libsigrok/tests/check_input_binary.c

336 lines
8.6 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <check.h>
#include <glib/gstdio.h>
#include "../libsigrok.h"
#include "lib.h"
#define FILENAME "foo.dat"
#define MAX_FILESIZE (1 * 1000000)
#define CHECK_ALL_LOW 0
#define CHECK_ALL_HIGH 1
#define CHECK_HELLO_WORLD 2
static struct sr_context *sr_ctx;
static uint64_t df_packet_counter = 0, sample_counter = 0;
static gboolean have_seen_df_end = FALSE;
static GArray *logic_channellist = NULL;
static int check_to_perform;
static uint64_t expected_samples;
static uint64_t *expected_samplerate;
static void setup(void)
{
int ret;
ret = sr_init(&sr_ctx);
fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret);
}
static void teardown(void)
{
int ret;
ret = sr_exit(sr_ctx);
fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret);
}
static void check_all_low(const struct sr_datafeed_logic *logic)
{
uint64_t i;
uint8_t *data;
for (i = 0; i < logic->length; i++) {
data = logic->data;
if (data[i * logic->unitsize] != 0)
fail("Logic data was not all-0x00.");
}
}
static void check_all_high(const struct sr_datafeed_logic *logic)
{
uint64_t i;
uint8_t *data;
for (i = 0; i < logic->length; i++) {
data = logic->data;
if (data[i * logic->unitsize] != 0xff)
fail("Logic data was not all-0xff.");
}
}
static void check_hello_world(const struct sr_datafeed_logic *logic)
{
uint64_t i;
uint8_t *data, b;
const char *h = "Hello world";
for (i = 0; i < logic->length; i++) {
data = logic->data;
b = data[sample_counter + i];
if (b != h[sample_counter + i])
fail("Logic data was not 'Hello world'.");
}
}
static void datafeed_in(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet, void *cb_data)
{
const struct sr_datafeed_meta *meta;
const struct sr_datafeed_logic *logic;
struct sr_config *src;
uint64_t samplerate, sample_interval;
GSList *l;
const void *p;
(void)cb_data;
fail_unless(sdi != NULL);
fail_unless(packet != NULL);
if (df_packet_counter++ == 0)
fail_unless(packet->type == SR_DF_HEADER,
"The first packet must be an SR_DF_HEADER.");
if (have_seen_df_end)
fail("There must be no packets after an SR_DF_END, but we "
"received a packet of type %d.", packet->type);
p = packet->payload;
switch (packet->type) {
case SR_DF_HEADER:
// g_debug("Received SR_DF_HEADER.");
// fail_unless(p != NULL, "SR_DF_HEADER payload was NULL.");
logic_channellist = srtest_get_enabled_logic_channels(sdi);
fail_unless(logic_channellist != NULL);
fail_unless(logic_channellist->len != 0);
// g_debug("Enabled channels: %d.", logic_channellist->len);
break;
case SR_DF_META:
// g_debug("Received SR_DF_META.");
meta = packet->payload;
fail_unless(p != NULL, "SR_DF_META payload was NULL.");
for (l = meta->config; l; l = l->next) {
src = l->data;
// g_debug("Got meta key: %d.", src->key);
switch (src->key) {
case SR_CONF_SAMPLERATE:
samplerate = g_variant_get_uint64(src->data);
if (!expected_samplerate)
break;
fail_unless(samplerate == *expected_samplerate,
"Expected samplerate=%" PRIu64 ", "
"got %" PRIu64 "", samplerate,
*expected_samplerate);
// g_debug("samplerate = %" PRIu64 " Hz.",
// samplerate);
break;
case SR_CONF_SAMPLE_INTERVAL:
sample_interval = g_variant_get_uint64(src->data);
(void)sample_interval;
// g_debug("sample interval = %" PRIu64 " ms.",
// sample_interval);
break;
default:
/* Unknown metadata is not an error. */
g_debug("Got unknown meta key: %d.", src->key);
break;
}
}
break;
case SR_DF_LOGIC:
logic = packet->payload;
fail_unless(p != NULL, "SR_DF_LOGIC payload was NULL.");
// g_debug("Received SR_DF_LOGIC (%" PRIu64 " bytes, "
// "unitsize %d).", logic->length, logic->unitsize);
if (check_to_perform == CHECK_ALL_LOW)
check_all_low(logic);
else if (check_to_perform == CHECK_ALL_HIGH)
check_all_high(logic);
else if (check_to_perform == CHECK_HELLO_WORLD)
check_hello_world(logic);
sample_counter += logic->length / logic->unitsize;
break;
case SR_DF_END:
// g_debug("Received SR_DF_END.");
// fail_unless(p != NULL, "SR_DF_END payload was NULL.");
have_seen_df_end = TRUE;
if (sample_counter != expected_samples)
fail("Expected %" PRIu64 " samples, got %" PRIu64 "",
expected_samples, sample_counter);
break;
default:
/*
* Note: The binary input format doesn't support SR_DF_TRIGGER
* and some other types, those should yield an error.
