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sane-project-backends/frontend/tstbackend.c

1766 wiersze
53 KiB
C
Czysty Wina Historia

/*
tstbackend -- backend test utility
Uses the SANE library.
Copyright (C) 2002 Frank Zago (fzago@greshamstorage.com)
This file is part of the SANE package.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA.
*/
#define BUILD 16 /* 2002-04-19 */
#include "../include/sane/config.h"
#include <assert.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "../include/sane/sane.h"
#include "../include/sane/sanei.h"
#include "../include/sane/saneopts.h"
static struct option basic_options[] = {
{"device-name", required_argument, NULL, 'd'},
{"level", required_argument, NULL, 'l'},
{"recursion", required_argument, NULL, 'r'},
{"help", 0, NULL, 'h'}
};
static void
test_options (SANE_Device * device, int can_do_recursive);
enum message_level {
MSG, /* info message */
INF, /* non-urgent warning */
WRN, /* warning */
ERR, /* error, test can continue */
FATAL, /* error, test can't/mustn't continue */
BUG /* bug in tstbackend */
};
int message_number_wrn = 0;
int message_number_err = 0;
long long checks_done = 0;
int test_level;
/* Maybe add that to sane.h */
#define SANE_OPTION_IS_GETTABLE(cap) (((cap) & (SANE_CAP_SOFT_DETECT | SANE_CAP_INACTIVE)) == SANE_CAP_SOFT_DETECT)
/*--------------------------------------------------------------------------*/
/* Display the message error statistics. */
static void display_stats(void)
{
printf("warnings: %d error: %d checks: %lld\n",
message_number_wrn, message_number_err, checks_done);
}
/*
* If the condition is false, display a message with some headers
* depending on the level.
*
* Returns the condition.
*
*/
#ifdef __GNUC__
static int check(enum message_level, int condition, const char *format, ...) __attribute__ ((format (printf, 3, 4)));
#endif
static int check(enum message_level level, int condition, const char *format, ...)
{
char str[1000];
va_list args;
if (level != MSG && level != INF) checks_done ++;
if (condition != 0)
return condition;
va_start(args, format);
vsprintf(str, format, args);
va_end(args);
switch(level) {
case MSG:
printf(" %s\n", str);
break;
case INF: /* info */
printf("info : %s\n", str);
break;
case WRN: /* warning */
printf("warning : %s\n", str);
message_number_wrn ++;
break;
case ERR: /* error */
printf("ERROR : %s\n", str);
message_number_err ++;
break;
case FATAL: /* fatal error */
printf("FATAL ERROR : %s\n", str);
message_number_err ++;
break;
case BUG: /* bug in tstbackend */
printf("tstbackend BUG : %s\n", str);
break;
}
if (level == FATAL || level == BUG) {
/* Fatal error. Generate a core dump. */
display_stats();
abort();
}
fflush(stdout);
return(0);
}
/*--------------------------------------------------------------------------*/
#define GUARDS_SIZE 4 /* 4 bytes */
#define GUARD1 ((SANE_Word)0x5abf8ea5)
#define GUARD2 ((SANE_Word)0xa58ebf5a)
/* Allocate the requested memory plus enough room to store some guard bytes. */
static void *guards_malloc(size_t size)
{
unsigned char *ptr;
size += 2*GUARDS_SIZE;
ptr = malloc(size);
assert(ptr);
ptr += GUARDS_SIZE;
return(ptr);
}
/* Free some memory allocated by guards_malloc. */
static void guards_free(void *ptr)
{
unsigned char *p = ptr;
p -= GUARDS_SIZE;
free(p);
}
/* Set the guards */
static void guards_set(void *ptr, size_t size)
{
SANE_Word *p;
p = (SANE_Word *)(((unsigned char *)ptr) - GUARDS_SIZE);
*p = GUARD1;
p = (SANE_Word *)(((unsigned char *)ptr) + size);
*p = GUARD2;
}
/* Check that the guards have not been tampered. */
static void guards_check(void *ptr, size_t size)
{
SANE_Word *p;
p = (SANE_Word *)(((unsigned char *)ptr) - GUARDS_SIZE);
check(FATAL, (*p == GUARD1),
"guard before the block has been tampered");
p = (SANE_Word *)(((unsigned char *)ptr) + size);
check(FATAL, (*p == GUARD2),
"guard after the block has been tampered");
}
/*--------------------------------------------------------------------------*/
static void
test_parameters (SANE_Device * device, SANE_Parameters *params)
{
SANE_Status status;
SANE_Parameters p;
status = sane_get_parameters (device, &p);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot get the parameters (error %s)", sane_strstatus(status));
check(FATAL, ((p.format == SANE_FRAME_GRAY) ||
(p.format == SANE_FRAME_RGB) ||
(p.format == SANE_FRAME_RED) ||
(p.format == SANE_FRAME_GREEN) ||
(p.format == SANE_FRAME_BLUE)),
"parameter format is not a known SANE_FRAME_* (%d)", p.format);
check(FATAL, ((p.last_frame == SANE_FALSE) ||
(p.last_frame == SANE_TRUE)),
"parameter last_frame is neither SANE_FALSE or SANE_TRUE (%d)", p.last_frame);
check(FATAL, ((p.depth == 1) ||
(p.depth == 8) ||
(p.depth == 16)),
"parameter depth is neither 1, 8 or 16 (%d)", p.depth);
if (params) {
*params = p;
}
}
/* Try to set every option in a word list. */
static void
test_options_word_list (SANE_Device * device, int option_num,
const SANE_Option_Descriptor *opt,
int can_do_recursive)
{
SANE_Status status;
int i;
SANE_Int val_int;
SANE_Int info;
check(FATAL, (opt->type == SANE_TYPE_INT ||
opt->type == SANE_TYPE_FIXED),
"type must be SANE_TYPE_INT or SANE_TYPE_FIXED (%d)", opt->type);
if (!SANE_OPTION_IS_SETTABLE(opt->cap)) return;
for (i=1; i<opt->constraint.word_list[0]; i++) {
info = 0x1010; /* garbage */
val_int = opt->constraint.word_list[i];
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, &info);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot set a settable option (status=%s)", sane_strstatus(status));
check(WRN, ((info & ~(SANE_INFO_RELOAD_OPTIONS |
SANE_INFO_RELOAD_PARAMS)) == 0),
"sane_control_option set an invalid info (%d)", info);
if ((info & SANE_INFO_RELOAD_OPTIONS) && can_do_recursive) {
test_options(device, can_do_recursive-1);
}
if (info & SANE_INFO_RELOAD_PARAMS) {
test_parameters(device, NULL);
}
/* The option might have become inactive or unsettable. Skip it. */
if (!SANE_OPTION_IS_ACTIVE(opt->cap) ||
!SANE_OPTION_IS_SETTABLE(opt->cap))
return;
}
}
/* Try to set every option in a string list. */
static void
