Merge remote-tracking branch 'upstream/master' into aucmd_textputpostaucmd_textputpost

1 files changed, 0 insertions, 1070 deletions

diff --git a/src/nvim/testdir/test_listdict.vim b/src/nvim/testdir/test_listdict.vim
deleted file mode 100644
index 9ecd83265a..0000000000
--- a/src/nvim/testdir/test_listdict.vim
+++ /dev/null
@@ -1,1070 +0,0 @@
-" Tests for the List and Dict types
-
-func TearDown()
-  " Run garbage collection after every test
-  call test_garbagecollect_now()
-endfunc
-
-" Tests for List type
-
-" List creation
-func Test_list_create()
-  " Creating List directly with different types
-  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
-  call assert_equal("[1, 'as''d', [1, 2, function('strlen')], {'a': 1}]", string(l))
-  call assert_equal({'a' : 1}, l[-1])
-  call assert_equal(1, l[-4])
-  let x = 10
-  try
-    let x = l[-5]
-  catch
-    call assert_match('E684:', v:exception)
-  endtry
-  call assert_equal(10, x)
-endfunc
-
-" List slices
-func Test_list_slice()
-  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
-  call assert_equal([1, 'as''d', [1, 2, function('strlen')], {'a': 1}], l[:])
-  call assert_equal(['as''d', [1, 2, function('strlen')], {'a': 1}], l[1:])
-  call assert_equal([1, 'as''d', [1, 2, function('strlen')]], l[:-2])
-  call assert_equal([1, 'as''d', [1, 2, function('strlen')], {'a': 1}], l[0:8])
-  call assert_equal([], l[8:-1])
-  call assert_equal([], l[0:-10])
-  " perform an operation on a list slice
-  let l = [1, 2, 3]
-  let l[:1] += [1, 2]
-  let l[2:] -= [1]
-  call assert_equal([2, 4, 2], l)
-endfunc
-
-" List identity
-func Test_list_identity()
-  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
-  let ll = l
-  let lx = copy(l)
-  call assert_true(l == ll)
-  call assert_false(l isnot ll)
-  call assert_true(l is ll)
-  call assert_true(l == lx)
-  call assert_false(l is lx)
-  call assert_true(l isnot lx)
-endfunc
-
-" removing items with :unlet
-func Test_list_unlet()
-  let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
-  unlet l[2]
-  call assert_equal([1, 'as''d', {'a': 1}], l)
-  let l = range(8)
-  unlet l[:3]
-  unlet l[1:]
-  call assert_equal([4], l)
-
-  " removing items out of range: silently skip items that don't exist
-  let l = [0, 1, 2, 3]
-  call assert_fails('unlet l[2:1]', 'E684')
-  let l = [0, 1, 2, 3]
-  unlet l[2:2]
-  call assert_equal([0, 1, 3], l)
-  let l = [0, 1, 2, 3]
-  unlet l[2:3]
-  call assert_equal([0, 1], l)
-  let l = [0, 1, 2, 3]
-  unlet l[2:4]
-  call assert_equal([0, 1], l)
-  let l = [0, 1, 2, 3]
-  unlet l[2:5]
-  call assert_equal([0, 1], l)
-  let l = [0, 1, 2, 3]
-  call assert_fails('unlet l[-1:2]', 'E684')
-  let l = [0, 1, 2, 3]
-  unlet l[-2:2]
-  call assert_equal([0, 1, 3], l)
-  let l = [0, 1, 2, 3]
-  unlet l[-3:2]
-  call assert_equal([0, 3], l)
-  let l = [0, 1, 2, 3]
-  unlet l[-4:2]
-  call assert_equal([3], l)
-  let l = [0, 1, 2, 3]
-  unlet l[-5:2]
-  call assert_equal([3], l)
-  let l = [0, 1, 2, 3]
-  unlet l[-6:2]
-  call assert_equal([3], l)
-endfunc
-
-" assignment to a list
-func Test_list_assign()
-  let l = [0, 1, 2, 3]
