From 14975379cdeaec2b3a82fc4b0a040ec8bf732316 Mon Sep 17 00:00:00 2001
From: jpirnay <jens@pirnay.com>
Date: Mon, 20 Apr 2026 17:40:31 +0200
Subject: [PATCH] Add wstring to test shims

---
 test/shims/WString.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test/shims/WString.h

diff --git a/test/shims/WString.h b/test/shims/WString.h
new file mode 100644
index 00000000..f5d9eb4f
--- /dev/null
+++ b/test/shims/WString.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <cstddef>
+#include <cstring>
+
+// Minimal host-side stand-in for the Arduino framework's WString/String.
+// Only provides the surface that header-only inline overloads in this repo
+// touch (c_str/length). Host tests never construct a String.
+class String {
+ public:
+  String() = default;
+  String(const char* s) : _buf(s ? s : "") {}
+
+  const char* c_str() const { return _buf; }
+  size_t length() const { return std::strlen(_buf); }
+
+ private:
+  const char* _buf = "";
+};