test_options_string_list (SANE_Device * device, int option_num,
const SANE_Option_Descriptor *opt,
int can_do_recursive)
{
SANE_Int info;
SANE_Status status;
SANE_String val_string;
int i;
check(FATAL, (opt->type == SANE_TYPE_STRING),
"type must be SANE_TYPE_STRING (%d)", opt->type);
if (!SANE_OPTION_IS_SETTABLE(opt->cap)) return;
for (i=0; opt->constraint.string_list[i] != NULL; i++) {
val_string = strdup(opt->constraint.string_list[i]);
assert(val_string);
check(WRN, (strlen(val_string) < (size_t)opt->size),
"string [%s] is longer than the max size (%d)",
val_string, opt->size);
info = 0xE1000; /* garbage */
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, val_string, &info);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot set a settable option (status=%s)", sane_strstatus(status));
check(WRN, ((info & ~(SANE_INFO_RELOAD_OPTIONS |
SANE_INFO_RELOAD_PARAMS)) == 0),
"sane_control_option set an invalid info (%d)", info);
free(val_string);
if ((info & SANE_INFO_RELOAD_OPTIONS) && can_do_recursive) {
test_options(device, can_do_recursive-1);
}
if (info & SANE_INFO_RELOAD_PARAMS) {
test_parameters(device, NULL);
}
/* The option might have become inactive or unsettable. Skip it. */
if (!SANE_OPTION_IS_ACTIVE(opt->cap) ||
!SANE_OPTION_IS_SETTABLE(opt->cap))
return;
}
}
/* Test the consistency of the options. */
static void
test_options (SANE_Device * device, int can_do_recursive)
{
SANE_Word info;
SANE_Int num_dev_options;
SANE_Status status;
const SANE_Option_Descriptor *opt;
int option_num;
void *optval; /* value for the option */
size_t optsize; /* size of the optval buffer */
/*
* Test option 0
*/
opt = sane_get_option_descriptor (device, 0);
check(FATAL, (opt != NULL),
"cannot get option descriptor for option 0 (it must exist)");
check(INF, (opt->cap == SANE_CAP_SOFT_DETECT),
"invalid capabilities for option 0 (%d)", opt->cap);
check(ERR, (opt->type == SANE_TYPE_INT),
"option 0 type must be SANE_TYPE_INT");
/* Get the number of options. */
status = sane_control_option (device, 0, SANE_ACTION_GET_VALUE, &num_dev_options, 0);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot get option 0 value");
/* Try to change the number of options. */
status = sane_control_option (device, 0, SANE_ACTION_SET_VALUE,
&num_dev_options, &info);
check(WRN, (status != SANE_STATUS_GOOD),
"the option 0 value can be set");
/*
* Test all options
*/
option_num = 0;
for (option_num = 0; option_num < num_dev_options; option_num++) {
/* Get the option descriptor */
opt = sane_get_option_descriptor (device, option_num);
check(FATAL, (opt != NULL),
"cannot get option descriptor for option %d", option_num);
check(WRN, ((opt->cap & ~(SANE_CAP_SOFT_SELECT |
SANE_CAP_HARD_SELECT |
SANE_CAP_SOFT_DETECT |
SANE_CAP_EMULATED |
SANE_CAP_AUTOMATIC |
SANE_CAP_INACTIVE |
SANE_CAP_ADVANCED |
SANE_CAP_ALWAYS_SETTABLE)) == 0),
"invalid capabilities for option [%d, %s] (%x)", option_num, opt->name, opt->cap);
check(WRN, (opt->title != NULL),
"option [%d, %s] must have a title", option_num, opt->name);
check(WRN, (opt->desc != NULL),
"option [%d, %s] must have a description", option_num, opt->name);
if (!SANE_OPTION_IS_ACTIVE (opt->cap)) {
/* Option not active. Skip the remaining tests. */
continue;
}
if (opt->type == SANE_TYPE_GROUP) {
check(INF, (opt->name == NULL || *opt->name == 0),
"option [%d, %s] has a name", option_num, opt->name);
} else {
if (option_num == 0) {
check(ERR, (opt->name != NULL && *opt->name ==0),
"option 0 must have an empty name (ie. \"\")");
} else {
check(ERR, (opt->name != NULL && *opt->name !=0),
"option %d must have a name", option_num);
}
}
/* The option name must contain only "a".."z",
"0".."9" and "-" and must start with "a".."z". */
if (opt->name && opt->name[0]) {
const char *p = opt->name;
check(ERR, (*p >= 'a' && *p <= 'z'),
"name for option [%d, %s] must start with in letter in [a..z]",
option_num, opt->name);
p++;
while(*p) {
check(ERR, ((*p >= 'a' && *p <= 'z') ||
(*p == '-') ||
(*p >= '0' && *p <= '9')),
"name for option [%d, %s] must only have the letters [-a..z0..9]",
option_num, opt->name);
p++;
}
}
optval = NULL;
optsize = 0;
switch(opt->type) {
case SANE_TYPE_BOOL:
check(WRN, (opt->size == sizeof(SANE_Word)),
"size of option %s is incorrect", opt->name);
optval = guards_malloc(opt->size);
optsize = opt->size;
check(WRN, (opt->constraint_type == SANE_CONSTRAINT_NONE),
"invalid constraint type for option [%d, %s] (%d)", option_num, opt->name, opt->constraint_type);
break;
case SANE_TYPE_INT:
case SANE_TYPE_FIXED:
check(WRN, (opt->size > 0 && (opt->size % sizeof(SANE_Word) == 0)),
"invalid size for option %s", opt->name);
optval = guards_malloc(opt->size);
optsize = opt->size;
check(WRN, (opt->constraint_type == SANE_CONSTRAINT_NONE ||
opt->constraint_type == SANE_CONSTRAINT_RANGE ||
opt->constraint_type == SANE_CONSTRAINT_WORD_LIST),
"invalid constraint type for option [%d, %s] (%d)", option_num, opt->name, opt->constraint_type);
break;
case SANE_TYPE_STRING:
check(WRN, (opt->size >= 1),
"size of option [%d, %s] must be at least 1 for the NUL terminator", option_num, opt->name);
check(INF, (opt->unit == SANE_UNIT_NONE),
"unit of option [%d, %s] is not SANE_UNIT_NONE", option_num, opt->name);
check(WRN, (opt->constraint_type == SANE_CONSTRAINT_STRING_LIST ||
opt->constraint_type == SANE_CONSTRAINT_NONE),
"invalid constraint type for option [%d, %s] (%d)", option_num, opt->name, opt->constraint_type);
optval = guards_malloc(opt->size);
optsize = opt->size;
break;
case SANE_TYPE_BUTTON:
case SANE_TYPE_GROUP:
check(INF, (opt->unit == SANE_UNIT_NONE),
"option [%d, %s], unit is not SANE_UNIT_NONE", option_num, opt->name);
check(INF, (opt->size == 0),
"option [%d, %s], size is not 0", option_num, opt->name);
check(WRN, (opt->constraint_type == SANE_CONSTRAINT_NONE),
"invalid constraint type for option [%d, %s] (%d)", option_num, opt->name, opt->constraint_type);
break;
default:
check(ERR, 0,
"invalid type %d for option %s",
opt->type, opt->name);
break;
}
if (optval) {
/* This is an option with a value */
/* get with NULL info.
