Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455

auto_tests/lan_discovery_test.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "../testing/misc_tools.h"
+#include "../toxcore/ccompat.h"
+#include "../toxcore/tox_struct.h"
+#include "auto_test_support.h"
+
+static uint64_t get_state_clock_callback(void *user_data)
+{
+    const uint64_t *clock = (const uint64_t *)user_data;
+    return *clock;
+}
+
+int main(void)
+{
+    setvbuf(stdout, nullptr, _IONBF, 0);
+
+    Tox *tox1 = tox_new_log_lan(nullptr, nullptr, nullptr, /* lan_discovery */true);
+    Tox *tox2 = tox_new_log_lan(nullptr, nullptr, nullptr, /* lan_discovery */true);
+    ck_assert(tox1 != nullptr);
+    ck_assert(tox2 != nullptr);
+
+    uint64_t clock = current_time_monotonic(tox1->mono_time);
+    Mono_Time *mono_time;
+
+    mono_time = tox1->mono_time;
+    mono_time_set_current_time_callback(mono_time, get_state_clock_callback, &clock);
+
+    mono_time = tox2->mono_time;
+    mono_time_set_current_time_callback(mono_time, get_state_clock_callback, &clock);
+
+    printf("Waiting for LAN discovery. This loop will attempt to run until successful.");
+
+    do {
+        printf(".");
+        fflush(stdout);
+
+        tox_iterate(tox1, nullptr);
+        tox_iterate(tox2, nullptr);
+        c_sleep(5);
+        clock += 100;
+    } while (tox_self_get_connection_status(tox1) == TOX_CONNECTION_NONE ||
+             tox_self_get_connection_status(tox2) == TOX_CONNECTION_NONE);
+
+    printf(" %d <-> %d\n",
+           tox_self_get_connection_status(tox1),
+           tox_self_get_connection_status(tox2));
+
+    tox_kill(tox2);
+    tox_kill(tox1);
+    return 0;
+}