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Testing: binary search

This commit is contained in:
Shahram Najm 2022-10-20 14:38:17 +01:00
parent e96f477613
commit 1232478310
1 changed files with 28 additions and 0 deletions
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28
tests/unit_tests.c
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@ -11,6 +11,7 @@
#include "grib_api_internal.h"
#define STR_EQUAL(s1, s2) (strcmp((s1), (s2)) == 0)
#define NUMBER(x) (sizeof(x) / sizeof(x[0]))
int assertion_caught = 0;
@ -1553,9 +1554,36 @@ static void test_gribex_mode()
Assert( grib_get_gribex_mode(c) == 0 );
}
static void test_grib_binary_search()
{
double array_asc[] = {-0.1, 33.4, 56.1, 101.8};
double array_desc[] = {88, 78, 0, -88};
const size_t idx_asc_max = NUMBER(array_asc) - 1;
const size_t idx_desc_max = NUMBER(array_desc) - 1;
size_t idx_upper=0, idx_lower = 0;
printf("Testing: test_grib_binary_search...\n");
grib_binary_search(array_asc, idx_asc_max, 56.0, &idx_upper, &idx_lower);
Assert(idx_lower == 1 && idx_upper == 2);
grib_binary_search(array_asc, idx_asc_max, 56.1, &idx_upper, &idx_lower);
Assert(idx_lower == 2 && idx_upper == 3);
grib_binary_search(array_asc, idx_asc_max, -0.1, &idx_upper, &idx_lower);
Assert(idx_lower == 0 && idx_upper == 1);
grib_binary_search(array_desc, idx_desc_max, 88, &idx_upper, &idx_lower);
Assert(idx_lower == 0 && idx_upper == 1);
grib_binary_search(array_desc, idx_desc_max, -88, &idx_upper, &idx_lower);
Assert(idx_lower == 2 && idx_upper == 3);
grib_binary_search(array_desc, idx_desc_max, 1, &idx_upper, &idx_lower);
Assert(idx_lower == 1 && idx_upper == 2);
}
int main(int argc, char** argv)
{
/*printf("Doing unit tests. ecCodes version = %ld\n", grib_get_api_version());*/
test_grib_binary_search();
test_trimming();
test_string_ends_with();