-  let [va, vb] = l[2:3]
-  call assert_equal([2, 3], [va, vb])
-  call assert_fails('let [va, vb] = l', 'E687')
-  call assert_fails('let [va, vb] = l[1:1]', 'E688')
-endfunc
-
-" test for range assign
-func Test_list_range_assign()
-  let l = [0]
-  let l[:] = [1, 2]
-  call assert_equal([1, 2], l)
-  let l[-4:-1] = [5, 6]
-  call assert_equal([5, 6], l)
-endfunc
-
-" Test removing items in list
-func Test_list_func_remove()
-  " Test removing 1 element
-  let l = [1, 2, 3, 4]
-  call assert_equal(1, remove(l, 0))
-  call assert_equal([2, 3, 4], l)
-
-  let l = [1, 2, 3, 4]
-  call assert_equal(2, remove(l, 1))
-  call assert_equal([1, 3, 4], l)
-
-  let l = [1, 2, 3, 4]
-  call assert_equal(4, remove(l, -1))
-  call assert_equal([1, 2, 3], l)
-
-  " Test removing range of element(s)
-  let l = [1, 2, 3, 4]
-  call assert_equal([3], remove(l, 2, 2))
-  call assert_equal([1, 2, 4], l)
-
-  let l = [1, 2, 3, 4]
-  call assert_equal([2, 3], remove(l, 1, 2))
-  call assert_equal([1, 4], l)
-
-  let l = [1, 2, 3, 4]
-  call assert_equal([2, 3], remove(l, -3, -2))
-  call assert_equal([1, 4], l)
-
-  " Test invalid cases
-  let l = [1, 2, 3, 4]
-  call assert_fails("call remove(l, 5)", 'E684:')
-  call assert_fails("call remove(l, 1, 5)", 'E684:')
-  call assert_fails("call remove(l, 3, 2)", 'E16:')
-  call assert_fails("call remove(1, 0)", 'E896:')
-  call assert_fails("call remove(l, l)", 'E745:')
-endfunc
-
-" List add() function
-func Test_list_add()
-  let l = []
-  call add(l, 1)
-  call add(l, [2, 3])
-  call add(l, [])
-  call add(l, v:_null_list)
-  call add(l, {'k' : 3})
-  call add(l, {})
-  call add(l, v:_null_dict)
-  call assert_equal([1, [2, 3], [], [], {'k' : 3}, {}, {}], l)
-  " call assert_equal(1, add(v:_null_list, 4))
-endfunc
-
-" Tests for Dictionary type
-
-func Test_dict()
-  " Creating Dictionary directly with different types
-  let d = {001: 'asd', 'b': [1, 2, function('strlen')], -1: {'a': 1},}
-  call assert_equal("{'1': 'asd', 'b': [1, 2, function('strlen')], '-1': {'a': 1}}", string(d))
-  call assert_equal('asd', d.1)
-  call assert_equal(['-1', '1', 'b'], sort(keys(d)))
-  call assert_equal(['asd', [1, 2, function('strlen')], {'a': 1}], values(d))
-  let v = []
-  for [key, val] in items(d)
-    call extend(v, [key, val])
-    unlet key val
-  endfor
-  call assert_equal(['1','asd','b',[1, 2, function('strlen')],'-1',{'a': 1}], v)
-
-  call extend(d, {3:33, 1:99})
-  call extend(d, {'b':'bbb', 'c':'ccc'}, "keep")
-  call assert_fails("call extend(d, {3:333,4:444}, 'error')", 'E737')
-  call assert_equal({'c': 'ccc', '1': 99, 'b': [1, 2, function('strlen')], '3': 33, '-1': {'a': 1}}, d)
-  call filter(d, 'v:key =~ ''[ac391]''')
-  call assert_equal({'c': 'ccc', '1': 99, '3': 33, '-1': {'a': 1}}, d)
-
-  " duplicate key
-  call assert_fails("let d = {'k' : 10, 'k' : 20}", 'E721:')
-  " missing comma
-  call assert_fails("let d = {'k' : 10 'k' : 20}", 'E722:')
-  " missing curly brace
-  call assert_fails("let d = {'k' : 10,", 'E723:')
-  " invalid key
-  call assert_fails('let d = #{++ : 10}', 'E15:')
-  " wrong type for key
-  call assert_fails('let d={[] : 10}', 'E730:')
