libtiff/test/defer_strile_loading.c

258 lines
7.7 KiB
C

/*
* Copyright (c) 2019, Even Rouault <even.rouault at spatialys.com>
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* TIFF Library
*
* Module to test 'D' and 'O' open flags
*/
#include "tif_config.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "tiffio.h"
#include "tifftest.h"
int test(int classictif, int height, int tiled)
{
const char* filename = "defer_strile_loading.tif";
TIFF* tif;
int i;
int ret = 0;
(void)ret;
tif = TIFFOpen(filename, classictif ? "wDO" : "w8DO"); /* O should be ignored in write mode */
if(!tif)
{
fprintf(stderr, "cannot create %s\n", filename);
return 1;
}
ret = TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
assert(ret);
ret = TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, 1);
assert(ret);
ret = TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
assert(ret);
ret = TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
assert(ret);
ret = TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
assert(ret);
ret = TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
assert(ret);
if( tiled )
{
int j;
ret = TIFFSetField(tif, TIFFTAG_TILEWIDTH, 16);
assert( ret );
ret = TIFFSetField(tif, TIFFTAG_TILELENGTH, 16);
assert( ret );
for( j = 0; j < (height+15) / 16; j++ )
{
unsigned char tilebuffer[256];
memset(tilebuffer, (unsigned char)j, 256);
ret = TIFFWriteEncodedTile( tif, j, tilebuffer, 256 );
assert(ret == 256);
}
}
else
{
ret = TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
assert(ret);
for( i = 0; i < height; i++ )
{
unsigned char c = (unsigned char)i;
ret = TIFFWriteEncodedStrip( tif, i, &c, 1 );
assert(ret == 1);
if( i == 1 && height > 100000 )
i = height - 2;
}
}
TIFFClose(tif);
for( i = 0; i < 2; i++ )
{
tif = TIFFOpen(filename, i == 0 ? "rD" : "rO");
if(!tif)
{
fprintf(stderr, "cannot open %s\n", filename);
return 1;
}
if( tiled )
{
int j;
for( j = 0; j < (height+15) / 16; j++ )
{
int retry;
for( retry = 0; retry < 2; retry++ )
{
unsigned char tilebuffer[256];
unsigned char expected_c = (unsigned char)j;
memset(tilebuffer,0, 256);
ret = TIFFReadEncodedTile( tif, j, tilebuffer, 256 );
assert(ret == 256);
if( tilebuffer[0] != expected_c ||
tilebuffer[255] != expected_c )
{
fprintf(stderr, "unexpected value at tile %d: %d %d\n",
j, tilebuffer[0], tilebuffer[255]);
TIFFClose(tif);
return 1;
}
}
{
int err = 0;
ret = TIFFGetStrileOffsetWithErr(tif, j, &err);
assert(ret != 0);
assert(err == 0);
ret = TIFFGetStrileByteCountWithErr(tif, j, &err);
assert(ret == 256);
assert(err == 0);
}
}
}
else
{
int j;
for( j = 0; j < height; j++ )
{
int retry;
for( retry = 0; retry < 2; retry++ )
{
unsigned char c = 0;
unsigned char expected_c = (unsigned char)j;
ret = TIFFReadEncodedStrip( tif, j, &c, 1 );
assert(ret == 1);
if( c != expected_c )
{
fprintf(stderr, "unexpected value at line %d: %d\n",
j, c);
TIFFClose(tif);
return 1;
}
}
{
int err = 0;
ret = TIFFGetStrileOffsetWithErr(tif, j, &err);
assert(ret != 0);
assert(err == 0);
ret = TIFFGetStrileByteCountWithErr(tif, j, &err);
assert(ret == 1);
assert(err == 0);
}
if( j == 1 && height > 100000 )
j = height - 2;
}
if( height > 100000 )
{
/* Missing strip */
int err = 0;
ret = TIFFGetStrileOffsetWithErr(tif, 2, &err);
assert(ret == 0);
assert(err == 0);
ret = TIFFGetStrileByteCountWithErr(tif, 2, &err);
assert(ret == 0);
assert(err == 0);
}
}
{
int err = 0;
ret = TIFFGetStrileOffsetWithErr(tif, 0xFFFFFFFFU, &err);
assert(ret == 0);
assert(err == 1);
ret = TIFFGetStrileByteCountWithErr(tif, 0xFFFFFFFFU, &err);
assert(ret == 0);
assert(err == 1);
}
{
toff_t* offsets = NULL;
toff_t* bytecounts = NULL;
ret = TIFFGetField( tif,
tiled ? TIFFTAG_TILEOFFSETS : TIFFTAG_STRIPOFFSETS, &offsets );
assert(ret);
assert(offsets);
ret = TIFFGetField( tif,
tiled ? TIFFTAG_TILEBYTECOUNTS : TIFFTAG_STRIPBYTECOUNTS, &bytecounts );
assert(ret);
assert(bytecounts);
if( tiled )
{
assert(bytecounts[0] == 256);
}
else
{
assert(bytecounts[0] == 1);
if( height > 1 && height <= 100000)
{
assert(offsets[1] == offsets[0] + 1);
assert(offsets[height - 1] == offsets[0] + height - 1);
}
assert(bytecounts[height - 1] == 1);
}
}
TIFFClose(tif);
}
unlink(filename);
return 0;
}
int
main()
{
int is_classic;
for( is_classic = 1; is_classic >= 0; is_classic-- )
{
int tiled;
for( tiled = 0; tiled <= 1; tiled ++ )
{
if( test(is_classic, 1, tiled) )
return 1;
if( test(is_classic, 8192, tiled) )
return 1;
}
if( test(is_classic, 2000000, 0) )
return 1;
}
return 0;
}