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+/* Copyright (c) 2014, The Tor Project, Inc. */
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+/* See LICENSE for licensing information */
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+
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+#include "or.h"
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+#define CIRCUITBUILD_PRIVATE
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+#include "circuitbuild.h"
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+#define RELAY_PRIVATE
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+#include "relay.h"
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+/* For init/free stuff */
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+#include "scheduler.h"
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+
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+/* Test suite stuff */
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+#include "test.h"
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+#include "fakechans.h"
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+
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+static or_circuit_t * new_fake_orcirc(channel_t *nchan, channel_t *pchan);
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+
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+static void test_relay_append_cell_to_circuit_queue(void *arg);
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+
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+static or_circuit_t *
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+new_fake_orcirc(channel_t *nchan, channel_t *pchan)
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+{
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+ or_circuit_t *orcirc = NULL;
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+ circuit_t *circ = NULL;
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+
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+ orcirc = tor_malloc_zero(sizeof(*orcirc));
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+ circ = &(orcirc->base_);
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+ circ->magic = OR_CIRCUIT_MAGIC;
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+
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+ circ->n_chan = nchan;
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+ circ->n_circ_id = get_unique_circ_id_by_chan(nchan);
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+ circ->n_mux = NULL; /* ?? */
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+ cell_queue_init(&(circ->n_chan_cells));
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+ circ->n_hop = NULL;
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+ circ->streams_blocked_on_n_chan = 0;
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+ circ->streams_blocked_on_p_chan = 0;
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+ circ->n_delete_pending = 0;
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+ circ->p_delete_pending = 0;
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+ circ->received_destroy = 0;
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+ circ->state = CIRCUIT_STATE_OPEN;
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+ circ->purpose = CIRCUIT_PURPOSE_OR;
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+ circ->package_window = CIRCWINDOW_START_MAX;
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+ circ->deliver_window = CIRCWINDOW_START_MAX;
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+ circ->n_chan_create_cell = NULL;
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+
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+ orcirc->p_chan = pchan;
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+ orcirc->p_circ_id = get_unique_circ_id_by_chan(pchan);
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+ cell_queue_init(&(orcirc->p_chan_cells));
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+
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+ return orcirc;
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+}
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+
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+static void
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+test_relay_append_cell_to_circuit_queue(void *arg)
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+{
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+ channel_t *nchan = NULL, *pchan = NULL;
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+ or_circuit_t *orcirc = NULL;
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+ cell_t *cell = NULL;
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+ int old_count, new_count;
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+
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+ (void)arg;
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+
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+ /* We'll need the cell pool for append_cell_to_circuit_queue() to work */
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+ init_cell_pool();
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+
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+ /* Make fake channels to be nchan and pchan for the circuit */
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+ nchan = new_fake_channel();
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+ test_assert(nchan);
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+
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+ pchan = new_fake_channel();
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+ test_assert(pchan);
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+
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+ /* We'll need chans with working cmuxes */
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+ nchan->cmux = circuitmux_alloc();
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+ pchan->cmux = circuitmux_alloc();
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+
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+ /* Make a fake orcirc */
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+ orcirc = new_fake_orcirc(nchan, pchan);
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+ test_assert(orcirc);
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+
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+ /* Make a cell */
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+ cell = tor_malloc_zero(sizeof(cell_t));
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+ make_fake_cell(cell);
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+
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+ MOCK(scheduler_channel_has_waiting_cells,
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+ scheduler_channel_has_waiting_cells_mock);
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+
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+ /* Append it */
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+ old_count = get_mock_scheduler_has_waiting_cells_count();
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+ append_cell_to_circuit_queue(TO_CIRCUIT(orcirc), nchan, cell,
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+ CELL_DIRECTION_OUT, 0);
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+ new_count = get_mock_scheduler_has_waiting_cells_count();
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+ test_eq(new_count, old_count + 1);
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+
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+ /* Now try the reverse direction */
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+ old_count = get_mock_scheduler_has_waiting_cells_count();
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+ append_cell_to_circuit_queue(TO_CIRCUIT(orcirc), pchan, cell,
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+ CELL_DIRECTION_IN, 0);
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+ new_count = get_mock_scheduler_has_waiting_cells_count();
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+ test_eq(new_count, old_count + 1);
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+
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+ UNMOCK(scheduler_channel_has_waiting_cells);
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+
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+ /* Get rid of the fake channels */
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+ MOCK(scheduler_release_channel, scheduler_release_channel_mock);
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+ channel_mark_for_close(nchan);
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+ channel_mark_for_close(pchan);
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+ UNMOCK(scheduler_release_channel);
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+
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+ /* Shut down channels */
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+ channel_free_all();
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+ nchan = pchan = NULL;
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+
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+ done:
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+ tor_free(orcirc);
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+ if (nchan && nchan->cmux) circuitmux_free(nchan->cmux);
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+ tor_free(nchan);
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+ if (pchan && pchan->cmux) circuitmux_free(pchan->cmux);
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+ tor_free(pchan);
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+ free_cell_pool();
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+
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+ return;
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+}
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+
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+struct testcase_t relay_tests[] = {
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+ { "append_cell_to_circuit_queue", test_relay_append_cell_to_circuit_queue,
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+ TT_FORK, NULL, NULL },
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+ END_OF_TESTCASES
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+};
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+
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