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filex/test/regression_test/filex_file_seek_test.c
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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

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/***************************************************************************/
/* 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 */
/***************************************************************************/
/* This FileX test concentrates on the file seek operation. */
#ifndef FX_STANDALONE_ENABLE
#include "tx_api.h"
#endif
#include "fx_api.h"
#include <stdio.h>
#include "fx_ram_driver_test.h"
#define DEMO_STACK_SIZE 4096
#define CACHE_SIZE 128*128
/* Define the ThreadX and FileX object control blocks... */
#ifndef FX_STANDALONE_ENABLE
static TX_THREAD ftest_0;
#endif
static FX_MEDIA ram_disk;
static FX_FILE my_file;
/* 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
static UCHAR buffer[128];
/* Define thread prototypes. */
void filex_file_seek_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_file_seek_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
}
/* Define the test threads. */
static void ftest_0_entry(ULONG thread_input)
{
UINT status;
ULONG actual;
ULONG read_value;
ULONG write_value;
ULONG available_bytes;
ULONG i;
FX_PARAMETER_NOT_USED(thread_input);
/* Print out some test information banners. */
printf("FileX Test: File seek 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, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
CACHE_SIZE, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
512, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
/* Determine if the format had an error. */
if (status)
{
printf("ERROR!\n");
test_control_return(2);
}
/* Attempt to seek before the media is opened to generate an error */
status = fx_file_extended_seek(&my_file, 0);
if (status != FX_NOT_OPEN)
{
printf("ERROR!\n");
test_control_return(2);
}
/* Attempt to seek before the media is opened to generate an error */
status = fx_file_extended_relative_seek(&my_file, 0, 0);
if (status != FX_NOT_OPEN)
{
printf("ERROR!\n");
test_control_return(3);
}
/* Open the ram_disk. */
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, cache_buffer, CACHE_SIZE);
/* Check the status. */
if (status != FX_SUCCESS)
{
/* Error, return error code. */
printf("ERROR!\n");
test_control_return(4);
}
/* Create a file called TEST.TXT in the root directory. */
status = fx_file_create(&ram_disk, "TEST.TXT");
/* Check the create status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(5);
}
/* Open the test file. */
status = fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_WRITE);
/* Check the file open status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(6);
}
/* Attempt to seek before the media is opened to generate an error */
status = fx_file_extended_relative_seek(&my_file, 0xFFFFFFFFFFFFFFFF, FX_SEEK_BACK);
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(7);
}
/* test error checking */
#ifndef FX_DISABLE_ERROR_CHECKING
/* send null pointer to generate an error */
status = fx_media_space_available(FX_NULL, FX_NULL);
if (status != FX_PTR_ERROR)
{
printf("ERROR!\n");
test_control_return(8);
}
/* send an invalid option to generate an error */
status = fx_file_relative_seek(&my_file, 0xFFFFFFFF, 4);
if (status != FX_INVALID_OPTION)
{
printf("ERROR!\n");
test_control_return(9);
}
/* send null pointer to generate an error */
status = fx_file_extended_seek(FX_NULL, 0xFF);
if (status != FX_PTR_ERROR)
{
printf("ERROR!\n");
test_control_return(10);
}
/* send null pointer to generate an error */
status = fx_file_extended_relative_seek(FX_NULL, 0xFF, FX_SEEK_BEGIN);
if (status != FX_PTR_ERROR)
{
printf("ERROR!\n");
test_control_return(11);
}
/* send null pointer to generate an error */
status = fx_file_extended_relative_seek(&my_file, 0xFF, 4);
if (status != FX_INVALID_OPTION)
{
printf("ERROR!\n");
test_control_return(12);
}
#endif /* FX_DISABLE_ERROR_CHECKING */
/* Pickup the available bytes in the media. */
status = fx_media_space_available(&ram_disk, &available_bytes);
/* Check for available bytes error. */
if ((status != FX_SUCCESS) || (available_bytes < sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(13);
}
/* Loop to write successive bytes out to the file.... to fill the media! */
i = 0;
write_value = 0;
while (i < available_bytes)
{
/* Write 4 bytes to the file. */
status = fx_file_write(&my_file, (void *) &write_value, sizeof(ULONG));
/* Check the file write status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(14);
}
/* Increment byte count. */
i = i + sizeof(ULONG);
/* Increment write value. */
write_value++;
}
/* Pickup the available bytes in the media again. */
status = fx_media_space_available(&ram_disk, &i);
/* Check for available bytes error. */
if ((status != FX_SUCCESS) || (i != 0))
{
printf("ERROR!\n");
test_control_return(15);
}
#ifndef FX_DISABLE_CACHE
/* At this point, we should invalidate the (which also flushes the cache) media to ensure that all
dirty sectors are written. */
status = fx_media_cache_invalidate(&ram_disk);
/* Check for invalidate errors. */
if ((status != FX_SUCCESS) || (ram_disk.fx_media_sector_cache_dirty_count))
{
printf("ERROR!\n");
test_control_return(16);
}
/* See if any sectors are still valid in the cache. */
for (i = 0; i < FX_MAX_SECTOR_CACHE; i++)
{
/* Determine if this cache entry is still valid. */
if (ram_disk.fx_media_sector_cache[i].fx_cached_sector_valid)
{
printf("ERROR!\n");
test_control_return(17);
}