*
* The SANE standard is not explicit on that subject. I
* consider that an inactive option shouldn't be read by a
* frontend because its value is meaningless. I think
* that, in that case, SANE_STATUS_INVAL is an appropriate
* return.
*/
guards_set(optval, optsize);
status = sane_control_option (device, option_num,
SANE_ACTION_GET_VALUE, optval, NULL);
guards_check(optval, optsize);
if (SANE_OPTION_IS_GETTABLE (opt->cap)) {
check(ERR, (status == SANE_STATUS_GOOD),
"cannot get option [%d, %s] value, although it is active (%s)", option_num, opt->name, sane_strstatus(status));
} else {
check(ERR, (status == SANE_STATUS_INVAL),
"was able to get option [%d, %s] value, although it is not active", option_num, opt->name);
}
/* set with NULL info */
guards_set(optval, optsize);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, optval, NULL);
guards_check(optval, optsize);
if (SANE_OPTION_IS_SETTABLE (opt->cap) && SANE_OPTION_IS_ACTIVE (opt->cap)) {
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option [%d, %s] value, although it is active and settable (%s)", option_num, opt->name, sane_strstatus(status));
} else {
check(ERR, (status == SANE_STATUS_INVAL),
"was able to set option [%d, %s] value, although it is not active or settable", option_num, opt->name);
}
/* Get with invalid info. Since if is a get, info should be either
* ignored or set to 0. */
info = 0xdeadbeef;
guards_set(optval, optsize);
status = sane_control_option (device, option_num, SANE_ACTION_GET_VALUE,
optval, &info);
guards_check(optval, optsize);
if (SANE_OPTION_IS_GETTABLE (opt->cap)) {
check(ERR, (status == SANE_STATUS_GOOD),
"cannot get option [%d, %s] value, although it is active (%s)", option_num, opt->name, sane_strstatus(status));
} else {
check(ERR, (status == SANE_STATUS_INVAL),
"was able to get option [%d, %s] value, although it is not active", option_num, opt->name);
}
check(ERR, ((info == (SANE_Int)0xdeadbeef) || (info == 0)),
"when getting option [%d, %s], info was set to %x", option_num, opt->name, info);
/* Set with invalid info. Info should be reset by the backend. */
info = 0x10000;
guards_set(optval, optsize);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, optval, &info);
guards_check(optval, optsize);
if (SANE_OPTION_IS_SETTABLE (opt->cap) && SANE_OPTION_IS_ACTIVE (opt->cap)) {
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option [%d, %s] value, although it is active and settable (%s)", option_num, opt->name, sane_strstatus(status));
check(ERR, ((info & ~(SANE_INFO_INEXACT |
SANE_INFO_RELOAD_OPTIONS |
SANE_INFO_RELOAD_PARAMS)) == 0),
"sane_control_option set some wrong bit in info (%d)", info);
if (info & SANE_INFO_RELOAD_PARAMS) {
test_parameters(device, NULL);
}
} else {
check(ERR, (status == SANE_STATUS_INVAL),
"was able to set option [%d, %s] value, although it is not active or settable", option_num, opt->name);
}
/* Ask the backend to set the option automatically. */
guards_set(optval, optsize);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_AUTO, optval, &info);
guards_check(optval, optsize);
if (SANE_OPTION_IS_SETTABLE (opt->cap) &&
SANE_OPTION_IS_ACTIVE (opt->cap) &&
(opt->cap & SANE_CAP_AUTOMATIC)) {
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set the option [%d, %s] automatically.", option_num, opt->name);
} else {
check(ERR, (status != SANE_STATUS_GOOD),
"was able to automatically set option [%d, %s], although it is not active or settable or automatically settable", option_num, opt->name);
}
if (info & SANE_INFO_RELOAD_PARAMS) {
test_parameters(device, NULL);
}
}
if (optval) {
guards_free(optval);
optval = NULL;
}
/* Some capabilities checks. */
check(ERR, ((opt->cap & (SANE_CAP_HARD_SELECT | SANE_CAP_SOFT_SELECT)) !=
(SANE_CAP_HARD_SELECT | SANE_CAP_SOFT_SELECT)),
"option [%d, %s], SANE_CAP_HARD_SELECT and SANE_CAP_SOFT_SELECT are mutually exclusive", option_num, opt->name);
if (opt->cap & SANE_CAP_SOFT_SELECT) {
check(ERR, ((opt->cap & SANE_CAP_SOFT_DETECT) != 0),
"option [%d, %s], SANE_CAP_SOFT_DETECT must be set if SANE_CAP_SOFT_SELECT is set", option_num, opt->name);
}
if ((opt->cap & (SANE_CAP_SOFT_SELECT |
SANE_CAP_HARD_SELECT |
SANE_CAP_SOFT_DETECT)) == SANE_CAP_SOFT_DETECT) {
check(ERR, (!SANE_OPTION_IS_SETTABLE (opt->cap)),
"option [%d, %s], must not be settable", option_num, opt->name);
}
if (!SANE_OPTION_IS_SETTABLE (opt->cap)) {
/* Unsettable option. Ignore the rest of the test. */
continue;
}
/* Check that will sane_control_option copy the string
* parameter and not just store a pointer to it. */
if (opt->type == SANE_TYPE_STRING) {
SANE_String val_string2;
char *optstr;
optstr = guards_malloc(opt->size);
val_string2 = guards_malloc(opt->size);
/* Poison the current value. */
strncpy(optstr, "-pOiSoN-", opt->size-1);
optstr[opt->size-1] = 0;
/* Get the value */
guards_set(optstr, opt->size);
status = sane_control_option (device, option_num, SANE_ACTION_GET_VALUE,
optstr, NULL);
guards_check(optstr, opt->size);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot get option [%d, %s] value", option_num, opt->name);
check(FATAL, (strcmp(optstr, "-pOiSoN-") != 0),
"sane_control_option did not set a value");
/* Set the value */
guards_set(optstr, opt->size);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, optstr, NULL);
guards_check(optstr, opt->size);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option [%d, %s] value", option_num, opt->name);
/* Poison the returned value. */
strncpy(optstr, "-pOiSoN-", opt->size-1);
optstr[opt->size-1] = 0;
/* Read again the value and compare. */
guards_set(val_string2, opt->size);
status = sane_control_option (device, option_num, SANE_ACTION_GET_VALUE,
val_string2, NULL);
guards_check(val_string2, opt->size);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot get option [%d, %s] value", option_num, opt->name);
check(FATAL, (strcmp(optstr, val_string2) != 0),
"sane_control_option did not copy the string parameter for option [%d, %s]", option_num, opt->name);
guards_free(optstr);
guards_free(val_string2);
}
/* Try both boolean options. */
if (opt->type == SANE_TYPE_BOOL) {
SANE_Bool org_v;
SANE_Bool v;
status = sane_control_option (device, option_num, SANE_ACTION_GET_VALUE,
&org_v, &info);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot get boolean option [%d, %s] value (%s)", option_num, opt->name, sane_strstatus(status));
/* Invert the condition. */
switch(org_v) {
case SANE_FALSE:
v = SANE_TRUE;
break;
