test: put the libraries together with the binary on Windows

... to make the test target file work.

test/CMakeLists.txt

@@ -9,5 +9,21 @@ if(BUILD_SHARED_LIBS)
   target_compile_definitions(rime_test PRIVATE RIME_IMPORTS)
 endif(BUILD_SHARED_LIBS)
 
+# On Windows, usually we need to put the libraries together with the binary,
+# so binary can work well.
+if(WINDOWS)
+  if(EXISTS "${CMAKE_BINARY_DIR}/lib/$<CONFIGURATION>")
+    add_custom_command(TARGET rime_test POST_BUILD
+      COMMAND ${CMAKE_COMMAND} -E copy_directory
+        "${CMAKE_BINARY_DIR}/lib/$<CONFIGURATION>"
+        $<TARGET_FILE_DIR:rime_test>)
+  else()
+    add_custom_command(TARGET rime_test POST_BUILD
+      COMMAND ${CMAKE_COMMAND} -E copy_directory
+        "${CMAKE_BINARY_DIR}/lib"
+        $<TARGET_FILE_DIR:rime_test>)
+  endif()
+endif()
+
 add_test(NAME rime_test COMMAND rime_test
   WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}/data/test")