]> sigrok.org Git - libsigrok.git/blobdiff - tests/input_binary.c
unit tests: Drop unneeded check_ filename prefix.
[libsigrok.git] / tests / input_binary.c
diff --git a/tests/input_binary.c b/tests/input_binary.c
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+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013-2014 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 "../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;
+}