*/
fail("Invalid packet type: %d.", packet->type);
break;
}
}
static void check_buf(const char *filename, GHashTable *param,
const uint8_t *buf, int check, uint64_t samples,
uint64_t *samplerate)
{
int ret;
struct sr_input *in;
struct sr_input_format *in_format;
/* Initialize global variables for this run. */
df_packet_counter = sample_counter = 0;
have_seen_df_end = FALSE;
logic_channellist = NULL;
check_to_perform = check;
expected_samples = samples;
expected_samplerate = samplerate;
in_format = srtest_input_get("binary");
in = g_try_malloc0(sizeof(struct sr_input));
fail_unless(in != NULL);
in->format = in_format;
in->param = param;
srtest_buf_to_file(filename, buf, samples); /* Create a file. */
ret = in->format->init(in, filename);
fail_unless(ret == SR_OK, "Input format init error: %d", ret);
sr_session_new();
sr_session_datafeed_callback_add(datafeed_in, NULL);
sr_session_dev_add(in->sdi);
in_format->loadfile(in, filename);
sr_session_destroy();
g_unlink(filename); /* Delete file again. */
}
START_TEST(test_input_binary_all_low)
{
uint64_t i, samplerate;
uint8_t *buf;
GHashTable *param;
buf = g_try_malloc0(MAX_FILESIZE);
fail_unless(buf != NULL);
param = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
fail_unless(param != NULL);
g_hash_table_insert(param, g_strdup("samplerate"), g_strdup("1250"));
samplerate = SR_HZ(1250);
/* Check various filesizes, with/without specifying a samplerate. */
check_buf(FILENAME, NULL, buf, CHECK_ALL_LOW, 0, NULL);
check_buf(FILENAME, param, buf, CHECK_ALL_LOW, 0, &samplerate);
for (i = 1; i < MAX_FILESIZE; i *= 3) {
check_buf(FILENAME, NULL, buf, CHECK_ALL_LOW, i, NULL);
check_buf(FILENAME, param, buf, CHECK_ALL_LOW, i, &samplerate);
}
g_hash_table_destroy(param);
g_free(buf);
}
END_TEST
START_TEST(test_input_binary_all_high)
{
uint64_t i;
uint8_t *buf;
buf = g_try_malloc(MAX_FILESIZE);
memset(buf, 0xff, MAX_FILESIZE);
check_buf(FILENAME, NULL, buf, CHECK_ALL_LOW, 0, NULL);
for (i = 1; i < MAX_FILESIZE; i *= 3)
check_buf(FILENAME, NULL, buf, CHECK_ALL_HIGH, i, NULL);
g_free(buf);
}
END_TEST
START_TEST(test_input_binary_all_high_loop)
{
uint8_t *buf;
/* Note: _i is the loop variable from tcase_add_loop_test(). */
buf = g_try_malloc((_i * 10) + 1);
memset(buf, 0xff, _i * 10);
check_buf(FILENAME, NULL, buf, CHECK_ALL_HIGH, _i * 10, NULL);
g_free(buf);
}
END_TEST
START_TEST(test_input_binary_hello_world)
{
uint64_t samplerate;
uint8_t *buf;
GHashTable *param;
buf = (uint8_t *)g_strdup("Hello world");
param = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
fail_unless(param != NULL);
g_hash_table_insert(param, g_strdup("samplerate"), g_strdup("1250"));
samplerate = SR_HZ(1250);
/* Check with and without specifying a samplerate. */
check_buf(FILENAME, NULL, buf, CHECK_HELLO_WORLD, 11, NULL);
check_buf(FILENAME, param, buf, CHECK_HELLO_WORLD, 11, &samplerate);
g_hash_table_destroy(param);
g_free(buf);
}
END_TEST
Suite *suite_input_binary(void)
{
Suite *s;
TCase *tc;
s = suite_create("input-binary");
tc = tcase_create("basic");
tcase_add_checked_fixture(tc, setup, teardown);
tcase_add_test(tc, test_input_binary_all_low);
tcase_add_test(tc, test_input_binary_all_high);
tcase_add_loop_test(tc, test_input_binary_all_high_loop, 0, 10);
tcase_add_test(tc, test_input_binary_hello_world);
suite_add_tcase(s, tc);
return s;
}