add tests

Author: anutosh491

test/test_interpreter.cpp

@@ -1136,3 +1136,36 @@ TEST_CASE("C and C++ stdout/stderr capture")
     REQUIRE(captured_err.find("C stderr") != std::string::npos);
     REQUIRE(captured_err.find("C++ stderr") != std::string::npos);
 }
+
+#if defined(XEUS_CPP_EMSCRIPTEN_WASM_BUILD)
+TEST_CASE("headers found in sysroot/include/compat")
+{
+    std::vector<const char*> Args = {};
+    xcpp::interpreter interpreter((int)Args.size(), Args.data());
+    std::string code = "#include <xlocale.h>";
+    nl::json user_expressions = nl::json::object();
+    xeus::execute_request_config config;
+    config.silent = false;
+    config.store_history = false;
+    config.allow_stdin = false;
+    nl::json header = nl::json::object();
+    xeus::xrequest_context::guid_list id = {};
+    xeus::xrequest_context context(header, id);
+
+    std::promise<nl::json> promise;
+    std::future<nl::json> future = promise.get_future();
+    auto callback = [&promise](nl::json result) {
+        promise.set_value(result);
+    };
+
+    interpreter.execute_request(
+        std::move(context),
+        std::move(callback),
+        code,
+        std::move(config),
+        user_expressions
+    );
+    nl::json result = future.get();
+    REQUIRE(result["status"] == "ok");
+}
+#endif