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git/reftable/basics_test.c
Han-Wen Nienhuys ef8a6c6268 reftable: utility functions
This commit provides basic utility classes for the reftable library.

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-10-08 10:45:48 -07:00

99 lines
1.9 KiB
C

/*
Copyright 2020 Google LLC
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/
#include "system.h"
#include "basics.h"
#include "test_framework.h"
#include "reftable-tests.h"
struct binsearch_args {
int key;
int *arr;
};
static int binsearch_func(size_t i, void *void_args)
{
struct binsearch_args *args = void_args;
return args->key < args->arr[i];
}
static void test_binsearch(void)
{
int arr[] = { 2, 4, 6, 8, 10 };
size_t sz = ARRAY_SIZE(arr);
struct binsearch_args args = {
.arr = arr,
};
int i = 0;
for (i = 1; i < 11; i++) {
int res;
args.key = i;
res = binsearch(sz, &binsearch_func, &args);
if (res < sz) {
EXPECT(args.key < arr[res]);
if (res > 0) {
EXPECT(args.key >= arr[res - 1]);
}
} else {
EXPECT(args.key == 10 || args.key == 11);
}
}
}
static void test_names_length(void)
{
char *a[] = { "a", "b", NULL };
EXPECT(names_length(a) == 2);
}
static void test_parse_names_normal(void)
{
char in[] = "a\nb\n";
char **out = NULL;
parse_names(in, strlen(in), &out);
EXPECT(!strcmp(out[0], "a"));
EXPECT(!strcmp(out[1], "b"));
EXPECT(!out[2]);
free_names(out);
}
static void test_parse_names_drop_empty(void)
{
char in[] = "a\n\n";
char **out = NULL;
parse_names(in, strlen(in), &out);
EXPECT(!strcmp(out[0], "a"));
EXPECT(!out[1]);
free_names(out);
}
static void test_common_prefix(void)
{
struct strbuf s1 = STRBUF_INIT;
struct strbuf s2 = STRBUF_INIT;
strbuf_addstr(&s1, "abcdef");
strbuf_addstr(&s2, "abc");
EXPECT(common_prefix_size(&s1, &s2) == 3);
strbuf_release(&s1);
strbuf_release(&s2);
}
int basics_test_main(int argc, const char *argv[])
{
RUN_TEST(test_common_prefix);
RUN_TEST(test_parse_names_normal);
RUN_TEST(test_parse_names_drop_empty);
RUN_TEST(test_binsearch);
RUN_TEST(test_names_length);
return 0;
}