[ntcore] NetworkTables 4 (#3217)

ntcore/src/test/native/cpp/MockLogger.h

@@ -0,0 +1,24 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#pragma once
+
+#include <wpi/Logger.h>
+
+#include "gmock/gmock.h"
+
+namespace wpi {
+
+class MockLogger : public Logger,
+                   public ::testing::MockFunction<void(
+                       unsigned int level, std::string_view file,
+                       unsigned int line, std::string_view msg)> {
+ public:
+  MockLogger() {
+    SetLogger([this](unsigned int level, const char* file, unsigned int line,
+                     const char* msg) { Call(level, file, line, msg); });
+  }
+};
+
+}  // namespace wpi