37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
#include "tests.h"
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#include "../src/Hashtable/hash.h"
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#include "../src/Autoarr/Autoarr.h"
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#define AMOUNT_OF_TESTS 400000
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char __buf[]="iojihiojopijiugbjmoihftytryfdrh";
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#define test_hashfunc(hasht, hashf, tests_n)\
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optime(#hashf,1,({\
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printf("\e[94mfunction: \e[92m" #hashf "\n");\
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printf("\e[94mhash of \"%s\": \e[92m%x\n",__buf, hashf(__buf,cptr_length(__buf)));\
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Autoarr(hasht)* hashes=Autoarr_create(hasht,512,32768);\
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uint32 collisions=0;\
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for(uint32 i=0;i<tests_n;i++){\
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hasht h=hashf((uint8*)&i, 4);\
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bool col=false;\
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Autoarr_foreach(hashes,e,({\
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if(e==h) {\
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col=true;\
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printf("\e[91mcollision: %lu\n", (uint64)h);\
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break;\
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}\
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}));\
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if(col) collisions++;\
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else Autoarr_add(hashes,h);\
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}\
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printf("\e[93m%u \e[94mcollisions detected in %u hashes\n", collisions, tests_n);\
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}))
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void test_hash_functions(){
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optime("test_hash_functions",1,({
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printf("\e[96m--------[test_hash_functions]---------\n");
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test_hashfunc(uint32, hashb_crc32, 10000);
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test_hashfunc(uint32, hashb_sdbm32, 10000);
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}));
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} |