Restoring tests/pybind11_tests.h version from master, removing just the comment and empty line that was added in PR pybind#3087; those were made obsolete by the pragma cleanup that concluded with PR pybind#3186.

Author: rwgk

tests/pybind11_tests.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include <pybind11/eval.h>
 #include <pybind11/pybind11.h>
+#include <pybind11/eval.h>
 
 #if defined(_MSC_VER) && _MSC_VER < 1910
 // We get some really long type names here which causes MSVC 2015 to emit warnings
@@ -26,13 +26,13 @@ class test_initializer {
     void test_submodule_##name(py::module_ &(variable))
 
 /// Dummy type which is not exported anywhere -- something to trigger a conversion error
-struct UnregisteredType {};
+struct UnregisteredType { };
 
 /// A user-defined type which is exported and can be used by any test
 class UserType {
 public:
     UserType() = default;
-    UserType(int i) : i(i) {}
+    UserType(int i) : i(i) { }
 
     int value() const { return i; }
     void set(int set) { i = set; }
@@ -46,7 +46,7 @@ class IncType : public UserType {
 public:
     using UserType::UserType;
     IncType() = default;
-    IncType(const IncType &other) : IncType(other.value() + 1) {}
+    IncType(const IncType &other) : IncType(other.value() + 1) { }
     IncType(IncType &&) = delete;
     IncType &operator=(const IncType &) = delete;
     IncType &operator=(IncType &&) = delete;
@@ -58,21 +58,16 @@ union IntFloat {
     float f;
 };
 
-/// Custom cast-only type that casts to a string "rvalue" or "lvalue" depending on the cast
-/// context. Used to test recursive casters (e.g. std::tuple, stl containers).
+/// Custom cast-only type that casts to a string "rvalue" or "lvalue" depending on the cast context.
+/// Used to test recursive casters (e.g. std::tuple, stl containers).
 struct RValueCaster {};
 PYBIND11_NAMESPACE_BEGIN(pybind11)
 PYBIND11_NAMESPACE_BEGIN(detail)
-template <>
-class type_caster<RValueCaster> {
+template<> class type_caster<RValueCaster> {
 public:
     PYBIND11_TYPE_CASTER(RValueCaster, _("RValueCaster"));
-    static handle cast(RValueCaster &&, return_value_policy, handle) {
-        return py::str("rvalue").release();
-    }
-    static handle cast(const RValueCaster &, return_value_policy, handle) {
-        return py::str("lvalue").release();
-    }
+    static handle cast(RValueCaster &&, return_value_policy, handle) { return py::str("rvalue").release(); }
+    static handle cast(const RValueCaster &, return_value_policy, handle) { return py::str("lvalue").release(); }
 };
 PYBIND11_NAMESPACE_END(detail)
 PYBIND11_NAMESPACE_END(pybind11)
@@ -86,6 +81,5 @@ void ignoreOldStyleInitWarnings(F &&body) {
     with warnings.catch_warnings():
         warnings.filterwarnings("ignore", message=message, category=FutureWarning)
         body()
-    )",
-             py::dict(py::arg("body") = py::cpp_function(body)));
+    )", py::dict(py::arg("body") = py::cpp_function(body)));
 }