Don't declare de facto const member functions as non-const

1 files changed, 4 insertions, 4 deletions

diff --git a/src/test/checkqueue_tests.cpp b/src/test/checkqueue_tests.cpp
index 8348810ac1..5dbf07b420 100644
--- a/src/test/checkqueue_tests.cpp
+++ b/src/test/checkqueue_tests.cpp
@@ -26,7 +26,7 @@ static const unsigned int QUEUE_BATCH_SIZE = 128;
 static const int SCRIPT_CHECK_THREADS = 3;
 
 struct FakeCheck {
-    bool operator()()
+    bool operator()() const
     {
         return true;
     }
@@ -47,7 +47,7 @@ struct FailingCheck {
     bool fails;
     FailingCheck(bool _fails) : fails(_fails){};
     FailingCheck() : fails(true){};
-    bool operator()()
+    bool operator()() const
     {
         return !fails;
     }
@@ -76,7 +76,7 @@ struct UniqueCheck {
 struct MemoryCheck {
     static std::atomic<size_t> fake_allocated_memory;
     bool b {false};
-    bool operator()()
+    bool operator()() const
     {
         return true;
     }
@@ -107,7 +107,7 @@ struct FrozenCleanupCheck {
     // Freezing can't be the default initialized behavior given how the queue
     // swaps in default initialized Checks.
     bool should_freeze {false};
-    bool operator()()
+    bool operator()() const
     {
         return true;
     }