diff --git a/src/platform/tls_pointer_win.cpp b/src/platform/tls_pointer_win.cpp
index f2c0212..5d150a0 100644
--- a/src/platform/tls_pointer_win.cpp
+++ b/src/platform/tls_pointer_win.cpp
@@ -76,15 +76,15 @@ key_t create(destructor_t destructor) {
     key_t key = static_cast<key_t>(::TlsAlloc());
     if (key == TLS_OUT_OF_INDEXES) return invalid_value;
     auto rec = tls_data::records();
-    if (!rec) rec = tls_data::records(new tls_data::map_t);
-    if (!rec) return key;
+    if (rec == nullptr) rec = tls_data::records(new tls_data::map_t);
+    if (rec == nullptr) return key;
     rec->emplace(key, tls_data{ key, destructor });
     return key;
 }
 
 void release(key_t key) {
     auto rec = tls_data::records();
-    if (!rec) return;
+    if (rec == nullptr) return;
     rec->erase(key);
     ::TlsFree(static_cast<DWORD>(key));
 }
diff --git a/test/test_ipc.cpp b/test/test_ipc.cpp
index 5009d34..c0a9988 100644
--- a/test/test_ipc.cpp
+++ b/test/test_ipc.cpp
@@ -188,12 +188,32 @@ void Unit::test_channel() {
         return cc;
     };
 
+    std::vector<char const *> const datas = {
+        "hello!",
+        "foo",
+        "bar",
+        "ISO/IEC",
+        "14882:2011",
+        "ISO/IEC 14882:2017 Information technology - Programming languages - C++",
+        "ISO/IEC 14882:2020",
+        "Modern C++ Design: Generic Programming and Design Patterns Applied"
+    };
+
     std::thread t1 {[&] {
         auto cc = wait_for_connected(1);
+        for (std::size_t i = 0; i < datas.size(); ++i) {
+            auto dd = cc.recv();
+            QCOMPARE(dd.size(), std::strlen(datas[i]) + 1);
+            QVERIFY(std::memcmp(dd.data(), datas[i], dd.size()) == 0);
+        }
     }};
 
     std::thread t2 {[&] {
         auto cc = wait_for_connected(2);
+        for (std::size_t i = 0; i < datas.size(); ++i) {
+            std::cout << "sending: " << datas[i] << std::endl;
+            cc.send(datas[i]);
+        }
     }};
 
     t1.join();