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Diffstat (limited to 'lib/generic/test_queue.c')
| -rw-r--r-- | lib/generic/test_queue.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/generic/test_queue.c b/lib/generic/test_queue.c new file mode 100644 index 0000000..3a6b5be --- /dev/null +++ b/lib/generic/test_queue.c @@ -0,0 +1,71 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#include "tests/unit/test.h" +#include "lib/generic/queue.h" + +/* The main intention is to use queues with pointers, so we test the same-sized int. */ +typedef queue_t(ptrdiff_t) queue_int_t; +typedef queue_it_t(int) queue_int_it_t; + +static void test_int(void **state_) +{ + queue_int_t q; + queue_init(q); + + /* Case of emptying the queue (and using again) has been broken for a long time. */ + queue_push(q, 2); + queue_pop(q); + queue_push(q, 4); + queue_pop(q); + + queue_push_head(q, 2); + queue_push_head(q, 1); + queue_push_head(q, 0); + for (int i = 0; i < 100; ++i) { + assert_int_equal(queue_head(q), i); + queue_push(q, i + 3); + queue_pop(q); + } + assert_int_equal(queue_len(q), 3); + for (int i = 99; i > 0; --i) { + assert_int_equal(queue_head(q), i + 1); + queue_push_head(q, i); + } + assert_int_equal(queue_len(q), 3 + 99); + + /* Basic iterator test. */ + { + int i = 0; + for (queue_int_it_t it = queue_it_begin(q); !queue_it_finished(it); + queue_it_next(it)) { + ++queue_it_val(it); + ++i; + } + assert_int_equal(queue_len(q), i); + } + + queue_deinit(q); + queue_init(q); + + for (int i = 0; i < 100; ++i) { + queue_push(q, 2*i); + queue_push(q, 2*i + 1); + assert_int_equal(queue_head(q), i); + queue_pop(q); + } + + queue_deinit(q); +} + + +int main(void) +{ + const UnitTest tests[] = { + unit_test(test_int), + }; + + return run_tests(tests); +} + |