Files
filex/test/regression_test/filex_unicode_4_test.c
Frédéric DesbiensandCopilot 30e1d491a9 Added copyright headers to files missing them
Applied the standard MIT license header to all project-owned C, header,
assembly, shell, and Python files that were missing a copyright notice.
Third-party, toolchain startup, and auto-generated files were excluded.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-06-06 21:48:17 +02:00

515 lines
24 KiB
C

/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
#ifndef FX_STANDALONE_ENABLE
#include "tx_api.h"
#include "tx_thread.h"
#endif
#include "fx_api.h"
#include "fx_utility.h"
#include "fx_ram_driver_test.h"
#include <stdio.h>
#include <string.h>
#define DEMO_STACK_SIZE 8192
/* Set the cache size as the size of one sector causing frequently IO operation. */
#define CACHE_SIZE 128
/* Define the global variable we may use in the future. */
extern ULONG _fx_ram_driver_copy_default_format;
extern UCHAR large_file_name_format[];
/* Define the ThreadX and FileX object control blocks... */
#ifndef FX_STANDALONE_ENABLE
static TX_THREAD ftest_0;
#endif
static FX_MEDIA ram_disk;
/* Define the counters used in the test application... */
#ifndef FX_STANDALONE_ENABLE
static UCHAR *ram_disk_memory;
static UCHAR *cache_buffer;
#else
static UCHAR cache_buffer[CACHE_SIZE];
#endif
/* Define thread prototypes. */
void filex_unicode_4_application_define(void *first_unused_memory);
static void ftest_0_entry(ULONG thread_input);
VOID _fx_ram_driver(FX_MEDIA *media_ptr);
void test_control_return(UINT status);
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void filex_unicode_4_application_define(void *first_unused_memory)
#endif
{
#ifndef FX_STANDALONE_ENABLE
UCHAR *pointer;
/* Setup the working pointer. */
pointer = (UCHAR *)first_unused_memory;
/* Create the main thread. */
tx_thread_create(&ftest_0, "thread 0", ftest_0_entry, 0,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Setup memory for the RAM disk and the sector cache. */
cache_buffer = pointer;
pointer = pointer + CACHE_SIZE;
ram_disk_memory = pointer;
#endif
/* Initialize the FileX system. */
fx_system_initialize();
#ifdef FX_STANDALONE_ENABLE
ftest_0_entry(0);
#endif
}
static UCHAR long_unicode_name1[] = { 1, 0, 0, 0 };
static UCHAR ascii_file_name[] = { 'a', 'b', 'c', 0 };
static UCHAR specified_ascii_file_name[] = { 'Z', '1', '2', '3', '4', '5', '6', '7', '.', 't', 'x', 't', 0 };
static UCHAR specified_unicode_file_name[] = { 'Z', 0, '1', 0, '2', 0, '3', 0, '4', 0, '5', 0, '6', 0, '7', 0, '.', 0, 't', 0, 'x', 0, 't', 0, 0, 0 };
static UCHAR specified_unicode_file_name_1[] = { 'a', 0, '1', 0, '2', 0, '3', 0, '4', 0, '5', 0, '6', 0, '7', 0, '.', 0, 't', 0, 'x', 0, 't', 0, 0, 0 };
#ifndef FX_DISABLE_ERROR_CHECKING
static UCHAR specified_unicode_file_name_2[] = { 'a', 0, '1', 0, '2', 0, '3', 0, '4', 0, '5', 0, '6', 0, '7', 0, '.', 0, 't', 0, 'x', 0, 0, 't', 0, 0 };
#endif /* FX_DISABLE_ERROR_CHECKING */
/* Define the test threads. */
static void ftest_0_entry(ULONG thread_input)
{
UINT status, length, count;
#ifndef FX_DISABLE_ERROR_CHECKING
UINT new_length, old_length;
#endif /* FX_DISABLE_ERROR_CHECKING */
ULONG ulength;
UCHAR destination_name[128];
UCHAR destination_name_1[128];
UCHAR temp, temp_array[32];
FX_LOCAL_PATH local_path;
FX_FILE my_file;
FX_PARAMETER_NOT_USED(thread_input);
/* Print out some test information banners. */
printf("FileX Test: Unicode 4 test.........................................");
/* Format the media. This needs to be done before opening it! */
status = fx_media_format(&ram_disk,
_fx_ram_driver, // Driver entry
ram_disk_memory_large, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
128, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
70000, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
return_value_if_fail(status == FX_SUCCESS, 2);
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE);
return_value_if_fail(status == FX_SUCCESS, 3);
// Create a file whose name's first byte is 0xe5.