-  " undefined variable as value
-  call assert_fails("let d={'k' : i}", 'E121:')
-
-  " allow key starting with number at the start, not a curly expression
-  call assert_equal({'1foo': 77}, #{1foo: 77})
-
-  " #{expr} is not a curly expression
-  let x = 'x'
-  call assert_equal(#{g: x}, #{g:x})
-endfunc
-
-" Dictionary identity
-func Test_dict_identity()
-  let d = {001: 'asd', 'b': [1, 2, function('strlen')], -1: {'a': 1},}
-  let dd = d
-  let dx = copy(d)
-  call assert_true(d == dd)
-  call assert_false(d isnot dd)
-  call assert_true(d is dd)
-  call assert_true(d == dx)
-  call assert_false(d is dx)
-  call assert_true(d isnot dx)
-endfunc
-
-" removing items with :unlet
-func Test_dict_unlet()
-  let d = {'b':'bbb', '1': 99, '3': 33, '-1': {'a': 1}}
-  unlet d.b
-  unlet d[-1]
-  call assert_equal({'1': 99, '3': 33}, d)
-endfunc
-
-" manipulating a big Dictionary (hashtable.c has a border of 1000 entries)
-func Test_dict_big()
-  let d = {}
-  for i in range(1500)
-    let d[i] = 3000 - i
-  endfor
-  call assert_equal([3000, 2900, 2001, 1600, 1501], [d[0], d[100], d[999], d[1400], d[1499]])
-  let str = ''
-  try
-    let n = d[1500]
-  catch
-    let str = substitute(v:exception, '\v(.{14}).*( "\d{4}").*', '\1\2', '')
-  endtry
-  call assert_equal('Vim(let):E716: "1500"', str)
-
-  " lookup each items
-  for i in range(1500)
-    call assert_equal(3000 - i, d[i])
-  endfor
-  let i += 1
-
-  " delete even items
-  while i >= 2
-    let i -= 2
-    unlet d[i]
-  endwhile
-  call assert_equal('NONE', get(d, 1500 - 100, 'NONE'))
-  call assert_equal(2999, d[1])
-
-  " delete odd items, checking value, one intentionally wrong
-  let d[33] = 999
-  let i = 1
-  while i < 1500
-   if i != 33
-     call assert_equal(3000 - i, d[i])
-   else
-     call assert_equal(999, d[i])
-   endif
-   unlet d[i]
-   let i += 2
-  endwhile
-  call assert_equal({}, d)
-  unlet d
-endfunc
-
-" Dictionary function
-func Test_dict_func()
-  let d = {}
-  func d.func(a) dict
-    return a:a . len(self.data)
-  endfunc
-  let d.data = [1,2,3]
-  call assert_equal('len: 3', d.func('len: '))
-  let x = d.func('again: ')
-  call assert_equal('again: 3', x)
-  let Fn = d.func
-  call assert_equal('xxx3', Fn('xxx'))
-endfunc
-
-func Test_dict_assign()
-  let d = {}
-  let d.1 = 1
-  let d._ = 2
-  call assert_equal({'1': 1, '_': 2}, d)
-
-  let n = 0
-  call assert_fails('let n.key = 3', 'E1203: Dot can only be used on a dictionary: n.key = 3')
-endfunc
-
-" Function in script-local List or Dict
-func Test_script_local_dict_func()
-  let g:dict = {}
-  function g:dict.func() dict
-    return 'g:dict.func' . self.foo[1] . self.foo[0]('asdf')
-  endfunc
-  let g:dict.foo = ['-', 2, 3]
-  call insert(g:dict.foo, function('strlen'))
-  call assert_equal('g:dict.func-4', g:dict.func())
-  unlet g:dict
-endfunc
-
-" Test removing items in a dictionary
-func Test_dict_func_remove()
-  let d = {1:'a', 2:'b', 3:'c'}
-  call assert_equal('b', remove(d, 2))
-  call assert_equal({1:'a', 3:'c'}, d)
-
-  call assert_fails("call remove(d, 1, 2)", 'E118:')
-  call assert_fails("call remove(d, 'a')", 'E716:')
