Add test for issue #578 (#603)

* create test for try_compile with Windows paths

* restore files

* fix files

* modified conanfile for test

example/CMakeLists.txt

@@ -7,4 +7,4 @@ set(CMAKE_CXX_STANDARD 14)
 find_package(fmt REQUIRED)
 
 add_executable(main main.cpp)
-target_link_libraries(main PRIVATE fmt::fmt)                    
+target_link_libraries(main PRIVATE fmt::fmt)

example/conanfile.txt

@@ -2,4 +2,4 @@
 fmt/9.1.0
 
 [layout]
-cmake_layout
+cmake_layout

tests/resources/try_compile/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.24)
+
+project(FormatOutput LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 14)
+
+find_package(fmt REQUIRED)
+
+add_executable(main main.cpp)
+target_link_libraries(main PRIVATE fmt::fmt)
+
+
+get_property(CONAN_GENERATORS_FOLDER GLOBAL PROPERTY CONAN_GENERATORS_FOLDER)
+list(PREPEND CMAKE_MODULE_PATH "${CONAN_GENERATORS_FOLDER}")
+message("CMAKE_MODULE_PATH: ${CMAKE_MODULE_PATH}")
+
+CHECK_CXX_SOURCE_COMPILES("int main(){return 0;}" HELLO_WORLD_CAN_COMPILE)

tests/resources/try_compile/conanfile.txt

@@ -0,0 +1,8 @@
+[requires]
+fmt/10.1.1
+
+[generators]
+CMakeDeps
+
+[layout]
+cmake_layout

tests/test_smoke.py

@@ -687,3 +687,13 @@ def test_no_generator_py(self, capfd, basic_cmake_project, resource_path):
         run(f'cmake -S {source_dir} -B {binary_dir} -DCMAKE_PROJECT_TOP_LEVEL_INCLUDES={conan_provider} -DCMAKE_BUILD_TYPE=Release', check=False)
         _, err = capfd.readouterr()
         assert 'Cmake-conan: CMakeDeps generator was not defined in the conanfile' in err
+
+
+class TestTryCompile:
+    @windows
+    def test_try_compile(self, capfd, basic_cmake_project):
+        source_dir, binary_dir = basic_cmake_project
+        shutil.copytree(src_dir / 'tests' / 'resources' / 'try_compile', source_dir, dirs_exist_ok=True)
+        run(f'cmake -S {source_dir} -B {binary_dir} -DCMAKE_PROJECT_TOP_LEVEL_INCLUDES={conan_provider}')
+        out, _ = capfd.readouterr()
+        assert 'Performing Test HELLO_WORLD_CAN_COMPILE - Success' in out