ascii_file_name[0] = 0xe5;
status = fx_file_create(&ram_disk, (CHAR *)ascii_file_name);
return_value_if_fail(status == FX_SUCCESS, 4);
// Attempt to create a unicode file which make fx_unicode_file_create call fx_unicode_directory_search to scan the directory before creation.
// The file we just created will be read during the scannning so that the branch at Line 290 in fx_unicode_directory_search will be covered.
length = fx_unicode_length_get(long_unicode_name1);
status = fx_unicode_file_create(&ram_disk, long_unicode_name1, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_SUCCESS, 5);
// Attempt to create two 8.3 format file by both fx_file_create and fx_unicode_file_create to cover the branch at Line 324 in fx_unicode_directory_search.c
status = fx_file_create(&ram_disk, (CHAR *)specified_ascii_file_name);
return_value_if_fail(status == FX_SUCCESS, 6);
length = fx_unicode_length_get(specified_unicode_file_name);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 7);
// Add test code to cover the branch at Line 146 in fx_unicode_directory_search.c
ascii_file_name[0] = 'a';
status = fx_directory_create(&ram_disk, (CHAR *)ascii_file_name);
#ifndef FX_STANDALONE_ENABLE
status = fx_directory_local_path_set(&ram_disk, &local_path, (CHAR *)ascii_file_name);
#else
status = fx_directory_default_set(&ram_disk, (CHAR *)ascii_file_name);
#endif
return_value_if_fail(status == FX_SUCCESS, 8);
// Clear the name of current directory.
#ifndef FX_STANDALONE_ENABLE
((FX_PATH*)_tx_thread_current_ptr->tx_thread_filex_ptr)->fx_path_directory.fx_dir_entry_name[0] = 0;
#else
status = fx_directory_default_set(&ram_disk, "\\");
#endif
// The file is attempted to be created in the root directory, so it will fail.
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 9);
status = fx_media_close(&ram_disk);
return_value_if_fail(status == FX_SUCCESS, 10);
/* Open the ram_disk in fx_ram_dirver_test.c which contain a long file name dir_entry associated with a free short name entry. */
_fx_ram_driver_copy_default_format = 1;
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, cache_buffer, 128);
return_value_if_fail(status == FX_SUCCESS, 11);
_fx_ram_driver_copy_default_format = 0;
/* Cover the branch around Line 608 in fx_unicode_directory_entry_read.c. */
length = fx_unicode_length_get(specified_unicode_file_name);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_SUCCESS, 12);
/* Create a 8.3 format volume dirctory entry. */
status = fx_media_volume_set(&ram_disk, " . ");
return_value_if_fail(status == FX_SUCCESS, 13);
/* Access our directory to cover the branch at Line 587 in fx_unicode_direcotry_entry_read. */
length = fx_unicode_length_get(specified_unicode_file_name);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 14);
/* Create format volume dirctory entry with 11 blanks. */
status = fx_media_volume_set(&ram_disk, " ");
return_value_if_fail(status == FX_SUCCESS, 15);
/* Access our directory to cover the branch at Line 619 in fx_unicode_direcotry_entry_read. */
length = fx_unicode_length_get(specified_unicode_file_name);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 16);
/* Changed first byte as lowercase. */
specified_unicode_file_name[0] = 'z';
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 17);
/* Create a file whose name is begin with 'a'. */
length = fx_unicode_length_get(specified_unicode_file_name_1);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name_1, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_SUCCESS, 18);
/* Changed first byte as uppercase. */
specified_unicode_file_name_1[0] = 'A';
length = fx_unicode_length_get(specified_unicode_file_name_1);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name_1, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 19);
