From 4ddf0453d5381ae2035994057c2d0c535e5e3443 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Wed, 6 Mar 2024 01:13:01 -0500
Subject: Tests/CXXModules: add a test using `TARGET_OBJECTS` from modules

See: #25732
---
 Tests/RunCMake/CXXModules/RunCMakeTest.cmake       |  1 +
 .../examples/target-objects/CMakeLists.txt         | 22 ++++++++++++++++++++++
 .../examples/target-objects/importable.cxx         | 13 +++++++++++++
 .../CXXModules/examples/target-objects/main.cxx    |  6 ++++++
 4 files changed, 42 insertions(+)
 create mode 100644 Tests/RunCMake/CXXModules/examples/target-objects/CMakeLists.txt
 create mode 100644 Tests/RunCMake/CXXModules/examples/target-objects/importable.cxx
 create mode 100644 Tests/RunCMake/CXXModules/examples/target-objects/main.cxx

diff --git a/Tests/RunCMake/CXXModules/RunCMakeTest.cmake b/Tests/RunCMake/CXXModules/RunCMakeTest.cmake
index c2c00d2..14829a1 100644
--- a/Tests/RunCMake/CXXModules/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CXXModules/RunCMakeTest.cmake
@@ -220,6 +220,7 @@ if ("named" IN_LIST CMake_TEST_MODULE_COMPILATION)
   unset(RunCMake_CXXModules_NO_TEST)
   run_cxx_module_test(same-src-name)
   run_cxx_module_test(scan_properties)
+  run_cxx_module_test(target-objects)
 endif ()
 
 # Tests which require compile commands support.
diff --git a/Tests/RunCMake/CXXModules/examples/target-objects/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/target-objects/CMakeLists.txt
new file mode 100644
index 0000000..4f2f4a2
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/examples/target-objects/CMakeLists.txt
@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.28)
+project(cxx_modules_target_objects CXX)
+
+include("${CMAKE_SOURCE_DIR}/../cxx-modules-rules.cmake")
+
+add_library(target_objects)
+target_sources(target_objects
+  PRIVATE
+    FILE_SET CXX_MODULES
+      BASE_DIRS
+        "${CMAKE_CURRENT_SOURCE_DIR}"
+      FILES
+        importable.cxx)
+target_compile_features(target_objects PRIVATE cxx_std_20)
+
+add_executable(main)
+target_sources(main
+  PRIVATE
+    main.cxx
+    "$<TARGET_OBJECTS:target_objects>")
+
+add_test(NAME main COMMAND main)
diff --git a/Tests/RunCMake/CXXModules/examples/target-objects/importable.cxx b/Tests/RunCMake/CXXModules/examples/target-objects/importable.cxx
new file mode 100644
index 0000000..1aee1a6
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/examples/target-objects/importable.cxx
@@ -0,0 +1,13 @@
+export module importable;
+
+export int from_import()
+{
+  return 0;
+}
+
+extern "C++" {
+int f()
+{
+  return from_import();
+}
+}
diff --git a/Tests/RunCMake/CXXModules/examples/target-objects/main.cxx b/Tests/RunCMake/CXXModules/examples/target-objects/main.cxx
new file mode 100644
index 0000000..a652ccf
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/examples/target-objects/main.cxx
@@ -0,0 +1,6 @@
+int f();
+
+int main(int argc, char* argv[])
+{
+  return f();
+}
-- 
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