Exercise network recovery and changing device block sizes

tools/chatgui/tests/test_call_delay.cpp

@@ -143,9 +143,27 @@ static void phase_after_silence() {
     DEBUG_INFO(DEBUG_CATEGORY_CALL, "PASS delay phase: 20 arbitrary initial silence/block combinations converge using cuts only");
 }
 
+static void changing_blocks() {
+    Trial t;
+    const unsigned blocks[] = {1, 191, 192, 193, 575, 576, 577, 768, 960, 1920, 8192};
+    uint64_t next = 0, time = 0;
+    t.available = 48000;
+    for (unsigned tick = 0; tick < 3000; ++tick) {
+        unsigned block = blocks[tick % (sizeof(blocks) / sizeof(blocks[0]))];
+        while (next <= time) { t.available += 960; next += 960; }
+        // Пауза устройства на каждый новый цикл создаёт избыток, затем резерв заставляет выйти из DSP.
+        if (!(tick % 50)) t.available += 48000;
+        unsigned reserve = tick % 50 < 25 ? 960 : (unsigned)(t.available + t.delay.stats().pending + 960);
+        t.pull(block, reserve);
+        time += block;
+    }
+    CHECK(t.boundaries >= 120);
+    DEBUG_INFO(DEBUG_CATEGORY_CALL, "PASS delay changing blocks 1..8192 samples, boundaries=%llu", (unsigned long long)t.boundaries);
+}
+
 int main() {
     debug_config_init(); debug_set_level(DEBUG_LEVEL_INFO);
     for (unsigned block : {240, 480, 777, 960}) for (unsigned phase : {0, 239, 479, 719, 959}) steady(block, phase);
-    switching(); tail_and_reset(); phase_after_silence();
+    switching(); tail_and_reset(); phase_after_silence(); changing_blocks();
     return 0;
 }