/* Reuse our disk in fx_ram_driver_test.c to create a set of corrupt dir_entries include a normal dir_entry associated with a specified one whose first byte is 0. */
status = fx_media_close(&ram_disk);
_fx_ram_driver_copy_default_format = 1;
/* Modify the first byte at Line 1738 in fx_ram_driver_test.c. */
temp = large_file_name_format[(1738 - 852) * 16];
large_file_name_format[(1738 - 852) * 16] = 0x00;
/* Modify the first dir_entry, which used to be the first short name dir_entry in the directory, to be the long name of "NT-FILE~.TXT". */
for (count = 0; count < 32; count++)
{
temp_array[count] = large_file_name_format[(1732 - 852) * 16 + count];
large_file_name_format[(1732 - 852) * 16 + count] = large_file_name_format[(1736 - 852) * 16 + count];
}
status += fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, cache_buffer, 128);
return_value_if_fail(status == FX_SUCCESS, 20);
/* Revert all we done. */
_fx_ram_driver_copy_default_format = 0;
large_file_name_format[(1738 - 852) * 16] = temp;
for (count = 0; count < 32; count++)
{
large_file_name_format[(1732 - 852) * 16 + count] = temp_array[count];
}
/* Access the dir_entry we just modified by fx_unicode_name_get. */
status = fx_unicode_name_get(&ram_disk, "NT-FILE~.TXTa", destination_name_1, &ulength);
return_value_if_fail(status == FX_NOT_FOUND, 21);
status = fx_unicode_name_get(&ram_disk, "NT-FILE~.TXT", destination_name_1, &ulength);
return_value_if_fail(status == FX_SUCCESS, 31);
status = fx_unicode_name_get(&ram_disk, "NT-FILE~.TX", destination_name_1, &ulength);
return_value_if_fail(status == FX_NOT_FOUND, 32);
/* Show special performance in our implement. Althought we assign the first byte of some short name dir_entry as 0, fx_unicode_directory_search consider the long file name return by fx_unicode_directory_entry_read as short name so that we will succeed. */
status = fx_unicode_name_get(&ram_disk, "aBcD~", destination_name_1, &ulength);
return_value_if_fail(status == FX_SUCCESS, 33);
#ifndef FX_DISABLE_ERROR_CHECKING
/* Test unicode name checking. */
length = fx_unicode_length_get(specified_unicode_file_name_2);
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_SUCCESS, 21);
length++;
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 22);
length = fx_unicode_length_get(specified_unicode_file_name_2);
status = fx_unicode_directory_create(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_ALREADY_CREATED, 23);
length++;
status = fx_unicode_file_create(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 24);
length = fx_unicode_length_get(specified_unicode_file_name_2);
status = fx_unicode_short_name_get(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_SUCCESS, 25);
length++;
status = fx_unicode_short_name_get(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 26);
status = fx_unicode_short_name_get_extended(&ram_disk, specified_unicode_file_name_2, length, (CHAR *)destination_name, sizeof(destination_name));
return_value_if_fail(status == FX_INVALID_NAME, 26);
/* Test invalid old file name */
old_length = fx_unicode_length_get(specified_unicode_file_name_2);
old_length++;
new_length = fx_unicode_length_get(specified_unicode_file_name_1);
status = fx_unicode_file_rename(&ram_disk, specified_unicode_file_name_2, old_length, specified_unicode_file_name_1, new_length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 27);
status = fx_unicode_directory_rename(&ram_disk, specified_unicode_file_name_2, old_length, specified_unicode_file_name_1, new_length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 28);
/* Test invalid new file name */
old_length = fx_unicode_length_get(specified_unicode_file_name_2);
new_length = fx_unicode_length_get(specified_unicode_file_name_1);
new_length++;
status = fx_unicode_file_rename(&ram_disk, specified_unicode_file_name_2, old_length, specified_unicode_file_name_1, new_length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 29);
