diff --git a/test/test_ipc.cpp b/test/test_ipc.cpp
index d126ce0..5d104a8 100644
--- a/test/test_ipc.cpp
+++ b/test/test_ipc.cpp
@@ -338,6 +338,7 @@ void Unit::test_route() {
         ipc::route cc { "my-ipc-route" };
         for (std::size_t i = 0; i < datas.size(); ++i) {
             ipc::buff_t dd = cc.recv();
+            std::cout << "recv: " << (char*)dd.data() << std::endl;
             QCOMPARE(dd.size(), std::strlen(datas[i]) + 1);
             QVERIFY(std::memcmp(dd.data(), datas[i], dd.size()) == 0);
         }