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Add concat and split functionality to ql module

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This commit is contained in:
Yinan Zhang
2020-04-01 17:02:37 -07:00
parent 1ad06aa53b
commit 0dc95a882f
2 changed files with 87 additions and 1 deletions
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69
test/unit/ql.c
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@@ -192,6 +192,72 @@ TEST_BEGIN(test_ql_insert) {
}
TEST_END
static void
test_concat_split_entries(list_t *entries, unsigned nentries_a,
unsigned nentries_b) {
init_entries(entries, nentries_a + nentries_b);
list_head_t head_a;
ql_new(&head_a);
for (unsigned i = 0; i < nentries_a; i++) {
ql_tail_insert(&head_a, &entries[i], link);
}
if (nentries_a == 0) {
test_empty_list(&head_a);
} else {
test_entries_list(&head_a, entries, nentries_a);
}
list_head_t head_b;
ql_new(&head_b);
for (unsigned i = 0; i < nentries_b; i++) {
ql_tail_insert(&head_b, &entries[nentries_a + i], link);
}
if (nentries_b == 0) {
test_empty_list(&head_b);
} else {
test_entries_list(&head_b, entries + nentries_a, nentries_b);
}
ql_concat(&head_a, &head_b, link);
if (nentries_a + nentries_b == 0) {
test_empty_list(&head_a);
} else {
test_entries_list(&head_a, entries, nentries_a + nentries_b);
}
test_empty_list(&head_b);
if (nentries_b == 0) {
return;
}
list_head_t head_c;
ql_split(&head_a, &entries[nentries_a], &head_c, link);
if (nentries_a == 0) {
test_empty_list(&head_a);
} else {
test_entries_list(&head_a, entries, nentries_a);
}
test_entries_list(&head_c, entries + nentries_a, nentries_b);
}
TEST_BEGIN(test_ql_concat_split) {
list_t entries[NENTRIES];
test_concat_split_entries(entries, 0, 0);
test_concat_split_entries(entries, 0, 1);
test_concat_split_entries(entries, 1, 0);
test_concat_split_entries(entries, 0, NENTRIES);
test_concat_split_entries(entries, 1, NENTRIES - 1);
test_concat_split_entries(entries, NENTRIES / 2,
NENTRIES - NENTRIES / 2);
test_concat_split_entries(entries, NENTRIES - 1, 1);
test_concat_split_entries(entries, NENTRIES, 0);
}
TEST_END
int
main(void) {
return test(
@@ -200,5 +266,6 @@ main(void) {
test_ql_tail_remove,
test_ql_head_insert,
test_ql_head_remove,
test_ql_insert);
test_ql_insert,
test_ql_concat_split);
}