case SANE_TRUE:
v = SANE_FALSE;
break;
default:
check(ERR, 0,
"invalid boolean value %d for option [%d, %s]",
org_v, option_num, opt->name);
}
/* Set the opposite of the current value. */
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &v, &info);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set boolean option [%d, %s] value (%s)", option_num, opt->name, sane_strstatus(status));
check(ERR, (v != org_v),
"boolean values should be different");
if (info & SANE_INFO_RELOAD_PARAMS) {
test_parameters(device, NULL);
}
/* Set the initial value. */
v = org_v;
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &v, &info);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set boolean option [%d, %s] value (%s)", option_num, opt->name, sane_strstatus(status));
check(ERR, (v == org_v),
"boolean values should be the same");
if (info & SANE_INFO_RELOAD_PARAMS) {
test_parameters(device, NULL);
}
}
/* Try to set an invalid option. */
switch(opt->type) {
case SANE_TYPE_BOOL: {
SANE_Word v; /* should be SANE_Bool instead */
v = -1; /* invalid value. must be SANE_FALSE or SANE_TRUE */
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &v, NULL);
check(ERR, (status != SANE_STATUS_GOOD),
"was able to set an invalid value for boolean option [%d, %s]", option_num, opt->name);
v = 2; /* invalid value. must be SANE_FALSE or SANE_TRUE */
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &v, NULL);
check(ERR, (status != SANE_STATUS_GOOD),
"was able to set an invalid value for boolean option [%d, %s]", option_num, opt->name);
}
break;
case SANE_TYPE_FIXED:
case SANE_TYPE_INT: {
SANE_Int *v;
unsigned int i;
v = guards_malloc(opt->size);
/* I can only think of a test for
* SANE_CONSTRAINT_RANGE. This tests the behaviour of
* sanei_constrain_value(). */
if (opt->constraint_type == SANE_CONSTRAINT_RANGE) {
for(i=0; i<opt->size / sizeof(SANE_Int); i++)
v[i] = opt->constraint.range->min - 1; /* invalid range */
guards_set(v, opt->size);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, v, &info);
guards_check(v, opt->size);
check(ERR, (status == SANE_STATUS_GOOD && (info & SANE_INFO_INEXACT) ),
"incorrect return when setting an invalid range value for option [%d, %s] (status %s, info %x)", option_num, opt->name, sane_strstatus(status), info);
/* Set the corrected value. */
guards_set(v, opt->size);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, v, &info);
guards_check(v, opt->size);
check(ERR, (status == SANE_STATUS_GOOD && !(info & SANE_INFO_INEXACT) ),
"incorrect return when setting an invalid range value for option [%d, %s] (status %s, info %x)", option_num, opt->name, sane_strstatus(status), info);
for(i=0; i<opt->size / sizeof(SANE_Int); i++)
v[i] = opt->constraint.range->max + 1; /* invalid range */
guards_set(v, opt->size);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, v, &info);
guards_check(v, opt->size);
check(ERR, (status == SANE_STATUS_GOOD && (info & SANE_INFO_INEXACT) ),
"incorrect return when setting an invalid range value for option [%d, %s] (status %s, info %x)", option_num, opt->name, sane_strstatus(status), info);
/* Set the corrected value. */
guards_set(v, opt->size);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, v, &info);
guards_check(v, opt->size);
check(ERR, (status == SANE_STATUS_GOOD && !(info & SANE_INFO_INEXACT) ),
"incorrect return when setting a valid range value for option [%d, %s] (status %s, info %x)", option_num, opt->name, sane_strstatus(status), info);
}
guards_free(v);
}
break;
default:
break;
}
/* TODO: button */
/*
* Here starts all the recursive stuff. After the test, it is
* possible that the value is not settable nor active
* anymore.
*/
/* Try to set every option in a list */
switch(opt->constraint_type) {
case SANE_CONSTRAINT_WORD_LIST:
check(FATAL, (opt->constraint.word_list != NULL),
"no constraint list for option [%d, %s]", option_num, opt->name);
test_options_word_list (device, option_num, opt, can_do_recursive);
break;
case SANE_CONSTRAINT_STRING_LIST:
check(FATAL, (opt->constraint.string_list != NULL),
"no constraint list for option [%d, %s]", option_num, opt->name);
test_options_string_list (device, option_num, opt, can_do_recursive);
break;
case SANE_CONSTRAINT_RANGE:
check(FATAL, (opt->constraint.range != NULL),
"no constraint range for option [%d, %s]", option_num, opt->name);
check(FATAL, (opt->constraint.range->max >= opt->constraint.range->min),
"incorrect range for option [%d, %s] (min=%d > max=%d)",
option_num, opt->name, opt->constraint.range->min, opt->constraint.range->max);
/* Recurse. */
if (can_do_recursive) {
test_options(device, can_do_recursive-1);
}
break;
case SANE_CONSTRAINT_NONE:
check(INF, (opt->constraint.range == NULL),
"option [%d, %s] has some constraint value set", option_num, opt->name);
/* Recurse. */
if (can_do_recursive) {
test_options(device, can_do_recursive-1);
}
break;
}
/* End of the test for that option. */
}
/* test random non-existing options. */
opt = sane_get_option_descriptor (device, -1);
check(ERR, (opt == NULL),
"was able to get option descriptor for option -1");
opt = sane_get_option_descriptor (device, num_dev_options+1);
check(ERR, (opt == NULL),
"was able to get option descriptor for option %d", num_dev_options+1);
opt = sane_get_option_descriptor (device, num_dev_options+2);
check(ERR, (opt == NULL),
"was able to get option descriptor for option %d", num_dev_options+2);
opt = sane_get_option_descriptor (device, num_dev_options+50);
check(ERR, (opt == NULL),
"was able to get option descriptor for option %d", num_dev_options+50);
}
/* Get an option descriptor by the name of the option. */
static const SANE_Option_Descriptor *get_optdesc_by_name(SANE_Handle device, const char *name, int *option_num)
{
const SANE_Option_Descriptor *opt;
SANE_Int num_dev_options;
SANE_Status status;
/* Get the number of options. */
status = sane_control_option (device, 0, SANE_ACTION_GET_VALUE, &num_dev_options, 0);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot get option 0 value (%s)", sane_strstatus(status));
for (*option_num = 0; *option_num < num_dev_options; (*option_num)++) {
/* Get the option descriptor */
opt = sane_get_option_descriptor (device, *option_num);
check(FATAL, (opt != NULL),
"cannot get option descriptor for option %d", *option_num);
if (opt->name && strcmp(opt->name, name) == 0) {
return(opt);
}
}
return(NULL);
}
/* Set the first value for an option. That equates to the minimum for a
