diff --git a/test/mode.vim b/test/mode.vim
new file mode 100644
index 0000000..53280f5
--- /dev/null
+++ b/test/mode.vim
@@ -0,0 +1,14 @@
+let s:suite = themis#suite('mode')
+let s:assert = themis#helper('assert')
+
+function! s:suite.mode()
+  let g:lightline = {}
+  call lightline#init()
+  call s:assert.equals(lightline#mode(), 'NORMAL')
+endfunction
+
+function! s:suite.mode_map()
+  let g:lightline = { 'mode_map': { 'n': 'N' } }
+  call lightline#init()
+  call s:assert.equals(lightline#mode(), 'N')
+endfunction