Tools/WinSN5.0Ver.iso/NETSCAP.50/WIN1998.ZIP/ns/nsprpub/lib/prstreams/tests/testprstrm/testprstrm.cpp

C/C++ Source or Header | 1998-04-08 | 4.7 KB | 183 lines

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include "prinit.h"
#include "prstrms.h"
#include "prio.h"
#include <string.h>
#include <stdio.h>
#ifdef XP_UNIX
#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
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;
}