* range or the first element in a list. */
static void set_min_value(SANE_Handle device, int option_num,
const SANE_Option_Descriptor *opt)
{
SANE_Status status;
SANE_String val_string;
SANE_Int val_int;
int rc;
check(BUG, (SANE_OPTION_IS_SETTABLE(opt->cap)),
"option is not settable");
switch(opt->constraint_type) {
case SANE_CONSTRAINT_WORD_LIST:
rc = check(ERR, (opt->constraint.word_list[0] > 0),
"no value in the list for option %s", opt->name);
if (!rc) return;
val_int = opt->constraint.word_list[1];
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to %d (%s)", opt->name, val_int, sane_strstatus(status));
break;
case SANE_CONSTRAINT_STRING_LIST:
rc = check(ERR, (opt->constraint.string_list[0] != NULL),
"no value in the list for option %s", opt->name);
if (!rc) return;
val_string = strdup(opt->constraint.string_list[0]);
assert(val_string);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, val_string, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to [%s] (%s)", opt->name, val_string, sane_strstatus(status));
free(val_string);
break;
case SANE_CONSTRAINT_RANGE:
val_int = opt->constraint.range->min;
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to %d (%s)", opt->name, val_int, sane_strstatus(status));
break;
default:
abort();
}
}
/* Set the last value for an option. That equates to the maximum for a
* range or the last element in a list. */
static void set_max_value(SANE_Handle device, int option_num,
const SANE_Option_Descriptor *opt)
{
SANE_Status status;
SANE_String val_string;
SANE_Int val_int;
int i;
int rc;
check(BUG, (SANE_OPTION_IS_SETTABLE(opt->cap)),
"option is not settable");
switch(opt->constraint_type) {
case SANE_CONSTRAINT_WORD_LIST:
rc = check(ERR, (opt->constraint.word_list[0] > 0),
"no value in the list for option %s", opt->name);
if (!rc) return;
val_int = opt->constraint.word_list[opt->constraint.word_list[0]];
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to %d (%s)", opt->name, val_int, sane_strstatus(status));
break;
case SANE_CONSTRAINT_STRING_LIST:
rc = check(ERR, (opt->constraint.string_list[0] != NULL),
"no value in the list for option %s", opt->name);
if (!rc) return;
for (i=1; opt->constraint.string_list[i] != NULL; i++);
val_string = strdup(opt->constraint.string_list[i-1]);
assert(val_string);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, val_string, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to [%s] (%s)", opt->name, val_string, sane_strstatus(status));
free(val_string);
break;
case SANE_CONSTRAINT_RANGE:
val_int = opt->constraint.range->max;
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to %d (%s)", opt->name, val_int, sane_strstatus(status));
break;
default:
abort();
}
}
/* Set a random value for an option amongst the possible values. */
static void set_random_value(SANE_Handle device, int option_num,
const SANE_Option_Descriptor *opt)
{
SANE_Status status;
SANE_String val_string;
SANE_Int val_int;
int i;
int rc;
check(BUG, (SANE_OPTION_IS_SETTABLE(opt->cap)),
"option is not settable");
switch(opt->constraint_type) {
case SANE_CONSTRAINT_WORD_LIST:
rc = check(ERR, (opt->constraint.word_list[0] > 0),
"no value in the list for option %s", opt->name);
if (!rc) return;
i=1+(rand() % opt->constraint.word_list[0]);
val_int = opt->constraint.word_list[i];
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to %d (%s)", opt->name, val_int, sane_strstatus(status));
break;
case SANE_CONSTRAINT_STRING_LIST:
rc = check(ERR, (opt->constraint.string_list[0] != NULL),
"no value in the list for option %s", opt->name);
if (!rc) return;
for (i=0; opt->constraint.string_list[i] != NULL; i++);
i = rand() % i;
val_string = strdup(opt->constraint.string_list[0]);
assert(val_string);
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, val_string, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to [%s] (%s)", opt->name, val_string, sane_strstatus(status));
free(val_string);
break;
case SANE_CONSTRAINT_RANGE:
i = opt->constraint.range->max - opt->constraint.range->min;
i = rand() % i;
val_int = opt->constraint.range->min + i;
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE, &val_int, NULL);
check(ERR, (status == SANE_STATUS_GOOD),
"cannot set option %s to %d (%s)", opt->name, val_int, sane_strstatus(status));
break;
default:
abort();
}
}
/*--------------------------------------------------------------------------*/
/* Returns a string with the value of an option. */
static char *get_option_value(SANE_Handle device, const char *option_name)
{
const SANE_Option_Descriptor *opt;
void *optval; /* value for the option */
int optnum;
static char str[100];
SANE_Status status;
opt = get_optdesc_by_name(device, option_name, &optnum);
if (opt) {
optval = guards_malloc(opt->size);
status = sane_control_option (device, optnum,
SANE_ACTION_GET_VALUE, optval, NULL);
if (status == SANE_STATUS_GOOD) {
switch(opt->type) {
case SANE_TYPE_BOOL:
if (*(SANE_Word*) optval == SANE_FALSE) {
strcpy(str, "FALSE");
} else {
strcpy(str, "TRUE");
}
break;
case SANE_TYPE_INT:
sprintf(str, "%d", *(SANE_Word*) optval);
break;
case SANE_TYPE_FIXED: {
int i;
i = SANE_UNFIX(*(SANE_Word*) optval);
sprintf(str, "%d", i);
}
break;
case SANE_TYPE_STRING:
strcpy(str, optval);
break;
default:
str[0] = 0;
}
} else {
/* Shouldn't happen. */
strcpy(str, "backend default");
}
guards_free(optval);
} else {
/* The option does not exists. */
strcpy(str, "backend default");
}
return(str);
}
/* Display the parameters that used for a scan. */
static char *display_scan_parameters(SANE_Handle device)
{
static char str[150];
char *p = str;
*p = 0;
p += sprintf(p, "scan mode=[%s] ", get_option_value(device, SANE_NAME_SCAN_MODE));
p += sprintf(p, "resolution=[%s] ", get_option_value(device, SANE_NAME_SCAN_RESOLUTION));
p += sprintf(p, "tl_x=[%s] ", get_option_value(device, SANE_NAME_SCAN_TL_X));
p += sprintf(p, "tl_y=[%s] ", get_option_value(device, SANE_NAME_SCAN_TL_Y));
p += sprintf(p, "br_x=[%s] ", get_option_value(device, SANE_NAME_SCAN_BR_X));
p += sprintf(p, "br_y=[%s] ", get_option_value(device, SANE_NAME_SCAN_BR_Y));
return(str);
}
/* Do a scan to test the correctness of the backend. */
static void test_scan(SANE_Handle device)
{
const SANE_Option_Descriptor *opt;
SANE_Status status;
int option_num;
SANE_Int val_int;
unsigned char *image = NULL;
SANE_Parameters params;
size_t to_read;
SANE_Int len;
int ask_len;
int rc;
int fd;
/* Set the largest scan possible.
