Queue tests

examples/tests/basic/test-queue/test-queue.ino

@@ -1,7 +1,10 @@
 #include "AudioTools.h"
+#include "Concurrency/QueueLockFree.h"
 
+// select the queue implementation:
 //Queue<int> q;
-QueueFromVector<int> q{0,10};
+//QueueFromVector<int> q{10, 0};
+QueueLockFree<int> q(10);
 
 void setup(){
  Serial.begin(115200);

src/AudioBasic/Collections/QueueFromVector.h

@@ -13,7 +13,7 @@ namespace audio_tools {
 template <class T> 
 class QueueFromVector {
  public:
- QueueFromVector(T empty, size_t size) { 
+ QueueFromVector(size_t size, T empty) { 
  null_value = empty;
  resize(size); 
  };
@@ -72,6 +72,8 @@ class QueueFromVector {
  bool is_full() {
  return _size >= vector.size(); 
  }
+
+ size_t capacity() { return vector.capacity(); }
 
  void setAllocator(Allocator &allocator){
  vector.setAllocator(allocator);

src/AudioTools/Buffers.h

@@ -722,8 +722,8 @@ class NBuffer : public BaseBuffer<T> {
  uint16_t buffer_count = 0;
  BaseBuffer<T> *actual_read_buffer = nullptr;
  BaseBuffer<T> *actual_write_buffer = nullptr;
- QueueFromVector<BaseBuffer<T> *> available_buffers{nullptr,0};
- QueueFromVector<BaseBuffer<T> *> filled_buffers{nullptr,0};
+ QueueFromVector<BaseBuffer<T> *> available_buffers{0, nullptr};
+ QueueFromVector<BaseBuffer<T> *> filled_buffers{0, nullptr};
  unsigned long start_time = 0;
  unsigned long sample_count = 0;
 

src/Concurrency/QueueLockFree.h

@@ -47,6 +47,8 @@ class QueueLockFree {
 
  size_t capacity() const { return capacity_value; }
 
+ bool empty() { return size() == 0;}
+
  size_t size() const {
  size_t head = head_pos.load(std::memory_order_acquire);
  return tail_pos.load(std::memory_order_relaxed) - head;