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main.c
270 lines (209 loc) · 5.52 KB
/
main.c
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#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "hashmap.h"
static void arbitrary( void )
{
int res, val;
hashmap_t *hashmap;
hashmap = hashmap_create();
assert( hashmap );
res = hashmap_insert( hashmap, "test", 100 );
assert( 0 == res );
res = hashmap_insert( hashmap, "test", 101 );
assert( 0 == res );
res = hashmap_insert( hashmap, "test2", 3 );
assert( 0 == res );
res = hashmap_find( hashmap, "test2", NULL );
assert( 1 == res );
res = hashmap_find( hashmap, "test2", &val );
assert( 1 == res );
assert( 3 == val );
res = hashmap_find( hashmap, "test", &val );
assert( 1 == res );
assert( 101 == val );
hashmap_erase( hashmap, "test" );
res = hashmap_find( hashmap, "test", NULL );
assert( 0 == res );
hashmap_erase( hashmap, "test" );
res = hashmap_find( hashmap, "test", NULL );
assert( 0 == res );
hashmap_destroy( hashmap );
}
static void random_string( char str[], size_t len )
{
unsigned int i;
for( i = 0; i < len - 1; ++i )
{
str[i] = (rand() % ('~' - ' ')) - ' ';
}
str[len - 1] = '\0';
}
static void random_insertions( void )
{
int res;
hashmap_t hashmap;
unsigned int i;
res = hashmap_init_with_buckets( &hashmap, 8192 /* pow 2 */ );
assert( 0 == res );
for( i = 0; i < 100000; ++i )
{
char str[10];
hashmap_value_t val = rand();
hashmap_value_t retrieved;
random_string( str, sizeof(str) );
res = hashmap_insert( &hashmap, str, val );
assert( 0 == res );
res = hashmap_find( &hashmap, str, &retrieved );
assert( 1 == res );
assert( retrieved == val );
}
hashmap_term( &hashmap );
}
static void size_test( void )
{
int res;
hashmap_t hashmap;
size_t size;
unsigned int empty;
res = hashmap_init( &hashmap );
assert( 0 == res );
/* Confirm initial size is 0. */
size = hashmap_size( &hashmap );
assert( 0 == size );
empty = hashmap_empty( &hashmap );
assert( 0 != empty );
/* Confirm insertion increases by 1. */
res = hashmap_insert( &hashmap, "test", 1 );
assert( 0 == res );
size = hashmap_size( &hashmap );
assert( 1 == size );
empty = hashmap_empty( &hashmap );
assert( 0 == empty );
/* Confirm duplicate insert doesn't change size. */
res = hashmap_insert( &hashmap, "test", 100 );
assert( 0 == res );
size = hashmap_size( &hashmap );
assert( 1 == size );
empty = hashmap_empty( &hashmap );
assert( 0 == empty );
/* Confirm insertion increases by 1. */
res = hashmap_insert( &hashmap, "test2", 4 );
assert( 0 == res );
size = hashmap_size( &hashmap );
assert( 2 == size );
empty = hashmap_empty( &hashmap );
assert( 0 == empty );
/* Confirm removal decreases by 1. */
hashmap_erase( &hashmap, "test" );
size = hashmap_size( &hashmap );
assert( 1 == size );
empty = hashmap_empty( &hashmap );
assert( 0 == empty );
/* Confirm removal of key that doesn't exist doesn't change the size. */
hashmap_erase( &hashmap, "doesn't exist" );
size = hashmap_size( &hashmap );
assert( 1 == size );
empty = hashmap_empty( &hashmap );
assert( 0 == empty );
/* Confirm removal of key that once existed but doesn't now doesn't change the size. */
hashmap_erase( &hashmap, "test" );
size = hashmap_size( &hashmap );
assert( 1 == size );
empty = hashmap_empty( &hashmap );
assert( 0 == empty );
/* Confirm removal decreases by 1. */
hashmap_erase( &hashmap, "test2" );
size = hashmap_size( &hashmap );
assert( 0 == size );
empty = hashmap_empty( &hashmap );
assert( 0 != empty );
hashmap_term( &hashmap );
}
static void iter_test( void )
{
int res;
hashmap_t *hashmap;
hashmap_iter_t iter;
unsigned int count = 0;
hashmap = hashmap_create();
assert( hashmap );
for( hashmap_iter_begin( hashmap, &iter );
!hashmap_iter_end( hashmap, &iter );
hashmap_iter_next( hashmap, &iter ) )
{
assert( 0 );
}
assert( 0 == count );
res = hashmap_insert( hashmap, "test", 100 );
assert( 0 == res );
count = 0;
for( hashmap_iter_begin( hashmap, &iter );
!hashmap_iter_end( hashmap, &iter );
hashmap_iter_next( hashmap, &iter ) )
{
hashmap_key_t key = hashmap_iter_key( &iter );
hashmap_value_t value = hashmap_iter_value( &iter );
assert( 0 == strcmp( key, "test" ) );
assert( value == 100 );
++count;
}
assert( 1 == count );
res = hashmap_insert( hashmap, "next", 2 );
assert( 0 == res );
res = hashmap_insert( hashmap, "another", 3 );
assert( 0 == res );
res = hashmap_insert( hashmap, "yet another", 4 );
assert( 0 == res );
res = hashmap_insert( hashmap, "penultimate", 5 );
assert( 0 == res );
res = hashmap_insert( hashmap, "final", 5 );
assert( 0 == res );
count = 0;
for( hashmap_iter_begin( hashmap, &iter );
!hashmap_iter_end( hashmap, &iter );
hashmap_iter_next( hashmap, &iter ) )
{
++count;
}
assert( 6 == count );
hashmap_erase( hashmap, "penultimate" );
count = 0;
for( hashmap_iter_begin( hashmap, &iter );
!hashmap_iter_end( hashmap, &iter );
hashmap_iter_next( hashmap, &iter ) )
{
++count;
}
assert( 5 == count );
hashmap_destroy( hashmap );
}
static void clear_test( void )
{
int res;
hashmap_t hashmap;
size_t size;
unsigned int existed;
res = hashmap_init( &hashmap );
assert( 0 == res );
res = hashmap_insert( &hashmap, "test", 1 );
assert( 0 == res );
hashmap_clear( &hashmap );
size = hashmap_size( &hashmap );
assert( 0 == size );
res = hashmap_insert_existed( &hashmap, "test", 1, &existed );
assert( 0 == res );
assert( 0 == existed );
hashmap_term( &hashmap );
}
int main( int argc, char *argv[] )
{
(void) argc;
(void) argv;
arbitrary();
random_insertions();
size_test();
iter_test();
clear_test();
return 0;
}