static void validate_tree(nghttp2_stream *stream) {
nghttp2_stream *si;
if (!stream) {
return;
}
for (; stream->dep_prev; stream = stream->dep_prev)
;
assert(stream->stream_id == 0);
assert(!stream->queued);
fprintf(stderr, "checking...\n");
if (nghttp2_pq_empty(&stream->obq)) {
fprintf(stderr, "root obq empty\n");
for (si = stream->dep_next; si; si = si->sib_next) {
ensure_inactive(si);
}
} else {
for (si = stream->dep_next; si; si = si->sib_next) {
check_queued(si);
}
}
check_sum_dep(stream);
check_dep_prev(stream);
}
static void ensure_inactive(nghttp2_stream *stream) {
nghttp2_stream *si;
if (stream->queued) {
fprintf(stderr, "stream(%p)=%d, stream->queued = 1; want 0\n", stream,
stream->stream_id);
assert(0);
}
if (stream_active(stream)) {
fprintf(stderr, "stream(%p)=%d, stream_active(stream) = 1; want 0\n",
stream, stream->stream_id);
assert(0);
}
if (!nghttp2_pq_empty(&stream->obq)) {
fprintf(stderr, "stream(%p)=%d, nghttp2_pq_size() = %zu; want 0\n", stream,
stream->stream_id, nghttp2_pq_size(&stream->obq));
assert(0);
}
for (si = stream->dep_next; si; si = si->sib_next) {
ensure_inactive(si);
}
}
static int stream_update_dep_on_detach_item(nghttp2_stream *stream) {
if (nghttp2_pq_empty(&stream->obq)) {
stream_obq_remove(stream);
}
validate_tree(stream);
return 0;
}
void test_nghttp2_pq(void) {
int i;
nghttp2_pq pq;
nghttp2_pq_init(&pq, pq_compar);
CU_ASSERT(nghttp2_pq_empty(&pq));
CU_ASSERT(0 == nghttp2_pq_size(&pq));
CU_ASSERT(0 == nghttp2_pq_push(&pq, (void *)"foo"));
CU_ASSERT(0 == nghttp2_pq_empty(&pq));
CU_ASSERT(1 == nghttp2_pq_size(&pq));
CU_ASSERT(strcmp("foo", nghttp2_pq_top(&pq)) == 0);
CU_ASSERT(0 == nghttp2_pq_push(&pq, (void *)"bar"));
CU_ASSERT(strcmp("bar", nghttp2_pq_top(&pq)) == 0);
CU_ASSERT(0 == nghttp2_pq_push(&pq, (void *)"baz"));
CU_ASSERT(strcmp("bar", nghttp2_pq_top(&pq)) == 0);
CU_ASSERT(0 == nghttp2_pq_push(&pq, (void *)"C"));
CU_ASSERT(4 == nghttp2_pq_size(&pq));
CU_ASSERT(strcmp("C", nghttp2_pq_top(&pq)) == 0);
nghttp2_pq_pop(&pq);
CU_ASSERT(3 == nghttp2_pq_size(&pq));
CU_ASSERT(strcmp("bar", nghttp2_pq_top(&pq)) == 0);
nghttp2_pq_pop(&pq);
CU_ASSERT(strcmp("baz", nghttp2_pq_top(&pq)) == 0);
nghttp2_pq_pop(&pq);
CU_ASSERT(strcmp("foo", nghttp2_pq_top(&pq)) == 0);
nghttp2_pq_pop(&pq);
CU_ASSERT(nghttp2_pq_empty(&pq));
CU_ASSERT(0 == nghttp2_pq_size(&pq));
CU_ASSERT(NULL == nghttp2_pq_top(&pq));
/* Add bunch of entry to see realloc works */
for (i = 0; i < 10000; ++i) {
CU_ASSERT(0 == nghttp2_pq_push(&pq, (void *)"foo"));
CU_ASSERT((size_t)(i + 1) == nghttp2_pq_size(&pq));
}
for (i = 10000; i > 0; --i) {
CU_ASSERT(NULL != nghttp2_pq_top(&pq));
nghttp2_pq_pop(&pq);
CU_ASSERT((size_t)(i - 1) == nghttp2_pq_size(&pq));
}
nghttp2_pq_free(&pq);
}
static void check_queued(nghttp2_stream *stream) {
nghttp2_stream *si;
int queued;
if (stream->queued) {
if (!stream_subtree_active(stream)) {
fprintf(stderr,
"stream(%p)=%d, stream->queued == 1, but "
