1 files changed, 18 insertions, 0 deletions
diff --git a/internal/eventloop_bytes_test.go b/internal/eventloop_bytes_test.go
index ed7f7af..a7c25ef 100644
--- a/internal/eventloop_bytes_test.go
+++ b/internal/eventloop_bytes_test.go
@@ -3,6 +3,7 @@ package internal
 import (
 	"testing"
 
+	"ior/internal/event"
 	"ior/internal/types"
 )
 
@@ -71,3 +72,20 @@ func TestBytesFromRet(t *testing.T) {
 		})
 	}
 }
+
+func TestApplyRetBytesForNullEnterRetExitPair(t *testing.T) {
+	pair := &event.Pair{
+		EnterEv: &types.NullEvent{TraceId: types.SYS_ENTER_SPLICE},
+		ExitEv: &types.RetEvent{
+			TraceId: types.SYS_EXIT_SPLICE,
+			Ret:     4096,
+			RetType: types.TRANSFER_CLASSIFIED,
+		},
+	}
+
+	applyRetBytes(pair)
+
+	if pair.Bytes != 4096 {
+		t.Fatalf("pair.Bytes = %d, want 4096", pair.Bytes)
+	}
+}