*
* For that test, the corner
* position must exists and be SANE_CONSTRAINT_RANGE (this is not
* a SANE requirement though).
*/
opt = get_optdesc_by_name(device, SANE_NAME_SCAN_TL_X, &option_num);
if (opt) set_min_value(device, option_num, opt);
opt = get_optdesc_by_name(device, SANE_NAME_SCAN_TL_Y, &option_num);
if (opt) set_min_value(device, option_num, opt);
opt = get_optdesc_by_name(device, SANE_NAME_SCAN_BR_X, &option_num);
if (opt) set_max_value(device, option_num, opt);
opt = get_optdesc_by_name(device, SANE_NAME_SCAN_BR_Y, &option_num);
if (opt) set_max_value(device, option_num, opt);
#define IMAGE_SIZE (512 * 1024)
image = guards_malloc(IMAGE_SIZE);
/* Try a read outside of a scan. */
status = sane_read (device, image, len, &len);
check(ERR, (status != SANE_STATUS_GOOD),
"it is possible to sane_read outside of a scan");
/* Try to set the I/O mode outside of a scan. */
status = sane_set_io_mode (device, SANE_FALSE);
check(ERR, (status == SANE_STATUS_INVAL),
"it is possible to sane_set_io_mode outside of a scan");
status = sane_set_io_mode (device, SANE_TRUE);
check(ERR, (status == SANE_STATUS_INVAL ||
status == SANE_STATUS_UNSUPPORTED),
"it is possible to sane_set_io_mode outside of a scan");
/* Test sane_get_select_fd outside of a scan. */
status = sane_get_select_fd(device, &fd);
check(ERR, (status == SANE_STATUS_INVAL ||
status == SANE_STATUS_UNSUPPORTED),
"sane_get_select_fd outside of a scan returned an invalid status (%s)",
sane_strstatus (status));
if (test_level > 2) {
/* Do a scan, reading byte per byte */
check(MSG, 0, "TEST: scan byte per byte - %s", display_scan_parameters(device));
test_parameters(device, &params);
status = sane_start (device);
rc = check(ERR, (status == SANE_STATUS_GOOD),
"cannot start the scan (%s)", sane_strstatus (status));
if (!rc) goto the_end;
/* sane_set_io_mode with SANE_FALSE is always supported. */
status = sane_set_io_mode (device, SANE_FALSE);
check(ERR, (status == SANE_STATUS_GOOD),
"sane_set_io_mode with SANE_FALSE must return SANE_STATUS_GOOD");
/* test sane_set_io_mode with SANE_TRUE. */
status = sane_set_io_mode (device, SANE_TRUE);
check(ERR, (status == SANE_STATUS_GOOD ||
status == SANE_STATUS_UNSUPPORTED),
"sane_set_io_mode with SANE_TRUE returned an invalid status (%s)",
sane_strstatus (status));
/* Test sane_get_select_fd */
fd = 0x76575; /* won't exists */
status = sane_get_select_fd(device, &fd);
check(ERR, (status == SANE_STATUS_GOOD ||
status == SANE_STATUS_UNSUPPORTED),
"sane_get_select_fd returned an invalid status (%s)",
sane_strstatus (status));
if (status == SANE_STATUS_GOOD) {
check(ERR, (fd != 0x76575),
"sane_get_select_fd didn't set the fd although it should have");
check(ERR, (fd < 0),
"sane_get_select_fd returned an invalid fd");
}
/* Check that it is not possible to set an option. It is probably
* a requirement stated indirectly in the section 4.4 on code
* flow.
*/
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE,
&val_int , NULL);
check(WRN, (status != SANE_STATUS_GOOD),
"it is possible to set a value during a scan");
test_parameters(device, &params);
if (params.bytes_per_line != 0 && params.lines != 0) {
to_read = params.bytes_per_line * params.lines;
while(SANE_TRUE) {
len = 76457645; /* garbage */
guards_set(image, 1);
status = sane_read (device, image, 1, &len);
guards_check(image, 1);
if (status == SANE_STATUS_EOF) {
/* End of scan */
check(ERR, (len == 0),
"the length returned is not 0");
break;
}
rc = check(ERR, (status == SANE_STATUS_GOOD),
"scan stopped - status is %s", sane_strstatus (status));
if (!rc) {
check(ERR, (len == 0),
"the length returned is not 0");
break;
}
/* The scanner can only return 1. If it returns 0, we may
* loop forever. */
rc = check(ERR, (len == 1),
"backend returned 0 bytes - skipping test");
if (!rc) {
break;
}
to_read -= len;
}
if (params.lines != -1) {
check(ERR, (to_read == 0),
"scan ended, but data was truncated");
}
}
sane_cancel(device);
}
/* Try a read outside a scan. */
ask_len = 1;
guards_set(image, ask_len);
status = sane_read (device, image, ask_len, &len);
guards_check(image, ask_len);
check(ERR, (status != SANE_STATUS_GOOD),
"it is possible to sane_read outside a scan");
/*
* Do a partial scan
*/
check(MSG, 0, "TEST: partial scan - %s", display_scan_parameters(device));
status = sane_start (device);
rc = check(ERR, (status == SANE_STATUS_GOOD),
"cannot start the scan (%s)", sane_strstatus (status));
if (!rc) goto the_end;
test_parameters(device, &params);
if (params.bytes_per_line != 0 && params.lines != 0) {
len = 10;
guards_set(image, 1);
status = sane_read (device, image, 1, &len);
guards_check(image, 1);
check(ERR, (len == 1),
"sane_read() didn't return 1 byte as requested");
}
sane_cancel(device);
/*
* Do a scan, reading random length.