}
#endif
/* Seek to the beginning of the test file. */
status = fx_file_seek(&my_file, 0);
/* Check the file seek status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(18);
}
/* Read the 4 bytes at the front of the file... should be 0! */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != 0) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(19);
}
/* Read the next 4 bytes at the front of the file... should be 1! */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != 1) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(20);
}
/* Seek to near the last 4 bytes of the file. */
status = fx_file_seek(&my_file, available_bytes - 4);
/* Read the last 4 bytes of the file... should be available_bytes/sizeof(ULONG)! */
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != (available_bytes/sizeof(ULONG) - 1)) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(21);
}
/* Read the past the end of the file... should get an error in this case. */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if (status != FX_END_OF_FILE)
{
printf("ERROR!\n");
test_control_return(22);
}
/* Seek to the middle of the file. */
status = fx_file_seek(&my_file, available_bytes/2);
/* Read the middle 4 bytes of the file... should be (available_bytes/2)/sizeof(ULONG)! */
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != (available_bytes/(2*sizeof(ULONG)))) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(23);
}
/* Seek to the end of the file. */
status = fx_file_seek(&my_file, 0xFFFFFFFF);
/* Determine if it is correct. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(24);
}
/* Close the file. */
status += fx_file_close(&my_file);
/* Open the test file for fast reading. */
status += fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_READ_FAST);
/* Check the file open status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(25);
}
/* Read the 4 bytes at the front of the file... should be 0! */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != 0) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(26);
}
/* Read the next 4 bytes at the front of the file... should be 1! */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != 1) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(27);
}
/* Seek to near the last 4 bytes of the file. */
status = fx_file_seek(&my_file, available_bytes - 4);
/* Read the last 4 bytes of the file... should be available_bytes/sizeof(ULONG)! */
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != (available_bytes/sizeof(ULONG) - 1)) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(28);
}
/* Read the past the end of the file... should get an error in this case. */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if (status != FX_END_OF_FILE)
{
printf("ERROR!\n");
test_control_return(29);
}
/* Seek to the middle of the file. */
status = fx_file_seek(&my_file, available_bytes/2);
/* Read the middle 4 bytes of the file... should be (available_bytes/2)/sizeof(ULONG)! */
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != (available_bytes/(2*sizeof(ULONG)))) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(30);
}
/* Seek to the end of the file. */
status = fx_file_seek(&my_file, 0xFFFFFFFF);
/* Determine if it is correct. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(31);
}
/* Close the file. */
status += fx_file_close(&my_file);
/* Open the test file for reading. */
status += fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_READ);
/* Check the file open status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(32);
}
/* Only run this if error checking is enabled */
#ifndef FX_DISABLE_ERROR_CHECKING
/* send null pointer to generate an error */
status = fx_file_relative_seek(FX_NULL, 0, FX_SEEK_BEGIN);
if (status != FX_PTR_ERROR)
{
printf("ERROR!\n");
test_control_return(33);
}
#endif /* FX_DISABLE_ERROR_CHECKING */
/* Read the 4 bytes at the front of the file... should be 0! */
status = fx_file_relative_seek(&my_file, 0, FX_SEEK_BEGIN);
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != 0) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(34);
}
/* Read the next 4 bytes at the front of the file... should be 1! */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != 1) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(35);
}
/* Seek to near the last 4 bytes of the file. */
status = fx_file_relative_seek(&my_file, 0xFFFFFFFF, FX_SEEK_BEGIN);
status += fx_file_relative_seek(&my_file, 4, FX_SEEK_BACK);
/* Read the last 4 bytes of the file... should be available_bytes/sizeof(ULONG)! */
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != (available_bytes/sizeof(ULONG) - 1)) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(36);
}
/* Read the past the end of the file... should get an error in this case. */
status = fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if (status != FX_END_OF_FILE)
{
printf("ERROR!\n");
test_control_return(37);
}
/* Seek to the middle of the file. */
status = fx_file_relative_seek(&my_file, 0xFFFFFFFF, FX_SEEK_END);
status += fx_file_relative_seek(&my_file, available_bytes/2, FX_SEEK_FORWARD);
/* Read the middle 4 bytes of the file... should be (available_bytes/2)/sizeof(ULONG)! */
status += fx_file_read(&my_file, (void *) &read_value, sizeof(ULONG), &actual);
/* Determine if it is correct. */
if ((status) || (read_value != (available_bytes/(2*sizeof(ULONG)))) || (actual != sizeof(ULONG)))
{
printf("ERROR!\n");
test_control_return(38);
}
/* Seek to the end of the file. */
status = fx_file_relative_seek(&my_file, 0, FX_SEEK_END);
