1 files changed, 64 insertions, 0 deletions
diff --git a/test/functional/legacy/argument_count_spec.lua b/test/functional/legacy/argument_count_spec.lua
new file mode 100644
index 0000000000..ece875d235
--- /dev/null
+++ b/test/functional/legacy/argument_count_spec.lua
@@ -0,0 +1,64 @@
+-- Tests for :[count]argument! and :[count]argdelete
+
+local helpers = require('test.functional.helpers')
+local feed, insert, source = helpers.feed, helpers.insert, helpers.source
+local clear, execute, expect = helpers.clear, helpers.execute, helpers.expect
+
+describe('argument_count', function()
+  setup(clear)
+
+  it('is working', function()
+    execute('%argd')
+    execute('argadd a b c d')
+    execute('set hidden')
+    execute('let buffers = []')
+    execute('augroup TEST')
+    execute([[au BufEnter * call add(buffers, expand('%:t'))]])
+    execute('augroup END')
+    execute('$argu')
+    execute('$-argu')
+    execute('-argu')
+    execute('1argu')
+    execute('+2argu')
+    execute('augroup TEST')
+    execute('au!')
+    execute('augroup END')
+    execute('let arglists = []')
+    execute('.argd')
+    execute('call add(arglists, argv())')
+    execute('-argd')
+    execute('call add(arglists, argv())')
+    execute('$argd')
+    execute('call add(arglists, argv())')
+    execute('1arga c')
+    execute('1arga b')
+    execute('$argu')
+    execute('$arga x')
+    execute('call add(arglists, argv())')
+    execute('0arga Y')
+    execute('call add(arglists, argv())')
+    execute('%argd')
+    execute('call add(arglists, argv())')
+    execute('arga a b c d e f')
+    execute('2,$-argd')
+    execute('call add(arglists, argv())')
+    execute('call append(0, buffers)')
+    execute([[let lnr = line('$')]])
+    execute([[call append(lnr, map(copy(arglists), 'join(v:val, " ")'))]])
+    -- Assert buffer contents.
+    expect([=[
+      d
+      c
+      b
+      a
+      c
+      
+      a b d
+      a d
+      a
+      a b c x
+      Y a b c x
+      
+      a f]=])
+  end)
+end)