-  call assert_fails("call remove(d, [])", 'E730:')
-endfunc
-
-" Nasty: remove func from Dict that's being called (works)
-func Test_dict_func_remove_in_use()
-  let d = {1:1}
-  func d.func(a)
-    return "a:" . a:a
-  endfunc
-  let expected = 'a:' . string(get(d, 'func'))
-  call assert_equal(expected, d.func(string(remove(d, 'func'))))
-endfunc
-
-func Test_dict_literal_keys()
-  call assert_equal({'one': 1, 'two2': 2, '3three': 3, '44': 4}, #{one: 1, two2: 2, 3three: 3, 44: 4},)
-
-  " why *{} cannot be used
-  let blue = 'blue'
-  call assert_equal('6', trim(execute('echo 2 *{blue: 3}.blue')))
-endfunc
-
-" Nasty: deepcopy() dict that refers to itself (fails when noref used)
-func Test_dict_deepcopy()
-  let d = {1:1, 2:2}
-  let l = [4, d, 6]
-  let d[3] = l
-  let dc = deepcopy(d)
-  call assert_fails('call deepcopy(d, 1)', 'E698:')
-  let l2 = [0, l, l, 3]
-  let l[1] = l2
-  let l3 = deepcopy(l2)
-  call assert_true(l3[1] is l3[2])
-  call assert_fails("call deepcopy([1, 2], 2)", 'E1023:')
-endfunc
-
-" Locked variables
-func Test_list_locked_var()
-  let expected = [
-	      \ [['1000-000', 'ppppppF'],
-	      \  ['0000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1000-000', 'ppppppF'],
-	      \  ['0000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1100-100', 'ppFppFF'],
-	      \  ['0000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1110-110', 'pFFpFFF'],
-	      \  ['0010-010', 'pFppFpp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1111-111', 'FFFFFFF'],
-	      \  ['0011-011', 'FFpFFpp'],
-	      \  ['0000-000', 'ppppppp']]
-	      \ ]
-  for depth in range(5)
-    for u in range(3)
-      unlet! l
-      let l = [0, [1, [2, 3]], {4: 5, 6: {7: 8}}]
-      exe "lockvar " . depth . " l"
-      if u == 1
-        exe "unlockvar l"
-      elseif u == 2
-        exe "unlockvar " . depth . " l"
-      endif
-      let ps = islocked("l").islocked("l[1]").islocked("l[1][1]").islocked("l[1][1][0]").'-'.islocked("l[2]").islocked("l[2]['6']").islocked("l[2]['6'][7]")
-      call assert_equal(expected[depth][u][0], ps, 'depth: ' .. depth)
-      let ps = ''
-      try
-        let l[1][1][0] = 99
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        let l[1][1] = [99]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        let l[1] = [99]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        let l[2]['6'][7] = 99
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        let l[2][6] = {99: 99}
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        let l[2] = {99: 99}
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        let l = [99]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      call assert_equal(expected[depth][u][1], ps, 'depth: ' .. depth)
-    endfor
-  endfor
-  call assert_fails("let x=islocked('a b')", 'E488:')
-  let mylist = [1, 2, 3]
-  call assert_fails("let x = islocked('mylist[1:2]')", 'E786:')
-  let mydict = {'k' : 'v'}
-  call assert_fails("let x = islocked('mydict.a')", 'E716:')
-endfunc
-
-" Unletting locked variables
-func Test_list_locked_var_unlet()
-  let expected = [
