << "Testing unused ofstream -----------------" << endl;
        for (i=0; i < MaxCnt; i++){
                ofs[i] = new PRofstream;
        }
        for (i=0; i < MaxCnt; i++){
          *(ofs[i]) << "A"; // Write a bit
          delete ofs[i]; // Delete it.
        }
        cout << "Unused ofstream complete ----------------" << endl;

        cout << "Testing use of ofstream 1 (extra filebuf allocated) ---------" << endl;
        PRofstream *aos = new PRofstream(fname1, ios::out|ios::ate, mode);
        for (i=0; i < MaxCnt; i++){
          for (int j=0; j < 8192; j++)
                *aos << "AaBbCcDdEeFfGg" << endl;
                fb[i] = new PRfilebuf; // Allocate as we go to hack at the heap
        }
        //
        // Delete the extra foo we allocated
        for (i=0; i < MaxCnt; i++){
          delete fb[i];
        }
        aos->flush(); // Explicit flush
        delete aos;
        cout << "Testing use of ofstream 1 complete (extra filebuf deleted) --" << endl;
        cout << "Testing use of ofstream 2 (extra filebuf allocated) ---------" << endl;
        PRofstream *aos2 = new PRofstream(fname2, ios::out, mode);

        for (i=0; i < MaxCnt; i++){
            *aos2 << "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz";
        }
        // Force flushing in the dtor
        delete aos2;
        cout << "Testing use of ofstream 2 complete (extra filebuf deleted) --" << endl;
        char line[1024];
        cout << "Testing use of ifstream 1 (stack allocation) -------------" << endl;
        PRifstream ais(fname1);
        for (i=0; i < MaxCnt; i++){
                ais >> line;
        }
        cout << "Testing use of ifstream 1 complete -----------------------" << endl;
        cout << "Testing use of ifstream 2 ----------------------" << endl;
        PRifstream *ais2 = new PRifstream(fname2);
        char achar;
        for (i=0; i < MaxCnt*10; i++){
                *ais2 >> achar;
        }
        delete ais2;
        cout << "Testing use of ifstream 2 complete -------------" << endl;
}

#define STACKSIZE 1024*1024
int
main(int argc, char **argv)
{
        PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 256);
        threadmain("TestFile");
        PRThread *thr1 = PR_CreateThread(PR_SYSTEM_THREAD, 
                                         threadmain, 
                                         (void *)"TestFile1",
                                         PR_PRIORITY_NORMAL,
                                         PR_GLOBAL_THREAD,
                                         PR_JOINABLE_THREAD,
                                         STACKSIZE);
        PRThread *thr2 = PR_CreateThread(PR_SYSTEM_THREAD, 
                                         threadmain, 
                                         (void *)"TestFile2",
                                         PR_PRIORITY_NORMAL,
                                         PR_GLOBAL_THREAD,
                                         PR_JOINABLE_THREAD,
                                         STACKSIZE);

        PRThread *thr3 = PR_CreateThread(PR_SYSTEM_THREAD, 
                                         threadmain, 
                                         (void *)"TestFile3",
                                         PR_PRIORITY_NORMAL,
                                         PR_GLOBAL_THREAD,
                                         PR_JOINABLE_THREAD,
                                         STACKSIZE);
        PR_JoinThread(thr1);
        PR_JoinThread(thr2);
        PR_JoinThread(thr3);
        return 0;
}