1 files changed, 22 insertions, 0 deletions
diff --git a/lldb/unittests/TestingSupport/Host/SocketTestUtilities.cpp b/lldb/unittests/TestingSupport/Host/SocketTestUtilities.cpp
index eb5bda0fabc7..72ecde845567 100644
--- a/lldb/unittests/TestingSupport/Host/SocketTestUtilities.cpp
+++ b/lldb/unittests/TestingSupport/Host/SocketTestUtilities.cpp
@@ -116,6 +116,28 @@ bool lldb_private::HostSupportsIPv6() {
   return CheckIPSupport("IPv6", "[::1]:0");
 }
 
+bool lldb_private::HostSupportsLocalhostToIPv4() {
+  if (!HostSupportsIPv4())
+    return false;
+
+  auto addresses = SocketAddress::GetAddressInfo(
+      "localhost", nullptr, AF_UNSPEC, SOCK_STREAM, IPPROTO_TCP);
+  return llvm::any_of(addresses, [](const SocketAddress &addr) {
+    return addr.GetFamily() == AF_INET;
+  });
+}
+
+bool lldb_private::HostSupportsLocalhostToIPv6() {
+  if (!HostSupportsIPv6())
+    return false;
+
+  auto addresses = SocketAddress::GetAddressInfo(
+      "localhost", nullptr, AF_UNSPEC, SOCK_STREAM, IPPROTO_TCP);
+  return llvm::any_of(addresses, [](const SocketAddress &addr) {
+    return addr.GetFamily() == AF_INET6;
+  });
+}
+
 llvm::Expected<std::string> lldb_private::GetLocalhostIP() {
   if (HostSupportsIPv4())
     return "127.0.0.1";