From 8f8a962dcd0d9614d2922271f5f2046011f06d10 Mon Sep 17 00:00:00 2001
From: Jan Kotanski <jankotan@gmail.com>
Date: Wed, 22 Jan 2025 16:06:49 +0100
Subject: [PATCH] Issue 650: add Custom to DriverID enum (#665)

* add Custom to DriverID enum

* add tests

* remove DLL_EXPORT
---
 src/h5cpp/file/driver.hpp |  1 +
 test/file/driver_test.cpp | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/h5cpp/file/driver.hpp b/src/h5cpp/file/driver.hpp
index 4bf0624921..828f2b0a63 100644
--- a/src/h5cpp/file/driver.hpp
+++ b/src/h5cpp/file/driver.hpp
@@ -48,6 +48,7 @@ namespace file
 //!
 enum class DriverID : unsigned
 {
+  Custom = 0,
   Posix = 1,
   Direct = 2,
   Memory = 3,
diff --git a/test/file/driver_test.cpp b/test/file/driver_test.cpp
index f07b4f9370..1299ceb286 100644
--- a/test/file/driver_test.cpp
+++ b/test/file/driver_test.cpp
@@ -34,6 +34,18 @@
 
 using namespace hdf5;
 
+
+class MyPosixDriver : public hdf5::file::PosixDriver
+{
+  public:
+  MyPosixDriver() {}
+
+  virtual hdf5::file::DriverID id() const noexcept override{
+    return hdf5::file::DriverID::Custom;
+  }
+};
+
+
 SCENARIO("Construction of a memory driver instance", "[file,h5cpp,driver]") {
   GIVEN("a default constructed instance") {
     file::MemoryDriver m;
@@ -99,6 +111,11 @@ SECTION("the posix driver") {
   REQUIRE(m.id() == file::DriverID::Posix);
 }
 
+ SECTION("the custom driver") {
+  MyPosixDriver m;
+  REQUIRE(m.id() == file::DriverID::Custom);
+}
+
 #ifdef H5CPP_WITH_MPI
 
 SECTION("the MPI driver") {