3 files changed, 51 insertions, 0 deletions
diff --git a/json4cpp/tests/cmake_import/CMakeLists.txt b/json4cpp/tests/cmake_import/CMakeLists.txt
new file mode 100644
index 0000000000..eec5263891
--- /dev/null
+++ b/json4cpp/tests/cmake_import/CMakeLists.txt
@@ -0,0 +1,20 @@
+add_test(NAME cmake_import_configure
+  COMMAND ${CMAKE_COMMAND}
+    -G "${CMAKE_GENERATOR}"
+    -A "${CMAKE_GENERATOR_PLATFORM}"
+    -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+    -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
+    -Dnlohmann_json_DIR=${PROJECT_BINARY_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/project
+)
+add_test(NAME cmake_import_build
+  COMMAND ${CMAKE_COMMAND} --build .
+)
+set_tests_properties(cmake_import_configure PROPERTIES
+  FIXTURES_SETUP cmake_import
+  LABELS not_reproducible
+)
+set_tests_properties(cmake_import_build PROPERTIES
+  FIXTURES_REQUIRED cmake_import
+  LABELS not_reproducible
+)
diff --git a/json4cpp/tests/cmake_import/project/CMakeLists.txt b/json4cpp/tests/cmake_import/project/CMakeLists.txt
new file mode 100644
index 0000000000..181040c62d
--- /dev/null
+++ b/json4cpp/tests/cmake_import/project/CMakeLists.txt
@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.5...3.14)
+
+project(DummyImport CXX)
+
+find_package(nlohmann_json REQUIRED)
+
+if(MSVC)
+    add_compile_options(/EHsc)
+endif()
+
+add_executable(with_namespace_target main.cpp)
+target_link_libraries(with_namespace_target nlohmann_json::nlohmann_json)
+
+add_executable(without_namespace_target main.cpp)
+target_link_libraries(without_namespace_target nlohmann_json)
diff --git a/json4cpp/tests/cmake_import/project/main.cpp b/json4cpp/tests/cmake_import/project/main.cpp
new file mode 100644
index 0000000000..95b4e161bd
--- /dev/null
+++ b/json4cpp/tests/cmake_import/project/main.cpp
@@ -0,0 +1,16 @@
+//     __ _____ _____ _____
+//  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
+// |  |  |__   |  |  | | | |  version 3.12.0
+// |_____|_____|_____|_|___|  https://github.com/nlohmann/json
+//
+// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
+// SPDX-License-Identifier: MIT
+
+#include <nlohmann/json.hpp>
+
+int main()
+{
+    nlohmann::json j;
+
+    return 0;
+}