diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 09d5e364..8747bcb4 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -286,6 +286,7 @@ add_executable(etl_tests
 	test_to_u32string.cpp
 	test_to_u8string.cpp
 	test_to_wstring.cpp
+	test_tuple.cpp
 	test_type_def.cpp
 	test_type_list.cpp
 	test_type_lookup.cpp
diff --git a/test/syntax_check/CMakeLists.txt b/test/syntax_check/CMakeLists.txt
index 0dab0a41..5eeb8ee2 100644
--- a/test/syntax_check/CMakeLists.txt
+++ b/test/syntax_check/CMakeLists.txt
@@ -303,6 +303,7 @@ target_sources(tests PRIVATE
 		to_u32string.h.t.cpp
 		to_u8string.h.t.cpp
 		to_wstring.h.t.cpp
+		tuple.h.t.cpp
 		type_def.h.t.cpp
 		type_lookup.h.t.cpp
 		type_select.h.t.cpp
diff --git a/test/syntax_check/tuple.h.t.cpp b/test/syntax_check/tuple.h.t.cpp
new file mode 100644
index 00000000..ed8e8d64
--- /dev/null
+++ b/test/syntax_check/tuple.h.t.cpp
@@ -0,0 +1,29 @@
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+https://www.etlcpp.com
+
+Copyright(c) 2025 John Wellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#include <etl/tuple.h>
diff --git a/test/vs2022/etl.vcxproj b/test/vs2022/etl.vcxproj
index fde32d91..bfebb2b5 100644
--- a/test/vs2022/etl.vcxproj
+++ b/test/vs2022/etl.vcxproj
@@ -3186,6 +3186,8 @@
     <ClInclude Include="..\..\include\etl\private\diagnostic_pop.h" />
     <ClInclude Include="..\..\include\etl\private\diagnostic_self_assign_overloaded_push.h" />
     <ClInclude Include="..\..\include\etl\private\diagnostic_unused_function_push.h" />
+    <ClInclude Include="..\..\include\etl\private\tuple_element.h" />
+    <ClInclude Include="..\..\include\etl\private\tuple_size.h" />
     <ClInclude Include="..\..\include\etl\private\variant_select_do_operator.h" />
     <ClInclude Include="..\..\include\etl\private\variant_select_do_visitor.h" />
     <ClInclude Include="..\..\include\etl\pseudo_moving_average.h" />
@@ -3336,6 +3338,7 @@
     <ClInclude Include="..\..\include\etl\to_u32string.h" />
     <ClInclude Include="..\..\include\etl\to_u8string.h" />
     <ClInclude Include="..\..\include\etl\to_wstring.h" />
+    <ClInclude Include="..\..\include\etl\tuple.h" />
     <ClInclude Include="..\..\include\etl\type_list.h" />
     <ClInclude Include="..\..\include\etl\type_lookup.h" />
     <ClInclude Include="..\..\include\etl\type_select.h" />
@@ -7847,6 +7850,22 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - Force C++03|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - Forve C++03 - No virtual messages|Win32'">true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\syntax_check\tuple.h.t.cpp">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - No virtual imessage|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++ 20 - No Tests|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - No STL|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++14|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release MSVC C++20 - No STL - Optimised -O2|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - Forve C++03 - No virtual messages|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release MSVC C++20 - No STL - Optimised -O2 - Sanitiser|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++17|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++17 - No STL|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release MSVC C++20 - Optimised O2|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - No virtual messages|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++14 - No STL|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - Force C++03|Win32'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\syntax_check\type_def.h.t.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug MSVC C++20 - No virtual imessage|Win32'">true</ExcludedFromBuild>
@@ -9457,6 +9476,7 @@
     <ClCompile Include="..\test_to_u32string.cpp" />
     <ClCompile Include="..\test_to_u8string.cpp" />
     <ClCompile Include="..\test_to_wstring.cpp" />
+    <ClCompile Include="..\test_tuple.cpp" />
     <ClCompile Include="..\test_type_def.cpp" />
     <ClCompile Include="..\test_type_list.cpp" />
     <ClCompile Include="..\test_type_lookup.cpp" />
diff --git a/test/vs2022/etl.vcxproj.filters b/test/vs2022/etl.vcxproj.filters
index 322cefa3..a0bc794b 100644
--- a/test/vs2022/etl.vcxproj.filters
+++ b/test/vs2022/etl.vcxproj.filters
@@ -1443,6 +1443,15 @@
     <ClInclude Include="..\..\include\etl\monostate.h">
       <Filter>ETL\Utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\include\etl\tuple.h">
+      <Filter>ETL\Containers</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\private\tuple_element.h">
+      <Filter>ETL\Private</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\private\tuple_size.h">
+      <Filter>ETL\Private</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\test_string_char.cpp">
@@ -3449,6 +3458,9 @@
     <ClCompile Include="..\test_index_of_type.cpp">
       <Filter>Tests\Types</Filter>
     </ClCompile>
+    <ClCompile Include="..\test_tuple.cpp">
+      <Filter>Tests\Containers</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\library.properties">