"stream_active() == %d and nghttp2_pq_size(&stream->obq) = %zu\n",
stream, stream->stream_id, stream_active(stream),
nghttp2_pq_size(&stream->obq));
assert(0);
}
if (!stream_active(stream)) {
queued = 0;
for (si = stream->dep_next; si; si = si->sib_next) {
if (si->queued) {
++queued;
}
}
if (queued == 0) {
fprintf(stderr,
"stream(%p)=%d, stream->queued == 1, and "
"!stream_active(), but no descendants is queued\n",
stream, stream->stream_id);
assert(0);
}
}
for (si = stream->dep_next; si; si = si->sib_next) {
check_queued(si);
}
} else {
if (stream_active(stream) || !nghttp2_pq_empty(&stream->obq)) {
fprintf(stderr,
"stream(%p) = %d, stream->queued == 0, but "
"stream_active(stream) == %d and "
"nghttp2_pq_size(&stream->obq) = %zu\n",
stream, stream->stream_id, stream_active(stream),
nghttp2_pq_size(&stream->obq));
assert(0);
}
for (si = stream->dep_next; si; si = si->sib_next) {
ensure_inactive(si);
}
}
}
/*
* Returns nonzero if |stream| or one of its descendants is active
*/
static int stream_subtree_active(nghttp2_stream *stream) {
return stream_active(stream) || !nghttp2_pq_empty(&stream->obq);
}
void test_nghttp2_pq(void) {
int i;
nghttp2_pq pq;
string_entry *top;
nghttp2_pq_init(&pq, pq_less, nghttp2_mem_default());
CU_ASSERT(nghttp2_pq_empty(&pq));
CU_ASSERT(0 == nghttp2_pq_size(&pq));
CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("foo")->ent));
CU_ASSERT(0 == nghttp2_pq_empty(&pq));
CU_ASSERT(1 == nghttp2_pq_size(&pq));
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("foo", top->s) == 0);
CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("bar")->ent));
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("bar", top->s) == 0);
CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("baz")->ent));
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("bar", top->s) == 0);
CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("C")->ent));
CU_ASSERT(4 == nghttp2_pq_size(&pq));
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("C", top->s) == 0);
string_entry_del(top);
nghttp2_pq_pop(&pq);
CU_ASSERT(3 == nghttp2_pq_size(&pq));
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("bar", top->s) == 0);
nghttp2_pq_pop(&pq);
string_entry_del(top);
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("baz", top->s) == 0);
nghttp2_pq_pop(&pq);
string_entry_del(top);
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(strcmp("foo", top->s) == 0);
nghttp2_pq_pop(&pq);
string_entry_del(top);
CU_ASSERT(nghttp2_pq_empty(&pq));
CU_ASSERT(0 == nghttp2_pq_size(&pq));
CU_ASSERT(NULL == nghttp2_pq_top(&pq));
/* Add bunch of entry to see realloc works */
for (i = 0; i < 10000; ++i) {
CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("foo")->ent));
CU_ASSERT((size_t)(i + 1) == nghttp2_pq_size(&pq));
}
for (i = 10000; i > 0; --i) {
top = (string_entry *)nghttp2_pq_top(&pq);
CU_ASSERT(NULL != top);
nghttp2_pq_pop(&pq);
string_entry_del(top);
CU_ASSERT((size_t)(i - 1) == nghttp2_pq_size(&pq));
}
nghttp2_pq_free(&pq);
}