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test unpacking of PackBits()

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Thomas Bernard
2019-11-15 23:46:56 +01:00
parent 3ba4472626
commit d56915edc6
4 changed files with 131 additions and 2 deletions
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21
src/tests/tests.c
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@@ -33,6 +33,7 @@
#include <unistd.h>
#include "../struct.h"
#include "../oldies.h"
#include "../packbits.h"
#include "../gfx2log.h"
unsigned int MOTO_MAP_pack(byte * packed, const byte * unpacked, unsigned int unpacked_len);
@@ -160,6 +161,7 @@ int Test_Packbits(void)
NULL
};
const long best_packed = 7 + 22 + 23;
byte buffer[1024];
snprintf(tempfilename, sizeof(tempfilename), "/tmp/gfx2test-packbits-%lx", random());
GFX2_Log(GFX2_DEBUG, "tempfile %s\n", tempfilename);
@@ -190,13 +192,30 @@ int Test_Packbits(void)
return 0;
}
// TODO : test unpacking
// test unpacking
f = fopen(tempfilename, "rb");
if (f == NULL)
{
GFX2_Log(GFX2_ERROR, "Failed to open %s for reading\n", tempfilename);
return 0;
}
for (i = 0; tests[i]; i++)
{
size_t len = strlen(tests[i]);
memset(buffer, 0x80, len);
if (PackBits_unpack_from_file(f, buffer, len) != PACKBITS_UNPACK_OK)
{
GFX2_Log(GFX2_ERROR, "PackBits_unpack_from_file() failed\n");
return 0;
}
if (memcmp(buffer, tests[i], len) != 0)
{
GFX2_Log(GFX2_ERROR, "uncompressed stream mismatch !\n");
GFX2_LogHexDump(GFX2_ERROR, "original ", (const byte *)tests[i], 0, len);
GFX2_LogHexDump(GFX2_ERROR, "unpacked ", buffer, 0, len);
return 0;
}
}
fclose(f);
unlink(tempfilename);
return 1; // test OK