status = fx_unicode_directory_rename(&ram_disk, specified_unicode_file_name_2, old_length, specified_unicode_file_name_1, new_length, (CHAR *)destination_name);
return_value_if_fail(status == FX_INVALID_NAME, 30);
old_length = fx_unicode_length_get(long_unicode_name1);
new_length = fx_unicode_length_get(specified_unicode_file_name_2);
status = fx_unicode_file_rename(&ram_disk, long_unicode_name1, old_length, specified_unicode_file_name_2, new_length, (CHAR *)destination_name);
return_value_if_fail(status == FX_NOT_FOUND, 34);
old_length = fx_unicode_length_get(long_unicode_name1);
new_length = fx_unicode_length_get(specified_unicode_file_name_2);
status = fx_unicode_directory_rename(&ram_disk, long_unicode_name1, old_length, specified_unicode_file_name_2, new_length, (CHAR *)destination_name);
return_value_if_fail(status == FX_NOT_FOUND, 35);
#endif
status = fx_media_close(&ram_disk);
return_value_if_fail(status == FX_SUCCESS, 36);
/* Open the ram_disk in fx_ram_dirver_test.c. */
temp_array[0] = large_file_name_format[(1736 - 852) * 16 + 3];
temp_array[1] = large_file_name_format[(1736 - 852) * 16 + 4];
/* Insert 00FF in a long file dir_entry. */
large_file_name_format[(1736 - 852) * 16 + 3] = 0;
large_file_name_format[(1736 - 852) * 16 + 4] = 0xFF;
_fx_ram_driver_copy_default_format = 1;
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, cache_buffer, 128);
return_value_if_fail(status == FX_SUCCESS, 37);
_fx_ram_driver_copy_default_format = 0;
/* Revert all we done. */
large_file_name_format[(1736 - 852) * 16 + 3] = temp_array[0];
large_file_name_format[(1736 - 852) * 16 + 4] = temp_array[1];
/* Attempt to access our directory. */
length = fx_unicode_length_get(specified_ascii_file_name);
status = fx_unicode_file_create(&ram_disk, specified_ascii_file_name, length, (CHAR *)destination_name);
return_value_if_fail(status == FX_SUCCESS, 38);
status = fx_media_close( &ram_disk);
return_if_fail( status == FX_SUCCESS);
/* Format the media. This needs to be done before opening it! */
status = fx_media_format(&ram_disk,
_fx_ram_driver, // Driver entry
ram_disk_memory_large, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
128, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
70000, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
return_if_fail( status == FX_SUCCESS);
/* Backup the data which will be modified later. */
temp_array[0] = large_file_name_format[(1734 - 852) * 16];
temp_array[1] = large_file_name_format[(1734 - 852) * 16 + 11];
/* Modfy the first dir_entry's ordinary number as 0x40 to make number of lfns be zero. */
large_file_name_format[(1734 - 852) * 16] = 0x40;
large_file_name_format[(1734 - 852) * 16 + 11] = (UCHAR)FX_LONG_NAME;
_fx_ram_driver_copy_default_format = 1;
status += fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE);
_fx_ram_driver_copy_default_format = 0;
/* Recover the disk. */
large_file_name_format[(1734 - 852) * 16] = temp_array[0];
large_file_name_format[(1734 - 852) * 16 + 11] = temp_array[1];
/* Access root directory. */
status = fx_unicode_file_create(&ram_disk, specified_ascii_file_name, length, (CHAR *)destination_name);
return_if_fail( status == FX_SUCCESS);
status = fx_media_close( &ram_disk);
return_if_fail( status == FX_SUCCESS);
/* Format the media. This needs to be done before opening it! */
status = fx_media_format(&ram_disk,
_fx_ram_driver, // Driver entry
ram_disk_memory_large, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
128, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
70000, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
return_if_fail( status == FX_SUCCESS);
/* Backup the data which will be modified later. */
temp_array[0] = large_file_name_format[(1734 - 852) * 16];
temp_array[1] = large_file_name_format[(1734 - 852) * 16 + 11];
temp_array[2] = large_file_name_format[(1736 - 852) * 16];
