X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=tests%2Finput_binary.c;fp=tests%2Finput_binary.c;h=31ed69f327e4ce1391511b5c485ed8db068e04db;hb=02a2bf688f25a50ea05276be75fba8b4f644fca6;hp=0000000000000000000000000000000000000000;hpb=d258022db0b79dffc2bbdde0882e821966dbc312;p=libsigrok.git diff --git a/tests/input_binary.c b/tests/input_binary.c new file mode 100644 index 00000000..31ed69f3 --- /dev/null +++ b/tests/input_binary.c @@ -0,0 +1,327 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2013-2014 Uwe Hermann + * + * 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 +#include +#include "../include/libsigrok/libsigrok.h" +#include "lib.h" + +#define BUFSIZE 1000000 + +enum { + CHECK_ALL_LOW, + CHECK_ALL_HIGH, + CHECK_HELLO_WORLD, +}; + +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 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(GHashTable *options, const uint8_t *buf, int check, + uint64_t samples, uint64_t *samplerate) +{ + int ret; + struct sr_input *in; + const struct sr_input_module *imod; + struct sr_session *session; + struct sr_dev_inst *sdi; + GString *gbuf; + + /* 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; + + gbuf = g_string_new_len((gchar *)buf, (gssize)samples); + + imod = sr_input_find("binary"); + fail_unless(imod != NULL, "Failed to find input module."); + + in = sr_input_new(imod, options); + fail_unless(in != NULL, "Failed to create input instance."); + + sdi = sr_input_dev_inst_get(in); + + sr_session_new(&session); + sr_session_datafeed_callback_add(session, datafeed_in, NULL); + sr_session_dev_add(session, sdi); + + ret = sr_input_send(in, gbuf); + fail_unless(ret == SR_OK, "sr_input_send() error: %d", ret); + sr_input_free(in); + + sr_session_destroy(session); + + g_string_free(gbuf, TRUE); +} + +START_TEST(test_input_binary_all_low) +{ + uint64_t i, samplerate; + GHashTable *options; + uint8_t *buf; + GVariant *gvar; + + buf = g_malloc0(BUFSIZE); + + gvar = g_variant_new_uint64(1250); + options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, + (GDestroyNotify)g_variant_unref); + g_hash_table_insert(options, g_strdup("samplerate"), + g_variant_ref_sink(gvar)); + samplerate = SR_HZ(1250); + + /* Check various filesizes, with/without specifying a samplerate. */ + check_buf(NULL, buf, CHECK_ALL_LOW, 0, NULL); + check_buf(options, buf, CHECK_ALL_LOW, 0, &samplerate); + for (i = 1; i < BUFSIZE; i *= 3) { + check_buf(NULL, buf, CHECK_ALL_LOW, i, NULL); + check_buf(options, buf, CHECK_ALL_LOW, i, &samplerate); + } + + g_hash_table_destroy(options); + g_free(buf); +} +END_TEST + +START_TEST(test_input_binary_all_high) +{ + uint64_t i; + uint8_t *buf; + + buf = g_malloc(BUFSIZE); + memset(buf, 0xff, BUFSIZE); + + check_buf(NULL, buf, CHECK_ALL_HIGH, 0, NULL); + for (i = 1; i < BUFSIZE; i *= 3) + check_buf(NULL, buf, CHECK_ALL_HIGH, i, NULL); + + g_free(buf); +} +END_TEST + +START_TEST(test_input_binary_all_high_loop) +{ + uint8_t *buf; + uint64_t bufsize; + + /* Note: _i is the loop variable from tcase_add_loop_test(). */ + + bufsize = (_i * 10); + buf = g_malloc(BUFSIZE); + memset(buf, 0xff, BUFSIZE); + + check_buf(NULL, buf, CHECK_ALL_HIGH, bufsize, NULL); + + g_free(buf); +} +END_TEST + +START_TEST(test_input_binary_hello_world) +{ + uint64_t samplerate; + uint8_t *buf; + GHashTable *options; + GVariant *gvar; + + buf = (uint8_t *)g_strdup("Hello world"); + + gvar = g_variant_new_uint64(1250); + options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, + (GDestroyNotify)g_variant_unref); + g_hash_table_insert(options, g_strdup("samplerate"), + g_variant_ref_sink(gvar)); + samplerate = SR_HZ(1250); + + /* Check with and without specifying a samplerate. */ + check_buf(NULL, buf, CHECK_HELLO_WORLD, 11, NULL); + check_buf(options, buf, CHECK_HELLO_WORLD, 11, &samplerate); + + g_hash_table_destroy(options); + 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, srtest_setup, srtest_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, 1, 10); + tcase_add_test(tc, test_input_binary_hello_world); + suite_add_tcase(s, tc); + + return s; +}