Revision 0dc9cad22d5c878d2ce6ee7b5cfffb034e34b2a0 authored by Junio C Hamano on 31 May 2024, 00:00:29 UTC, committed by Junio C Hamano on 31 May 2024, 00:00:29 UTC
Signed-off-by: Junio C Hamano <gitster@pobox.com>
pq_test.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 "constants.h"
#include "pq.h"
#include "record.h"
#include "reftable-tests.h"
#include "test_framework.h"
void merged_iter_pqueue_check(struct merged_iter_pqueue pq)
{
int i;
for (i = 1; i < pq.len; i++) {
int parent = (i - 1) / 2;
EXPECT(pq_less(&pq.heap[parent], &pq.heap[i]));
}
}
static void test_pq(void)
{
char *names[54] = { NULL };
int N = ARRAY_SIZE(names) - 1;
struct merged_iter_pqueue pq = { NULL };
char *last = NULL;
int i = 0;
for (i = 0; i < N; i++) {
char name[100];
snprintf(name, sizeof(name), "%02d", i);
names[i] = xstrdup(name);
}
i = 1;
do {
struct pq_entry e = { .rec = { .type = BLOCK_TYPE_REF,
.u.ref = {
.refname = names[i],
} } };
merged_iter_pqueue_add(&pq, &e);
merged_iter_pqueue_check(pq);
i = (i * 7) % N;
} while (i != 1);
while (!merged_iter_pqueue_is_empty(pq)) {
struct pq_entry e = merged_iter_pqueue_remove(&pq);
struct reftable_record *rec = &e.rec;
merged_iter_pqueue_check(pq);
EXPECT(reftable_record_type(rec) == BLOCK_TYPE_REF);
if (last) {
EXPECT(strcmp(last, rec->u.ref.refname) < 0);
}
// this is names[i], so don't dealloc.
last = rec->u.ref.refname;
rec->u.ref.refname = NULL;
reftable_record_release(rec);
}
for (i = 0; i < N; i++) {
reftable_free(names[i]);
}
merged_iter_pqueue_release(&pq);
}
int pq_test_main(int argc, const char *argv[])
{
RUN_TEST(test_pq);
return 0;
}
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