varch/test/test_search.c
2024-07-21 19:02:13 +08:00

68 lines
3.0 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "init.h"
#include "tool.h"
#include "search.h"
static void* int_array_addr(void *array, int index)
{
return (void *)(&((int *)array)[index]);
}
static int int_cmp(void *element, void *target)
{
if (*(int *)element > *(int *)target) return 1;
else if (*(int *)element < *(int *)target) return -1;
return 0;
}
static void test_linear(void)
{
int array[] = {6, 3, 1, 0, -2, 9};
SearchOPS ops;
int target = 1;
ops.addr = int_array_addr;
ops.cmp = int_cmp;
target = 9, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = -2, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 0, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 1, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 3, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 6, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 5, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = -9, printf("search %d, result %d\r\n", target, search_linear(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
}
static void test_binary(void)
{
int array[] = {0, 3, 6, 10, 62, 99};
SearchOPS ops;
int target = 10;
ops.addr = int_array_addr;
ops.cmp = int_cmp;
target = 0, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 3, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 6, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 10, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 62, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 99, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = 5, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
target = -9, printf("search %d, result %d\r\n", target, search_binary(array, 0, sizeof(array) / sizeof(array[0]) - 1, &target, &ops));
}
static void test(void)
{
printf("search test!\r\n");
// test_linear();
test_binary();
}
init_export_app(test);