*/
check(MSG, 0, "TEST: scan random length - %s", display_scan_parameters(device));
test_parameters(device, &params);
/* Try a read outside a scan. */
ask_len = 20;
guards_set(image, ask_len);
status = sane_read (device, image, ask_len, &len);
guards_check(image, ask_len);
check(ERR, (status != SANE_STATUS_GOOD),
"it is possible to sane_read outside a scan");
status = sane_start (device);
rc = check(ERR, (status == SANE_STATUS_GOOD),
"cannot start the scan (%s)", sane_strstatus (status));
if (!rc) goto the_end;
/* Check that it is not possible to set an option. */
status = sane_control_option (device, option_num,
SANE_ACTION_SET_VALUE,
&val_int , NULL);
check(WRN, (status != SANE_STATUS_GOOD),
"it is possible to set a value during a scan");
test_parameters(device, &params);
if (params.bytes_per_line != 0 && params.lines != 0) {
to_read = params.bytes_per_line * params.lines;
srandom(time(NULL));
while (SANE_TRUE) {
ask_len = rand() & 0x7ffff; /* 0 to 512K-1 */
if (ask_len == 0) len = 1;
len = ask_len + 4978; /* garbage */
guards_set(image, ask_len);
status = sane_read (device, image, ask_len, &len);
guards_check(image, ask_len);
if (status == SANE_STATUS_EOF) {
/* End of scan */
check(ERR, (len == 0),
"the length returned is not 0");
break;
}
rc = check(ERR, (status == SANE_STATUS_GOOD),
"scan stopped - status is %s", sane_strstatus (status));
if (!rc) {
check(ERR, (len == 0),
"the length returned is not 0");
break;
}
/* The scanner cannot return 0. If it returns 0, we may
* loop forever. */
rc = check(ERR, (len > 0),
"backend didn't return any data - skipping test");
if (!rc) {
break;
}
rc = check(ERR, (len <= ask_len),
"backend returned too much data (%d / %d) - skipping test",
len, ask_len);
if (!rc) {
break;
}
to_read -= len;
}
if (params.lines != -1) {
check(ERR, (to_read == 0),
"scan ended, but data was truncated");
}
}
sane_cancel(device);
/* Try a read outside a scan. */
ask_len = 30;
guards_set(image, ask_len);
status = sane_read (device, image, ask_len, &len);
guards_check(image, ask_len);
check(ERR, (status != SANE_STATUS_GOOD),
"it is possible to sane_read outside a scan");
/*
* Do a scan with a fixed size and a big buffer
*/
check(MSG, 0, "TEST: scan with a big max_len - %s", display_scan_parameters(device));
test_parameters(device, &params);
status = sane_start (device);
rc = check(ERR, (status == SANE_STATUS_GOOD),
"cannot start the scan (%s)", sane_strstatus (status));
if (!rc) goto the_end;
test_parameters(device, &params);
if (params.bytes_per_line != 0 && params.lines != 0) {
to_read = params.bytes_per_line * params.lines;
while(SANE_TRUE) {
ask_len = IMAGE_SIZE;
len = rand(); /* garbage */
guards_set(image, ask_len);
status = sane_read (device, image, ask_len, &len);
guards_check(image, ask_len);
if (status == SANE_STATUS_EOF) {
/* End of scan */
check(ERR, (len == 0),
"the length returned is not 0");
break;
}
rc = check(ERR, (status == SANE_STATUS_GOOD),
"scan stopped - status is %s", sane_strstatus (status));
if (!rc) {
check(ERR, (len == 0),
"the length returned is not 0");
break;
}
/* If the scanner return 0, we may loop forever. */
rc = check(ERR, (len > 0),
"backend didn't return any data - skipping test");
if (!rc) {
break;
}
rc = check(ERR, (len <= ask_len),
"backend returned too much data (%d / %d) - skipping test",
len, ask_len);
if (!rc) {
break;
}
to_read -= len;
}
if (params.lines != -1) {
check(ERR, (to_read == 0),
"scan ended, but data was truncated");
}
}
sane_cancel(device);
the_end:
if (image) guards_free(image);
}
/* Do several scans at different scan mode and resolution. */
static void test_scans(SANE_Device * device)
{
const SANE_Option_Descriptor *scan_mode_opt;
const SANE_Option_Descriptor *resolution_mode_opt;
SANE_Status status;
int scan_mode_optnum;
int resolution_mode_optnum;
SANE_String val_string;
int i;
int rc;
/* For that test, the requirements are:
* SANE_NAME_SCAN_MODE exists and is a SANE_CONSTRAINT_STRING_LIST
* SANE_NAME_SCAN_RESOLUTION exists and is either a SANE_CONSTRAINT_WORD_LIST or a SANE_CONSTRAINT_RANGE.
*
* These are not a SANE requirement, though.
*/
scan_mode_opt = get_optdesc_by_name(device, SANE_NAME_SCAN_MODE, &scan_mode_optnum);
if (scan_mode_opt) {
rc = check(INF, (scan_mode_opt->type == SANE_TYPE_STRING),
"option [%s] is not a SANE_TYPE_STRING - skipping test", SANE_NAME_SCAN_MODE);
if (!rc) return;
rc = check(INF, (scan_mode_opt->constraint_type == SANE_CONSTRAINT_STRING_LIST),
"constraint for option [%s] is not SANE_CONSTRAINT_STRING_LIST - skipping test", SANE_NAME_SCAN_MODE);
if (!rc) return;
rc = check(INF, (SANE_OPTION_IS_SETTABLE(scan_mode_opt->cap)),
"option [%s] is not settable - skipping test", SANE_NAME_SCAN_MODE);
if (!rc) return;
}
resolution_mode_opt = get_optdesc_by_name(device, SANE_NAME_SCAN_RESOLUTION, &resolution_mode_optnum);
if (resolution_mode_opt) {
rc = check(INF, (SANE_OPTION_IS_SETTABLE(resolution_mode_opt->cap)),
"option [%s] is not settable - skipping test", SANE_NAME_SCAN_RESOLUTION);
if (!rc) return;
}
if (scan_mode_opt) {
/* Do several scans, with several resolution. */
for (i=0; scan_mode_opt->constraint.string_list[i] != NULL; i++) {
val_string = strdup(scan_mode_opt->constraint.string_list[i]);
assert(val_string);
status = sane_control_option (device, scan_mode_optnum,
SANE_ACTION_SET_VALUE, val_string, NULL);
check(FATAL, (status == SANE_STATUS_GOOD),
"cannot set a settable option (status=%s)", sane_strstatus(status));
free(val_string);
if (resolution_mode_opt) {
set_min_value(device, resolution_mode_optnum,
resolution_mode_opt);
test_scan(device);
set_max_value(device, resolution_mode_optnum,
resolution_mode_opt);
test_scan(device);
set_random_value(device, resolution_mode_optnum,
resolution_mode_opt);
test_scan(device);
} else {
test_scan(device);
}
}
} else {
if (resolution_mode_opt) {
set_min_value(device, resolution_mode_optnum,
resolution_mode_opt);
test_scan(device);
set_max_value(device, resolution_mode_optnum,
resolution_mode_opt);
test_scan(device);
set_random_value(device, resolution_mode_optnum,
resolution_mode_opt);
test_scan(device);
} else {
test_scan(device);
}
}
}
