Adapt tests to new fork-join model.

lib/pls/include/pls/internal/scheduling/task.h

@@ -34,7 +34,7 @@ class task {
   virtual void execute_internal() = 0;
 
   template<typename T>
-  void spawn_child(T &sub_task);
+  void spawn_child(T &&sub_task);
   void wait_for_all();
 
  private:
@@ -42,9 +42,9 @@ class task {
 };
 
 template<typename T>
-void task::spawn_child(T &sub_task) {
+void task::spawn_child(T &&sub_task) {
   PROFILE_FORK_JOIN_STEALING("spawn_child")
-  static_assert(std::is_base_of<task, T>::value, "Only pass task subclasses!");
+  static_assert(std::is_base_of<task, typename std::remove_reference<T>::type>::value, "Only pass task subclasses!");
 
   // Keep our refcount up to date
   ref_count_++;

test/CMakeLists.txt

 add_executable(tests
         main.cpp
-        data_structures_test.cpp)
+        data_structures_test.cpp
+        scheduling_tests.cpp)
 target_link_libraries(tests catch2 pls)

test/scheduling_tests.cpp

@@ -4,7 +4,7 @@
 
 using namespace pls;
 
-class once_sub_task : public fork_join_sub_task {
+class once_sub_task : public task {
   std::atomic<int> *counter_;
   int children_;
 
@@ -18,12 +18,12 @@ class once_sub_task : public fork_join_sub_task {
 
  public:
   explicit once_sub_task(std::atomic<int> *counter, int children) :
-      fork_join_sub_task(),
+      task{},
       counter_{counter},
       children_{children} {}
 };
 
-class force_steal_sub_task : public fork_join_sub_task {
+class force_steal_sub_task : public task {
   std::atomic<int> *parent_counter_;
   std::atomic<int> *overall_counter_;
 
@@ -41,7 +41,7 @@ class force_steal_sub_task : public fork_join_sub_task {
 
  public:
   explicit force_steal_sub_task(std::atomic<int> *parent_counter, std::atomic<int> *overall_counter) :
-      fork_join_sub_task(),
+      task{},
       parent_counter_{parent_counter},
       overall_counter_{overall_counter} {}
 };
@@ -57,8 +57,7 @@ TEST_CASE("tbb task are scheduled correctly", "[internal/scheduling/fork_join_ta
 
     my_scheduler.perform_work([&]() {
       once_sub_task sub_task{&counter, start_counter};
-      fork_join_task task{&sub_task, unique_id::create(42)};
-      scheduler::execute_task(task);
+      scheduler::spawn_child(sub_task);
     });
 
     REQUIRE(counter.load() == total_tasks);
@@ -70,8 +69,7 @@ TEST_CASE("tbb task are scheduled correctly", "[internal/scheduling/fork_join_ta
     my_scheduler.perform_work([&]() {
       std::atomic<int> dummy_parent{1}, overall_counter{8};
       force_steal_sub_task sub_task{&dummy_parent, &overall_counter};
-      fork_join_task task{&sub_task, unique_id::create(42)};
-      scheduler::execute_task(task);
+      scheduler::spawn_child(sub_task);
     });
     my_scheduler.terminate(true);
   }