-	      \ [['1000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1000-000', 'ppFppFp'],
-	      \  ['0000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1100-100', 'pFFpFFp'],
-	      \  ['0000-000', 'ppppppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1110-110', 'FFFFFFp'],
-	      \  ['0010-010', 'FppFppp'],
-	      \  ['0000-000', 'ppppppp']],
-	      \ [['1111-111', 'FFFFFFp'],
-	      \  ['0011-011', 'FppFppp'],
-	      \  ['0000-000', 'ppppppp']]
-	      \ ]
-
-  for depth in range(5)
-    for u in range(3)
-      unlet! l
-      let l = [0, [1, [2, 3]], {4: 5, 6: {7: 8}}]
-      exe "lockvar " . depth . " l"
-      if u == 1
-        exe "unlockvar l"
-      elseif u == 2
-        exe "unlockvar " . depth . " l"
-      endif
-      let ps = islocked("l").islocked("l[1]").islocked("l[1][1]").islocked("l[1][1][0]").'-'.islocked("l[2]").islocked("l[2]['6']").islocked("l[2]['6'][7]")
-      call assert_equal(expected[depth][u][0], ps, 'depth: ' .. depth)
-      let ps = ''
-      try
-        unlet l[2]['6'][7]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        unlet l[2][6]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        unlet l[2]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        unlet l[1][1][0]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        unlet l[1][1]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        unlet l[1]
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      try
-        unlet l
-        let ps .= 'p'
-      catch
-        let ps .= 'F'
-      endtry
-      call assert_equal(expected[depth][u][1], ps)
-    endfor
-  endfor
-  " Deleting a list range should fail if the range is locked
-  let l = [1, 2, 3, 4]
-  lockvar l[1:2]
-  call assert_fails('unlet l[1:2]', 'E741:')
-  unlet l
-endfunc
-
-" Locked variables and :unlet or list / dict functions
-
-" No :unlet after lock on dict:
-func Test_dict_lock_unlet()
-  unlet! d
-  let d = {'a': 99, 'b': 100}
-  lockvar 1 d
-  call assert_fails('unlet d.a', 'E741')
-endfunc
-
-" unlet after lock on dict item
-func Test_dict_item_lock_unlet()
-  unlet! d
-  let d = {'a': 99, 'b': 100}
-  lockvar d.a
-  unlet d.a
-  call assert_equal({'b' : 100}, d)
-endfunc
-
-" filter() after lock on dict item
-func Test_dict_lock_filter()
-  unlet! d
-  let d = {'a': 99, 'b': 100}
-  lockvar d.a
-  call filter(d, 'v:key != "a"')
-  call assert_equal({'b' : 100}, d)
-endfunc
-
-" map() after lock on dict
-func Test_dict_lock_map()
-  unlet! d
-  let d = {'a': 99, 'b': 100}
-  lockvar 1 d
-  call map(d, 'v:val + 200')
-  call assert_equal({'a' : 299, 'b' : 300}, d)
-endfunc
-
-" No extend() after lock on dict item
-func Test_dict_lock_extend()
-  unlet! d
-  let d = {'a': 99, 'b': 100}
-  lockvar d.a
-  call assert_fails("call extend(d, {'a' : 123})", 'E741')
-  call assert_equal({'a': 99, 'b': 100}, d)
-endfunc
-
-" Cannot use += with a locked dict
-func Test_dict_lock_operator()
-  unlet! d
-  let d = {}
-  lockvar d
-  call assert_fails("let d += {'k' : 10}", 'E741:')
-  unlockvar d
-endfunc
-
-" No remove() of write-protected scope-level variable
