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#include "test/jemalloc_test.h"
#include "jemalloc/internal/ql.h"
/* Number of ring entries, in [2..26]. */
#define NENTRIES 9
typedef struct list_s list_t;
typedef ql_head(list_t) list_head_t;
struct list_s {
ql_elm(list_t) link;
char id;
};
static void
test_empty_list(list_head_t *head) {
list_t *t;
unsigned i;
assert_ptr_null(ql_first(head), "Unexpected element for empty list");
assert_ptr_null(ql_last(head, link),
"Unexpected element for empty list");
i = 0;
ql_foreach(t, head, link) {
i++;
}
assert_u_eq(i, 0, "Unexpected element for empty list");
i = 0;
ql_reverse_foreach(t, head, link) {
i++;
}
assert_u_eq(i, 0, "Unexpected element for empty list");
}
TEST_BEGIN(test_ql_empty) {
list_head_t head;
ql_new(&head);
test_empty_list(&head);
}
TEST_END
static void
init_entries(list_t *entries, unsigned nentries) {
unsigned i;
for (i = 0; i < nentries; i++) {
entries[i].id = 'a' + i;
ql_elm_new(&entries[i], link);
}
}
static void
test_entries_list(list_head_t *head, list_t *entries, unsigned nentries) {
list_t *t;
unsigned i;
assert_c_eq(ql_first(head)->id, entries[0].id, "Element id mismatch");
assert_c_eq(ql_last(head, link)->id, entries[nentries-1].id,
"Element id mismatch");
i = 0;
ql_foreach(t, head, link) {
assert_c_eq(t->id, entries[i].id, "Element id mismatch");
i++;
}
i = 0;
ql_reverse_foreach(t, head, link) {
assert_c_eq(t->id, entries[nentries-i-1].id,
"Element id mismatch");
i++;
}
for (i = 0; i < nentries-1; i++) {
t = ql_next(head, &entries[i], link);
assert_c_eq(t->id, entries[i+1].id, "Element id mismatch");
}
assert_ptr_null(ql_next(head, &entries[nentries-1], link),
"Unexpected element");
assert_ptr_null(ql_prev(head, &entries[0], link), "Unexpected element");
for (i = 1; i < nentries; i++) {
t = ql_prev(head, &entries[i], link);
assert_c_eq(t->id, entries[i-1].id, "Element id mismatch");
}
}
TEST_BEGIN(test_ql_tail_insert) {
list_head_t head;
list_t entries[NENTRIES];
unsigned i;
ql_new(&head);
init_entries(entries, sizeof(entries)/sizeof(list_t));
for (i = 0; i < NENTRIES; i++) {
ql_tail_insert(&head, &entries[i], link);
}
test_entries_list(&head, entries, NENTRIES);
}
TEST_END
TEST_BEGIN(test_ql_tail_remove) {
list_head_t head;
list_t entries[NENTRIES];
unsigned i;
ql_new(&head);
init_entries(entries, sizeof(entries)/sizeof(list_t));
for (i = 0; i < NENTRIES; i++) {
ql_tail_insert(&head, &entries[i], link);
}
for (i = 0; i < NENTRIES; i++) {
test_entries_list(&head, entries, NENTRIES-i);
ql_tail_remove(&head, list_t, link);
}
test_empty_list(&head);
}
TEST_END
TEST_BEGIN(test_ql_head_insert) {
list_head_t head;
list_t entries[NENTRIES];
unsigned i;
ql_new(&head);
init_entries(entries, sizeof(entries)/sizeof(list_t));
for (i = 0; i < NENTRIES; i++) {
ql_head_insert(&head, &entries[NENTRIES-i-1], link);
}
test_entries_list(&head, entries, NENTRIES);
}
TEST_END
TEST_BEGIN(test_ql_head_remove) {
list_head_t head;
list_t entries[NENTRIES];
unsigned i;
ql_new(&head);
init_entries(entries, sizeof(entries)/sizeof(list_t));
for (i = 0; i < NENTRIES; i++) {
ql_head_insert(&head, &entries[NENTRIES-i-1], link);
}
for (i = 0; i < NENTRIES; i++) {
test_entries_list(&head, &entries[i], NENTRIES-i);
ql_head_remove(&head, list_t, link);
}
test_empty_list(&head);
}
TEST_END
TEST_BEGIN(test_ql_insert) {
list_head_t head;
list_t entries[8];
list_t *a, *b, *c, *d, *e, *f, *g, *h;
ql_new(&head);
init_entries(entries, sizeof(entries)/sizeof(list_t));
a = &entries[0];
b = &entries[1];
c = &entries[2];
d = &entries[3];
e = &entries[4];
f = &entries[5];
g = &entries[6];
h = &entries[7];
/*
* ql_remove(), ql_before_insert(), and ql_after_insert() are used
* internally by other macros that are already tested, so there's no
* need to test them completely. However, insertion/deletion from the
* middle of lists is not otherwise tested; do so here.
*/
ql_tail_insert(&head, f, link);
ql_before_insert(&head, f, b, link);
ql_before_insert(&head, f, c, link);
ql_after_insert(f, h, link);
ql_after_insert(f, g, link);
ql_before_insert(&head, b, a, link);
ql_after_insert(c, d, link);
ql_before_insert(&head, f, e, link);
test_entries_list(&head, entries, sizeof(entries)/sizeof(list_t));
}
TEST_END
int
main(void) {
return test(
test_ql_empty,
test_ql_tail_insert,
test_ql_tail_remove,
test_ql_head_insert,
test_ql_head_remove,
test_ql_insert);
}
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