75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file or at
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https://developers.google.com/open-source/licenses/bsd
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*/
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#include "system.h"
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#include "basics.h"
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#include "constants.h"
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#include "pq.h"
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#include "record.h"
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#include "reftable-tests.h"
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#include "test_framework.h"
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void merged_iter_pqueue_check(struct merged_iter_pqueue pq)
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{
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int i;
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for (i = 1; i < pq.len; i++) {
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int parent = (i - 1) / 2;
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EXPECT(pq_less(&pq.heap[parent], &pq.heap[i]));
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}
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}
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static void test_pq(void)
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{
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struct merged_iter_pqueue pq = { NULL };
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struct reftable_record recs[54];
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int N = ARRAY_SIZE(recs) - 1, i;
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char *last = NULL;
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for (i = 0; i < N; i++) {
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struct strbuf refname = STRBUF_INIT;
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strbuf_addf(&refname, "%02d", i);
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reftable_record_init(&recs[i], BLOCK_TYPE_REF);
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recs[i].u.ref.refname = strbuf_detach(&refname, NULL);
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}
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i = 1;
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do {
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struct pq_entry e = {
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.rec = &recs[i],
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};
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merged_iter_pqueue_add(&pq, &e);
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merged_iter_pqueue_check(pq);
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i = (i * 7) % N;
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} while (i != 1);
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while (!merged_iter_pqueue_is_empty(pq)) {
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struct pq_entry e = merged_iter_pqueue_remove(&pq);
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merged_iter_pqueue_check(pq);
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EXPECT(reftable_record_type(e.rec) == BLOCK_TYPE_REF);
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if (last)
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EXPECT(strcmp(last, e.rec->u.ref.refname) < 0);
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last = e.rec->u.ref.refname;
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}
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for (i = 0; i < N; i++)
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reftable_record_release(&recs[i]);
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merged_iter_pqueue_release(&pq);
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}
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int pq_test_main(int argc, const char *argv[])
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{
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RUN_TEST(test_pq);
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return 0;
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}
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