-func Tfunc1(this_is_a_long_parameter_name)
-  call assert_fails("call remove(a:, 'this_is_a_long_parameter_name')", 'E742')
-endfunc
-func Test_dict_scope_var_remove()
-  call Tfunc1('testval')
-endfunc
-
-" No extend() of write-protected scope-level variable
-func Test_dict_scope_var_extend()
-  call assert_fails("call extend(a:, {'this_is_a_long_parameter_name': 1234})", 'E742')
-endfunc
-func Tfunc2(this_is_a_long_parameter_name)
-  call assert_fails("call extend(a:, {'this_is_a_long_parameter_name': 1234})", 'E742')
-endfunc
-func Test_dict_scope_var_extend_overwrite()
-  call Tfunc2('testval')
-endfunc
-
-" No :unlet of variable in locked scope
-func Test_lock_var_unlet()
-  let b:testvar = 123
-  lockvar 1 b:
-  call assert_fails('unlet b:testvar', 'E741:')
-  unlockvar 1 b:
-  unlet! b:testvar
-endfunc
-
-" No :let += of locked list variable
-func Test_let_lock_list()
-  let l = ['a', 'b', 3]
-  lockvar 1 l
-  call assert_fails("let l += ['x']", 'E741:')
-  call assert_equal(['a', 'b', 3], l)
-
-  unlet l
-  let l = [1, 2, 3, 4]
-  lockvar! l
-  call assert_equal([1, 2, 3, 4], l)
-  unlockvar l[1]
-  call assert_fails('unlet l[0:1]', 'E741:')
-  call assert_equal([1, 2, 3, 4], l)
-  call assert_fails('unlet l[1:2]', 'E741:')
-  call assert_equal([1, 2, 3, 4], l)
-  unlockvar l[1]
-  call assert_fails('let l[0:1] = [0, 1]', 'E741:')
-  call assert_equal([1, 2, 3, 4], l)
-  call assert_fails('let l[1:2] = [0, 1]', 'E741:')
-  call assert_equal([1, 2, 3, 4], l)
-  unlet l
-endfunc
-
-" Locking part of the list
-func Test_let_lock_list_items()
-  let l = [1, 2, 3, 4]
-  lockvar l[2:]
-  call assert_equal(0, islocked('l[0]'))
-  call assert_equal(1, islocked('l[2]'))
-  call assert_equal(1, islocked('l[3]'))
-  call assert_fails('let l[2] = 10', 'E741:')
-  call assert_fails('let l[3] = 20', 'E741:')
-  unlet l
-endfunc
-
-" lockvar/islocked() triggering script autoloading
-func Test_lockvar_script_autoload()
-  let old_rtp = &rtp
-  set rtp+=./sautest
-  lockvar g:footest#x
-  unlockvar g:footest#x
-  call assert_equal(-1, 'g:footest#x'->islocked())
-  call assert_equal(0, exists('g:footest#x'))
-  call assert_equal(1, g:footest#x)
-  let &rtp = old_rtp
-endfunc
-
-" a:000 function argument test
-func s:arg_list_test(...)
-  call assert_fails('let a:000 = [1, 2]', 'E46:')
-  call assert_fails('let a:000[0] = 9', 'E742:')
-  call assert_fails('let a:000[2] = [9, 10]', 'E742:')
-  call assert_fails('let a:000[3] = {9 : 10}', 'E742:')
-
-  " now the tests that should pass
-  let a:000[2][1] = 9
-  call extend(a:000[2], [5, 6])
-  let a:000[3][5] = 8
-  let a:000[3]['a'] = 12
-  call assert_equal([1, 2, [3, 9, 5, 6], {'a': 12, '5': 8}], a:000)
-endfunc
-
-func Test_func_arg_list()
-  call s:arg_list_test(1, 2, [3, 4], {5: 6})
-endfunc
-
-func Test_dict_item_locked()
-endfunc
-
-" Tests for reverse(), sort(), uniq()
-func Test_reverse_sort_uniq()
-  let l = ['-0', 'A11', 2, 2, 'xaaa', 4, 'foo', 'foo6', 'foo', [0, 1, 2], 'x8', [0, 1, 2], 1.5]
-  call assert_equal(['-0', 'A11', 2, 'xaaa', 4, 'foo', 'foo6', 'foo', [0, 1, 2], 'x8', [0, 1, 2], 1.5], uniq(copy(l)))