static void usage(const char *execname)
{
printf("Usage: %s [-d backend_name] [-l test_level] [-r recursion_level]\n", execname);
printf("\t-d\tbackend name\n");
printf("\t-l\tlevel of testing (0=some, 1=0+options, 2=1+scans, 3=longest tests)\n");
printf("\t-r\trecursion level for option testing (the higher, the longer)\n");
}
int
main (int argc, char **argv)
{
char *devname = NULL;
SANE_Status status;
SANE_Int version_code;
SANE_Handle device;
int ch;
int index;
int i;
const SANE_Device **device_list;
const SANE_Device *dev;
int rc;
int recursion_level;
printf("tstbackend, Copyright (C) 2002 Frank Zago\n");
printf("tstbackend comes with ABSOLUTELY NO WARRANTY\n");
printf("This is free software, and you are welcome to redistribute it\n");
printf("under certain conditions. See COPYING file for details\n\n");
printf("This is tstbackend build %d\n\n", BUILD);
/* Read the command line options. */
opterr = 0;
recursion_level = 5; /* 5 levels or recursion should be enough */
test_level = 0; /* basic tests only */
while ((ch = getopt_long (argc, argv, "-d:l:r:h", basic_options,
&index)) != EOF) {
switch(ch) {
case 'd':
devname = strdup(optarg);
break;
case 'l':
test_level = atoi(optarg);
if (test_level < 0 || test_level > 4) {
fprintf(stderr, "invalid test_level\n");
return(1);
}
break;
case 'r':
recursion_level = atoi(optarg);
break;
case 'h':
usage(argv[0]);
return(0);
case '?':
fprintf(stderr, "invalid option\n");
return(1);
default:
fprintf(stderr, "bug in tstbackend\n");
return(1);
}
}
/* First test */
check(MSG, 0, "TEST: init/exit");
for (i=0; i<10; i++) {
status = sane_init(&version_code, NULL);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_init failed with %s", sane_strstatus (status));
check(FATAL, (SANE_VERSION_MAJOR(version_code) == 1),
"invalid SANE version linked");
sane_exit();
status = sane_init(NULL, NULL);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_init failed with %s", sane_strstatus (status));
sane_exit();
}
status = sane_init (&version_code, NULL);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_init failed with %s", sane_strstatus (status));
/* Check the device list */
status = sane_get_devices (&device_list, SANE_TRUE);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_get_devices() failed (%s)", sane_strstatus (status));
/* Verify that the SANE doc (or tstbackend) is up to date */
for (i=0; device_list[i] != NULL; i++) {
dev = device_list[i];
check(FATAL, (dev->name != NULL),
"device name is NULL");
check(FATAL, (dev->vendor != NULL),
"device vendor is NULL");
check(FATAL, (dev->type != NULL),
"device type is NULL");
check(FATAL, (dev->model != NULL),
"device model is NULL");
check(INF, ((strcmp(dev->type, "flatbed scanner") == 0) ||
(strcmp(dev->type, "frame grabber") == 0) ||
(strcmp(dev->type, "handheld scanner") == 0) ||
(strcmp(dev->type, "still camera") == 0) ||
(strcmp(dev->type, "video camera") == 0) ||
(strcmp(dev->type, "virtual device") == 0) ||
(strcmp(dev->type, "film scanner") == 0) ||
(strcmp(dev->type, "multi-function peripheral") == 0) ||
(strcmp(dev->type, "sheetfed scanner") == 0)),
"unknown device type [%s]. Update SANE doc section \"Type Strings\"", dev->type);
check(INF, (
(strcmp(dev->vendor, "AGFA") == 0) ||
(strcmp(dev->vendor, "Abaton") == 0) ||
(strcmp(dev->vendor, "Acer") == 0) ||
(strcmp(dev->vendor, "Apple") == 0) ||
(strcmp(dev->vendor, "Artec") == 0) ||
(strcmp(dev->vendor, "Avision") == 0) ||
(strcmp(dev->vendor, "CANON") == 0) ||
(strcmp(dev->vendor, "Connectix") == 0) ||
(strcmp(dev->vendor, "Epson") == 0) ||
(strcmp(dev->vendor, "Fujitsu") == 0) ||
(strcmp(dev->vendor, "Gphoto2") == 0) ||
(strcmp(dev->vendor, "Hewlett-Packard") == 0) ||
(strcmp(dev->vendor, "IBM") == 0) ||
(strcmp(dev->vendor, "Kodak") == 0) ||
(strcmp(dev->vendor, "Logitech") == 0) ||
(strcmp(dev->vendor, "Microtek") == 0) ||
(strcmp(dev->vendor, "Minolta") == 0) ||
(strcmp(dev->vendor, "Mustek") == 0) ||
(strcmp(dev->vendor, "NEC") == 0) ||
(strcmp(dev->vendor, "Nikon") == 0) ||
(strcmp(dev->vendor, "Noname") == 0) ||
(strcmp(dev->vendor, "Plustek") == 0) ||
(strcmp(dev->vendor, "Polaroid") == 0) ||
(strcmp(dev->vendor, "Ricoh") == 0) ||
(strcmp(dev->vendor, "Sharp") == 0) ||
(strcmp(dev->vendor, "Siemens") == 0) ||
(strcmp(dev->vendor, "Tamarack") == 0) ||
(strcmp(dev->vendor, "UMAX") == 0)),
"unknown device vendor [%s]. Update SANE doc section \"Vendor Strings\"", dev->vendor);
}
if (!devname) {
/* If no device name was specified explicitly, we look at the
environment variable SANE_DEFAULT_DEVICE. If this variable
is not set, we open the first device we find (if any): */
devname = getenv ("SANE_DEFAULT_DEVICE");
if (devname) devname = strdup(devname);
}
if (!devname) {
if (device_list[0]) {
devname = strdup(device_list[0]->name);
}
}
rc = check(ERR, (devname != NULL),
"no SANE devices found");
if (!rc) goto the_exit;
check(MSG, 0, "using device %s", devname);
/* Test open close */
check(MSG, 0, "TEST: open/close");
for (i=0; i<10; i++) {
status = sane_open (devname, &device);
rc = check(ERR, (status == SANE_STATUS_GOOD),
"sane_open failed with %s for device %s", sane_strstatus (status), devname);
if (!rc) goto the_exit;
sane_close (device);
}
if (test_level < 1) {
sane_exit();
goto the_exit;
}
/* Test options */
check(MSG, 0, "TEST: options consistency");
status = sane_open (devname, &device);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_open failed with %s for device %s", sane_strstatus (status), devname);
test_parameters(device, NULL);
test_options(device, recursion_level);
sane_close (device);
sane_exit();
if (test_level < 2) {
goto the_exit;
}
/* Test scans */
check(MSG, 0, "TEST: scan test");
status = sane_init (&version_code, NULL);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_init failed with %s", sane_strstatus (status));
status = sane_open (devname, &device);
check(FATAL, (status == SANE_STATUS_GOOD),
"sane_open failed with %s for device %s", sane_strstatus (status), devname);
test_scans(device);
sane_close (device);
sane_exit();
the_exit:
if (devname) free(devname);
display_stats();
return(0);
}
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