/* Determine if it is correct. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(39);
}
/* Close the file. */
status += fx_file_close(&my_file);
/* Close the media. */
status += fx_media_close(&ram_disk);
/* Determine if the test was successful. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(40);
}
/* Test corner cases of extended seek. */
/* 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, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
CACHE_SIZE, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
512, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
/* Determine if the format had an error. */
if (status)
{
printf("ERROR!\n");
test_control_return(41);
}
/* Open the ram_disk. */
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, cache_buffer, CACHE_SIZE);
/* Check the status. */
if (status != FX_SUCCESS)
{
/* Error, return error code. */
printf("ERROR!\n");
test_control_return(42);
}
/* Create a file called TEST.TXT in the root directory. */
status = fx_file_create(&ram_disk, "TEST.TXT");
/* Check the create status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(43);
}
/* Open the test file. */
status = fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_WRITE);
/* Check the file open status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(44);
}
/* Write data to the file. */
status = fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
status += fx_file_write(&my_file, buffer, 128);
/* Check the status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(45);
}
/* Seek to the beginning of the file. */
status = fx_file_extended_seek(&my_file, 0);
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(46);
}
/* Seek to the second to beginning of the last cluster of the file. */
status = fx_file_extended_seek(&my_file, 1024-128);
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(47);
}
/* Seek to the end of the file with an I/O error. */
_fx_utility_fat_entry_read_error_request = 1;
status = fx_file_extended_seek(&my_file, 1024);
_fx_utility_fat_entry_read_error_request = 0;
if (status != FX_IO_ERROR)
{
printf("ERROR!\n");
test_control_return(48);
}
/* Seek to the end of the file with a FAT entry of 1 error. */
status = fx_file_extended_seek(&my_file, 0);
_fx_utility_fat_entry_read_error_request = 10001;
status += fx_file_extended_seek(&my_file, 1024);
_fx_utility_fat_entry_read_error_request = 0;
if (status != FX_FILE_CORRUPT)
{
printf("ERROR!\n");
test_control_return(49);
}
/* Seek to the end of the file with a FAT entry of max fat value error. */
_fx_utility_fat_entry_read_error_request = 20001;
status = fx_file_extended_seek(&my_file, 1024);
_fx_utility_fat_entry_read_error_request = 0;
if (status != FX_FILE_CORRUPT)
{
printf("ERROR!\n");
test_control_return(50);
}
/* Seek to the end of the file with a FAT entry of minimal value error. */
_fx_utility_fat_entry_read_error_request = 10008;
status = fx_file_extended_seek(&my_file, 1024);
_fx_utility_fat_entry_read_error_request = 0;
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(51);
}
/* Close the file and the media. */
status = fx_file_close(&my_file);
status += fx_media_close(&ram_disk);
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(52);
}
/* Test zero divisor checking in fx_file_extended_seek. */
/* 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, // RAM disk memory pointer
cache_buffer, // Media buffer pointer
CACHE_SIZE, // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
512, // Total sectors
128, // Sector size
1, // Sectors per cluster
1, // Heads
1); // Sectors per track
/* Determine if the format had an error. */
if (status)
{
printf("ERROR!\n");
test_control_return(53);
}
/* Open the ram_disk. */
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, cache_buffer, CACHE_SIZE);
/* Check the status. */
if (status != FX_SUCCESS)
{
/* Error, return error code. */
printf("ERROR!\n");
test_control_return(54);
}
/* Create a file called TEST.TXT in the root directory. */
status = fx_file_create(&ram_disk, "TEST.TXT");
/* Check the create status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(55);
}
/* Open the test file. */
status = fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_WRITE);
/* Check the file open status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(56);
}
/* Check the status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(57);
}
/* Corrupt the media. */
ram_disk.fx_media_bytes_per_sector = 0;
status = fx_file_extended_seek(&my_file, 1);
if (status != FX_MEDIA_INVALID)
{
printf("ERROR!\n");
test_control_return(58);
}
ram_disk.fx_media_bytes_per_sector = 128;
/* Write data to the file. */
status = fx_file_write(&my_file, buffer, 128);
/* Corrupt the media. */
ram_disk.fx_media_sectors_per_FAT = 0;
status = fx_file_write(&my_file, buffer, 128);
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(59);
}
/* Close the file and the media. */
status = fx_file_close(&my_file);
/* Check the file open status. */
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(60);
}
/* Corrupt the media. */
ram_disk.fx_media_bytes_per_sector = 0;
/* Open the test file. */
status = fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_WRITE);
/* Check the file open status. */
if (status != FX_MEDIA_INVALID)
{
printf("ERROR!\n");
test_control_return(56);
}
ram_disk.fx_media_bytes_per_sector = 128;
status = fx_media_close(&ram_disk);
if (status != FX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(60);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
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