-  call assert_equal([1.5, [0, 1, 2], 'x8', [0, 1, 2], 'foo', 'foo6', 'foo', 4, 'xaaa', 2, 2, 'A11', '-0'], reverse(l))
-  call assert_equal([1.5, [0, 1, 2], 'x8', [0, 1, 2], 'foo', 'foo6', 'foo', 4, 'xaaa', 2, 2, 'A11', '-0'], reverse(reverse(l)))
-  if has('float')
-    call assert_equal(['-0', 'A11', 'foo', 'foo', 'foo6', 'x8', 'xaaa', 1.5, 2, 2, 4, [0, 1, 2], [0, 1, 2]], sort(l))
-    call assert_equal([[0, 1, 2], [0, 1, 2], 4, 2, 2, 1.5, 'xaaa', 'x8', 'foo6', 'foo', 'foo', 'A11', '-0'], reverse(sort(l)))
-    call assert_equal(['-0', 'A11', 'foo', 'foo', 'foo6', 'x8', 'xaaa', 1.5, 2, 2, 4, [0, 1, 2], [0, 1, 2]], sort(reverse(sort(l))))
-    call assert_equal(['-0', 'A11', 'foo', 'foo6', 'x8', 'xaaa', 1.5, 2, 4, [0, 1, 2]], uniq(sort(l)))
-
-    let l = [7, 9, 'one', 18, 12, 22, 'two', 10.0e-16, -1, 'three', 0xff, 0.22, 'four']
-    call assert_equal([-1, 'one', 'two', 'three', 'four', 1.0e-15, 0.22, 7, 9, 12, 18, 22, 255], sort(copy(l), 'n'))
-
-    let l = [7, 9, 18, 12, 22, 10.0e-16, -1, 0xff, 0, -0, 0.22, 'bar', 'BAR', 'Bar', 'Foo', 'FOO', 'foo', 'FOOBAR', {}, []]
-    call assert_equal(['bar', 'BAR', 'Bar', 'Foo', 'FOO', 'foo', 'FOOBAR', -1, 0, 0, 0.22, 1.0e-15, 12, 18, 22, 255, 7, 9, [], {}], sort(copy(l), 1))
-    call assert_equal(['bar', 'BAR', 'Bar', 'Foo', 'FOO', 'foo', 'FOOBAR', -1, 0, 0, 0.22, 1.0e-15, 12, 18, 22, 255, 7, 9, [], {}], sort(copy(l), 'i'))
-    call assert_equal(['BAR', 'Bar', 'FOO', 'FOOBAR', 'Foo', 'bar', 'foo', -1, 0, 0, 0.22, 1.0e-15, 12, 18, 22, 255, 7, 9, [], {}], sort(copy(l)))
-  endif
-
-  call assert_fails('call reverse("")', 'E899:')
-  call assert_fails('call uniq([1, 2], {x, y -> []})', 'E745:')
-  call assert_fails("call sort([1, 2], function('min'), 1)", "E715:")
-  call assert_fails("call sort([1, 2], function('invalid_func'))", "E700:")
-  call assert_fails("call sort([1, 2], function('min'))", "E118:")
-endfunc
-
-" reduce a list or a blob
-func Test_reduce()
-  call assert_equal(1, reduce([], { acc, val -> acc + val }, 1))
-  call assert_equal(10, reduce([1, 3, 5], { acc, val -> acc + val }, 1))
-  call assert_equal(2 * (2 * ((2 * 1) + 2) + 3) + 4, reduce([2, 3, 4], { acc, val -> 2 * acc + val }, 1))
-  call assert_equal('a x y z', ['x', 'y', 'z']->reduce({ acc, val -> acc .. ' ' .. val}, 'a'))
-  call assert_equal(#{ x: 1, y: 1, z: 1 }, ['x', 'y', 'z']->reduce({ acc, val -> extend(acc, { val: 1 }) }, {}))
-  call assert_equal([0, 1, 2, 3], reduce([1, 2, 3], function('add'), [0]))
-
-  let l = ['x', 'y', 'z']
-  call assert_equal(42, reduce(l, function('get'), #{ x: #{ y: #{ z: 42 } } }))
-  call assert_equal(['x', 'y', 'z'], l)
-
-  call assert_equal(1, reduce([1], { acc, val -> acc + val }))
-  call assert_equal('x y z', reduce(['x', 'y', 'z'], { acc, val -> acc .. ' ' .. val }))
-  call assert_equal(120, range(1, 5)->reduce({ acc, val -> acc * val }))
-  call assert_fails("call reduce([], { acc, val -> acc + val })", 'E998: Reduce of an empty List with no initial value')
-
-  call assert_equal(1, reduce(0z, { acc, val -> acc + val }, 1))
-  call assert_equal(1 + 0xaf + 0xbf + 0xcf, reduce(0zAFBFCF, { acc, val -> acc + val }, 1))
