1 files changed, 36 insertions, 0 deletions
diff --git a/test/functional/shada/registers_spec.lua b/test/functional/shada/registers_spec.lua
index fc812f799c..71af14aba8 100644
--- a/test/functional/shada/registers_spec.lua
+++ b/test/functional/shada/registers_spec.lua
@@ -148,4 +148,40 @@ describe('ShaDa support code', function()
     eq({{'\171«'}, 'v'}, getreg('e'))
   end)
 
+  it('has a blank unnamed register if it wasn\'t set and register 0 is empty',
+  function()
+    setreg('1', {'one'}, 'c')
+    setreg('2', {'two'}, 'c')
+    setreg('a', {'a'}, 'c')
+    nvim_command('qall')
+    reset()
+    eq({{}, ''}, getreg('0'))
+    eq({{'one'}, 'v'}, getreg('1'))
+    eq({{}, ''}, getreg('"'))
+    eq({{'a'}, 'v'}, getreg('a'))
+  end)
+
+  it('defaults the unnamed register to register 0 if it wasn\'t set',
+  function()
+    setreg('0', {'zero'}, 'c')
+    setreg('1', {'one'}, 'c')
+    setreg('2', {'two'}, 'c')
+    nvim_command('qall')
+    reset()
+    eq({{'zero'}, 'v'}, getreg('0'))
+    eq({{'one'}, 'v'}, getreg('1'))
+    eq({{'zero'}, 'v'}, getreg('"'))
+  end)
+
+  it('remembers which register was the unnamed register when loading',
+  function()
+    setreg('0', {'zero'}, 'c')
+    setreg('1', {'one'}, 'cu')
+    setreg('2', {'two'}, 'c')
+    nvim_command('qall')
+    reset()
+    eq({{'zero'}, 'v'}, getreg('0'))
+    eq({{'one'}, 'v'}, getreg('1'))
+    eq({{'one'}, 'v'}, getreg('"'))
+  end)
 end)