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Implement channel flush unit test
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37baef0687
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@ -37,6 +37,7 @@ static channel_t * new_fake_channel(void);
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static void scheduler_channel_doesnt_want_writes_mock(channel_t *ch);
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static void scheduler_release_channel_mock(channel_t *ch);
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static void test_channel_flush(void *arg);
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static void test_channel_lifecycle(void *arg);
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static void test_channel_multi(void *arg);
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static void test_channel_queue_size(void *arg);
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@ -216,6 +217,65 @@ scheduler_release_channel_mock(channel_t *ch)
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return;
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}
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static void
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test_channel_flush(void *arg)
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{
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channel_t *ch = NULL;
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cell_t *cell = NULL;
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packed_cell_t *p_cell = NULL;
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var_cell_t *v_cell = NULL;
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int init_count;
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(void)arg;
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init_cell_pool();
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ch = new_fake_channel();
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test_assert(ch);
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/* Cache the original count */
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init_count = test_cells_written;
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/* Stop accepting so we can queue some */
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test_chan_accept_cells = 0;
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/* Queue a regular cell */
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cell = tor_malloc_zero(sizeof(cell_t));
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make_fake_cell(cell);
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channel_write_cell(ch, cell);
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/* It should be queued, so assert that we didn't write it */
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test_eq(test_cells_written, init_count);
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/* Queue a var cell */
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v_cell = tor_malloc_zero(sizeof(var_cell_t) + CELL_PAYLOAD_SIZE);
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make_fake_var_cell(v_cell);
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channel_write_var_cell(ch, v_cell);
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/* It should be queued, so assert that we didn't write it */
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test_eq(test_cells_written, init_count);
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/* Try a packed cell now */
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p_cell = packed_cell_new();
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test_assert(p_cell);
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channel_write_packed_cell(ch, p_cell);
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/* It should be queued, so assert that we didn't write it */
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test_eq(test_cells_written, init_count);
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/* Now allow writes through again */
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test_chan_accept_cells = 1;
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/* ...and flush */
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channel_flush_cells(ch);
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/* All three should have gone through */
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test_eq(test_cells_written, init_count + 3);
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done:
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tor_free(ch);
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free_cell_pool();
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return;
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}
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static void
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test_channel_lifecycle(void *arg)
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{
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@ -676,6 +736,7 @@ test_channel_write(void *arg)
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}
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struct testcase_t channel_tests[] = {
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{ "flush", test_channel_flush, TT_FORK, NULL, NULL },
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{ "lifecycle", test_channel_lifecycle, TT_FORK, NULL, NULL },
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{ "multi", test_channel_multi, TT_FORK, NULL, NULL },
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{ "queue_size", test_channel_queue_size, TT_FORK, NULL, NULL },
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