some fixes in tests

tests/CMakeLists.txt

@@ -7,6 +7,7 @@ string (REPLACE "-std=gnu++11" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
 
 SET(Tests_SRCS
     tests/TestMain.cpp
+    tests/abortutil.cpp
     tests/compositiontest.cpp
     tests/effectstest.cpp
     tests/groupstest.cpp
@@ -17,8 +18,8 @@ SET(Tests_SRCS
     tests/snaptest.cpp
     tests/test_utils.cpp
     tests/timewarptest.cpp
-    tests/trimmingtest.cpp
     tests/treetest.cpp
+    tests/trimmingtest.cpp
     PARENT_SCOPE
 )
 

tests/abortutil.cpp

+#include "abortutil.hpp"
+#ifdef __linux__
+
+void Disable_Console_Output()
+{
+    // close C file descriptors
+    fclose(stdout);
+    fclose(stderr);
+}
+
+#endif

tests/abortutil.hpp

@@ -44,12 +44,7 @@ template <class F, class... ArgTypes> decltype(auto) invoke(F &&f, ArgTypes &&..
 }
 } // namespace util
 
-void Disable_Console_Output()
-{
-    // close C file descriptors
-    fclose(stdout);
-    fclose(stderr);
-}
+void Disable_Console_Output();
 
 template <class F, class... Args> bool ABORTS(F &&f, Args &&... args)
 {
@@ -85,7 +80,7 @@ template <class F, class... Args> bool ABORTS(F &&f, Args &&... args)
         }
     }
 
-    return true;
+    return aborted;
 }
 #else
 template <class F, class... Args> bool ABORTS(F &&, Args &&...)