hash functions replaced

tests/main.cpp

@@ -1,19 +1,20 @@
 #include "tests.h"
 
 void test_all(){
-    test_autoarr();
-    test_string();
-    test_safethrow();
-    test_searchtree();
-    test_hashtable();
-    test_dtsod();
-    test_autoarr2();
+    // test_autoarr();
+    // test_string();
+    // test_safethrow();
+    // test_searchtree();
+    // test_hashtable();
+    // test_dtsod();
+    // test_autoarr2();
+    test_hash_collisions();
     printf("\e[96m---------------------------------------\e[0m\n");
 }
 
 int main(){
     setlocale(LC_ALL, "en-US.Unicode");
-    printf("\e[92mdtsod parser in c language!\e[97m\n");
+    printf("\e[92mkerep tests are starting!\e[97m\n");
     optime("test_all",1,test_all());
     printf("\e[0m\n");
     return 0;

tests/test_hash.c

@@ -0,0 +1,37 @@
+#include "tests.h"
+#include "../src/Hashtable/hash.h"
+#include "../src/Autoarr/Autoarr.h"
+
+#define AMOUNT_OF_TESTS 400000
+
+#define test_hashf(hasht, hashf, tests_n)\
+    optime(#hashf,1,({\
+    printf("\e[94mfunction: " #hashf "\n");\
+    Autoarr(hasht)* hashes=Autoarr_create(hasht,512,32768);\
+    uint32 collisions=0;\
+    for(uint32 i=0;i<tests_n;i++){\
+        hasht h=hashf((uint8*)&i, 4);\
+        bool col=false;\
+        Autoarr_foreach(hashes,e,({\
+            if(e==h) {\
+                col=true;\
+                printf("\e[91mcollision: %lu\n", (uint64)h);\
+                break;\
+            }\
+        }));\
+        if(col) collisions++;\
+        else Autoarr_add(hashes,h);\
+    }\
+    printf("\e[92m%u collisions detected per %u numbers\n", collisions, tests_n);\
+}))
+
+void test_hash_collisions(){
+    optime("test_hash_collisions",1,({
+        printf("\e[96m--------[test_hash_collisions]--------\n");
+        char buf[]="iojihiojopijiugbjmoihftytryfdrh";
+        printf("\e[92mhashb_crc32: %x\n", hashb_crc32(buf,cptr_length(buf)));
+        printf("\e[92mhashb_sdbm32: %x\n", hashb_sdbm32(buf,cptr_length(buf)));
+        test_hashf(uint32, hashb_crc32, 20000);
+        test_hashf(uint32, hashb_sdbm32, 20000);
+    }));
+}

tests/tests.h

@@ -12,6 +12,7 @@ void test_string();
 void test_dtsod();
 void test_safethrow();
 void test_autoarr2();
+void test_hash_collisions();
 #if __cplusplus
 }
 #endif