temp_array[3] = large_file_name_format[(1736 - 852) * 16 + 11];
/* Modfy the second dir_entry's ordinary number as 0x40 to make card number be zero. */
large_file_name_format[(1734 - 852) * 16] = 0x42;
large_file_name_format[(1734 - 852) * 16 + 11] = (UCHAR)FX_LONG_NAME;
large_file_name_format[(1736 - 852) * 16] = 0x40;
large_file_name_format[(1736 - 852) * 16 + 11] = (UCHAR)FX_LONG_NAME;
/* Open the disk in fx_ram_driver_test.c */
_fx_ram_driver_copy_default_format = 1;
status += fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE);
return_if_fail( status == FX_SUCCESS);
_fx_ram_driver_copy_default_format = 0;
/* Recover the disk. */
large_file_name_format[(1734 - 852) * 16] = temp_array[0];
large_file_name_format[(1734 - 852) * 16 + 11] = temp_array[1];
large_file_name_format[(1736 - 852) * 16] = temp_array[2];
large_file_name_format[(1736 - 852) * 16 + 11] = temp_array[3];
/* Access root directory. */
status = fx_unicode_file_create(&ram_disk, specified_ascii_file_name, length, (CHAR *)destination_name);
return_if_fail( status == FX_SUCCESS);
status = fx_media_close( &ram_disk);
return_if_fail( status == FX_SUCCESS);
/* Format the media. This needs to be done before opening it! */
status = fx_media_format(&ram_disk,
_fx_ram_driver, // Driver entry
ram_disk_memory_large, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
128, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
70000, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
return_if_fail( status == FX_SUCCESS);
/* Backup the data which will be modified later. */
temp_array[0] = large_file_name_format[(1736 - 852) * 16];
temp_array[1] = large_file_name_format[(1736 - 852) * 16 + 11];
temp_array[2] = large_file_name_format[(1738 - 852) * 16];
temp_array[3] = large_file_name_format[(1738 - 852) * 16 + 11];
/* Modfy the last two dir_entries in root directory, so we have to access the second sector of root directory. */
large_file_name_format[(1736 - 852) * 16] = 0x43;
large_file_name_format[(1736 - 852) * 16 + 11] = (UCHAR)FX_LONG_NAME;
large_file_name_format[(1738 - 852) * 16] = 0x42;
large_file_name_format[(1738 - 852) * 16 + 11] = (UCHAR)FX_LONG_NAME;
/* Open the disk in fx_ram_driver_test.c */
_fx_ram_driver_copy_default_format = 1;
status += fx_media_open( &ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE);
return_if_fail( status == FX_SUCCESS);
_fx_ram_driver_copy_default_format = 0;
/* Recover the disk. */
large_file_name_format[(1734 - 852) * 16] = temp_array[0];
large_file_name_format[(1734 - 852) * 16 + 11] = temp_array[1];
large_file_name_format[(1736 - 852) * 16] = temp_array[2];
large_file_name_format[(1736 - 852) * 16 + 11] = temp_array[3];
/* Access root directory, but set the size of root directory as zero to make a mistake. */
ram_disk.fx_media_root_sectors = 0;
status = fx_unicode_file_create(&ram_disk, specified_ascii_file_name, length, (CHAR *)destination_name);
return_if_fail( status == FX_FILE_CORRUPT);
status = fx_media_close( &ram_disk);
return_if_fail( status == FX_SUCCESS);
status = fx_media_format(&ram_disk,
_fx_ram_driver, // Driver entry
ram_disk_memory_large, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
128, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
70000, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
status += fx_media_open( &ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE);
return_if_fail( status == FX_SUCCESS);
status = fx_file_create( &ram_disk, "src");
status += fx_file_open( &ram_disk, &my_file, "src", FX_OPEN_FOR_WRITE);
status += fx_file_write( &my_file, "hello", 5);
return_if_fail( status == FX_SUCCESS);
/* IO error in fx_utility_FAT_map_flush.c while calling fx_utility_logical_sector_read. */
_fx_utility_logical_sector_read_error_request = 2;
status = fx_media_close( &ram_disk);
printf("SUCCESS!\n");
test_control_return(0);
}