/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Some file manipulation via STDIO

* 

*

*/

#include <stdlib.h>	/* definition of exit() */

#include <stdio.h>

#include <errno.h>

#include <string.h>

#include <unistd.h>	/* for getcwd */

#include <sys/fcntl.h>	/* for O_RDONLY */

#include "CTEST.H"

test_Data;

char *poem[] = {

    "I wandered lonely as a cloud\n",

    "That floats on high o'er hill and vale\n",

    0

};

char *extraline = "Something something daffodils";

char *finalpoem = 

    "I wandered lonely as a cloud\n"

    "That floats on high o'er hill and vale\n"

    "Something something daffodils";

wchar_t* filename = L"c:\\tfiles\x20AC.txt";

/**

@SYMTestCaseID          SYSLIB-STDLIB-CT-1090

@SYMTestCaseDesc	    Tests for POSIX 1003.1 file manipulation routines

@SYMTestPriority 	    High

@SYMTestActions  	    Create a new file and write some text into it,check for errors

                        Open a file for appending,close and open to read back the file.Check for errors

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/		

void daffodils()

	{

	FILE *in, *out;

	char *cp, buf[256];

	int n, err;

	test_Next("Writing simple text file");

	out = wfopen(filename, L"w");

	test(out != 0); 

	for (n=0; poem[n]; n++)

	    {

	    err=fputs(poem[n], out);

		test(err>=0);

	    }

	fclose(out);

	/* 2. Open a file for appending */

	test_Next("Open file for appending");

	out = wfopen(filename, L"a");

	test(out != 0);

	n = fwrite(extraline, 1, strlen(extraline), out);

	test(n == (int)strlen(extraline));

	fclose(out);

	/* 3. Read back the file */

	test_Next("Read back the file using fread");

	in = wfopen(filename, L"r");

	test(in != 0);

	cp = finalpoem;

	do

	    {

	    n = fread(buf, 1, 17, in);

	    test(n >= 0);

		if (n>0)

			test(strncmp(buf,cp,n)==0);

		cp += n;

	    }

	while (!feof(in));

	fclose(in);

	/* 4. Read back the file a line at a time */

	test_Next("Read back the file using fgets");

	in = wfopen(filename, L"r");

	test(in != 0);

	n = 0;

	do

	    {

	    cp = fgets(buf, sizeof(buf), in);

	    test(cp != NULL);

		if (poem[n])

			{

			test(strcmp(cp,poem[n])==0);

			n++;

			}

		else

			test(strcmp(cp,extraline)==0);

	    }

	while (!feof(in));

	fclose(in);

	}

/**

@SYMTestCaseID          SYSLIB-STDLIB-CT-1091

@SYMTestCaseDesc	    Tests for POSIX 1003.1 file manipulation routines

@SYMTestPriority 	    High

@SYMTestActions  	    Open a file 100 times and close them in different orders.Test for the error code. 

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/		

#define NFILES 100

void maxfiles()

	{

	int fids[NFILES];

	int i,n;

	test_Next("Open file 100 times, close in reverse order");

	for (i=0; i<NFILES; i++)

		{

		fids[i] = wopen(filename, O_RDONLY);

		test(fids[i]>=0);

		}

	for (i=NFILES-1; i>=0; i--)

		{

		close(fids[i]);

		}

	test_Next("Open file 100 times, close in same order");

	for (i=0; i<NFILES; i++)

		{

		fids[i] = wopen(filename, O_RDONLY);

		test(fids[i]>=0);

		}

	for (i=0; i<NFILES; i++)

		{

		close(fids[i]);

		}

	test_Next("Open file 100 times, close in mod 7 order");

	for (i=0; i<NFILES; i++)

		{

		fids[i] = wopen(filename, O_RDONLY);

		test(fids[i]>=0);

		}

	for (i=0,n=0; i<NFILES; i++)

		{

		close(fids[n]);

		n += 7;

		if (n >= NFILES)

			n -= NFILES;

		}

	}

int close_console=0;

void allTests()

	{

	daffodils();

	maxfiles();

	if (close_console)

		{

		test_Close();

		close(0);

		close(1);

		close(2);

		}

	}

int main()

	{

	void* client;

	int err;

	test_Title("TWFILES");

	allTests();

	test_Next("Do it again using the CPosixServer (for them, not me)");

	close_console=1;

	start_posix_server();	/* calls SpawnPosixServer from C++ code */

	client=create_thread(allTests, "TWFILES tests");

	test(client!=0);

	start_thread(client);

	err=wait_for_thread(client);

	test(err==0);

	test_Close();

	return 0;

	}