do not use slash in test (windows compliant)

Author: perazz

ci/run_tests.sh

@@ -350,8 +350,8 @@ pushd custom_module_dir
 rm -rf ./test_custom_install
 "$fpm" install --prefix ./test_custom_install
 # Verify modules are installed in custom directory
-test -f ./test_custom_install/custom/modules/greeting.mod
-test -f ./test_custom_install/custom/modules/math_utils.mod
+test -f ./test_custom_install/custom_modules/greeting.mod
+test -f ./test_custom_install/custom_modules/math_utils.mod
 # Verify library is still installed normally
 test -f ./test_custom_install/lib/libcustom-module-dir.a
 # Clean up

example_packages/custom_module_dir/README.md

@@ -5,7 +5,7 @@ This example demonstrates the use of a custom module directory in the `[install]
 ## Features
 
 - Two simple Fortran modules: `greeting` and `math_utils`
-- Custom module installation directory specified as `custom/modules`
+- Custom module installation directory specified as `custom_modules`
 - Shows how modules can be installed to a different location than headers
 
 ## Configuration
@@ -15,10 +15,10 @@ In `fpm.toml`:
 ```toml
 [install]
 library = true
-module-dir = "custom/modules"
+module-dir = "custom_modules"
 ```
 
-This configuration will install compiled `.mod` files to the `custom/modules` directory instead of the default `include` directory.
+This configuration will install compiled `.mod` files to the `custom_modules` directory instead of the default `include` directory.
 
 ## Testing
 
@@ -28,5 +28,5 @@ To test this example:
 cd example_packages/custom_module_dir
 fpm build
 fpm install --prefix /tmp/test_install
-# Check that .mod files are in /tmp/test_install/custom/modules/
+# Check that .mod files are in /tmp/test_install/custom_modules/
 ```

example_packages/custom_module_dir/fpm.toml

@@ -1,3 +1,3 @@
 name = "custom-module-dir"
 install.library = true
-install.module-dir = "custom/modules"
+install.module-dir = "custom_modules"

test/fpm_test/test_installer.f90

@@ -192,10 +192,10 @@ subroutine test_install_module_custom(error)
         type(mock_installer_t) :: mock
         type(installer_t) :: installer
 
-        call new_installer(installer, prefix="PREFIX", moduledir="custom/modules", verbosity=0, copy="mock")
+        call new_installer(installer, prefix="PREFIX", moduledir="custom_modules", verbosity=0, copy="mock")
         mock%installer_t = installer
-        mock%expected_dir = join_path("PREFIX", "custom/modules")
-        mock%expected_run = 'mock "test_module.mod" "'//join_path("PREFIX", "custom/modules")//'"'
+        mock%expected_dir = join_path("PREFIX", "custom_modules")
+        mock%expected_run = 'mock "test_module.mod" "'//join_path("PREFIX", "custom_modules")//'"'
 
         call mock%install_module("test_module.mod", error)