1 files changed, 28 insertions, 0 deletions
diff --git a/test/functional/legacy/argument_0count_spec.lua b/test/functional/legacy/argument_0count_spec.lua
new file mode 100644
index 0000000000..6e8b60547b
--- /dev/null
+++ b/test/functional/legacy/argument_0count_spec.lua
@@ -0,0 +1,28 @@
+-- Tests for :0argadd and :0argedit
+
+local helpers = require('test.functional.helpers')
+local eq, eval, clear, execute =
+  helpers.eq, helpers.eval, helpers.clear, helpers.execute
+
+describe('argument_0count', function()
+  setup(clear)
+
+  it('is working', function()
+    execute('arga a b c d')
+    eq({'a', 'b', 'c', 'd'}, eval('argv()'))
+    execute('2argu')
+    execute('0arga added')
+    eq({'added', 'a', 'b', 'c', 'd'}, eval('argv()'))
+    execute('2argu')
+    execute('arga third')
+    eq({'added', 'a', 'third', 'b', 'c', 'd'}, eval('argv()'))
+    execute('%argd')
+    execute('arga a b c d')
+    execute('2argu')
+    execute('0arge edited')
+    eq({'edited', 'a', 'b', 'c', 'd'}, eval('argv()'))
+    execute('2argu')
+    execute('arga third')
+    eq({'edited', 'a', 'third', 'b', 'c', 'd'}, eval('argv()'))
+  end)
+end)