1 files changed, 20 insertions, 1 deletions
diff --git a/test/functional/ui/input_spec.lua b/test/functional/ui/input_spec.lua
index ea8968a653..11718a6e18 100644
--- a/test/functional/ui/input_spec.lua
+++ b/test/functional/ui/input_spec.lua
@@ -114,11 +114,30 @@ describe('mappings', function()
   end)
 end)
 
-describe('input utf sequences that contain CSI/K_SPECIAL', function()
+describe('input utf sequences that contain K_SPECIAL (0x80)', function()
   it('ok', function()
     feed('i…<esc>')
     expect('…')
   end)
+
+  it('can be mapped', function()
+    command('inoremap … E280A6')
+    feed('i…<esc>')
+    expect('E280A6')
+  end)
+end)
+
+describe('input utf sequences that contain CSI (0x9B)', function()
+  it('ok', function()
+    feed('iě<esc>')
+    expect('ě')
+  end)
+
+  it('can be mapped', function()
+    command('inoremap ě C49B')
+    feed('iě<esc>')
+    expect('C49B')
+  end)
 end)
 
 describe('input non-printable chars', function()