[wpinet] Move network portions of wpiutil into new wpinet library (#4077)

wpinet/src/test/native/cpp/hostname.cpp

@@ -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.
+
+#include "wpinet/hostname.h"
+
+#include <wpi/SmallString.h>
+#include <wpi/SmallVector.h>
+
+#include "gtest/gtest.h"
+
+namespace wpi {
+TEST(HostNameTest, HostNameNotEmpty) {
+  ASSERT_NE(GetHostname(), "");
+}
+TEST(HostNameTest, HostNameNotEmptySmallVector) {
+  SmallVector<char, 256> name;
+  ASSERT_NE(GetHostname(name), "");
+}
+TEST(HostNameTest, HostNameEq) {
+  SmallVector<char, 256> nameBuf;
+  ASSERT_EQ(GetHostname(nameBuf), GetHostname());
+}
+}  // namespace wpi