-  call assert_equal(2 * (2 * 1 + 0xaf) + 0xbf, 0zAFBF->reduce({ acc, val -> 2 * acc + val }, 1))
-
-  call assert_equal(0xff, reduce(0zff, { acc, val -> acc + val }))
-  call assert_equal(2 * (2 * 0xaf + 0xbf) + 0xcf, reduce(0zAFBFCF, { acc, val -> 2 * acc + val }))
-  call assert_fails("call reduce(0z, { acc, val -> acc + val })", 'E998: Reduce of an empty Blob with no initial value')
-
-  call assert_fails("call reduce({}, { acc, val -> acc + val }, 1)", 'E897:')
-  call assert_fails("call reduce(0, { acc, val -> acc + val }, 1)", 'E897:')
-  call assert_fails("call reduce('', { acc, val -> acc + val }, 1)", 'E897:')
-  call assert_fails("call reduce([1, 2], 'Xdoes_not_exist')", 'E117:')
-  call assert_fails("echo reduce(0z01, { acc, val -> 2 * acc + val }, '')", 'E39:')
-
-  let g:lut = [1, 2, 3, 4]
-  func EvilRemove()
-    call remove(g:lut, 1)
-    return 1
-  endfunc
-  call assert_fails("call reduce(g:lut, { acc, val -> EvilRemove() }, 1)", 'E742:')
-  unlet g:lut
-  delfunc EvilRemove
-
-  call assert_equal(42, reduce(v:_null_list, function('add'), 42))
-  call assert_equal(42, reduce(v:_null_blob, function('add'), 42))
-endfunc
-
-" splitting a string to a List using split()
-func Test_str_split()
-  call assert_equal(['aa', 'bb'], split('  aa  bb '))
-  call assert_equal(['aa', 'bb'], split('  aa  bb  ', '\W\+', 0))
-  call assert_equal(['', 'aa', 'bb', ''], split('  aa  bb  ', '\W\+', 1))
-  call assert_equal(['', '', 'aa', '', 'bb', '', ''], split('  aa  bb  ', '\W', 1))
-  call assert_equal(['aa', '', 'bb'], split(':aa::bb:', ':', 0))
-  call assert_equal(['', 'aa', '', 'bb', ''], split(':aa::bb:', ':', 1))
-  call assert_equal(['aa', '', 'bb', 'cc', ''], split('aa,,bb, cc,', ',\s*', 1))
-  call assert_equal(['a', 'b', 'c'], split('abc', '\zs'))
-  call assert_equal(['', 'a', '', 'b', '', 'c', ''], split('abc', '\zs', 1))
-  call assert_fails("call split('abc', [])", 'E730:')
-  call assert_fails("call split('abc', 'b', [])", 'E745:')
-  call assert_equal(['abc'], split('abc', '\\%('))
-endfunc
-
-" compare recursively linked list and dict
-func Test_listdict_compare()
-  let l = [1, 2, 3, 4]
-  let d = {'1': 1, '2': l, '3': 3}
-  let l[1] = d
-  call assert_true(l == l)
-  call assert_true(d == d)
-  call assert_false(l != deepcopy(l))
-  call assert_false(d != deepcopy(d))
-
-  " comparison errors
-  call assert_fails('echo [1, 2] =~ {}', 'E691:')
-  call assert_fails('echo [1, 2] =~ [1, 2]', 'E692:')
-  call assert_fails('echo {} =~ 5', 'E735:')
-  call assert_fails('echo {} =~ {}', 'E736:')
-endfunc
-
-  " compare complex recursively linked list and dict
-func Test_listdict_compare_complex()
-  let l = []
-  call add(l, l)
-  let dict4 = {"l": l}
-  call add(dict4.l, dict4)
-  let lcopy = deepcopy(l)
-  let dict4copy = deepcopy(dict4)
-  call assert_true(l == lcopy)
-  call assert_true(dict4 == dict4copy)
-endfunc
-
-func Test_listdict_extend()
-  " Test extend() with lists
-
-  " Pass the same List to extend()
-  let l = [1, 2, 3]
-  call assert_equal([1, 2, 3, 1, 2, 3], extend(l, l))
-  call assert_equal([1, 2, 3, 1, 2, 3], l)
-
-  let l = [1, 2, 3]
-  call assert_equal([1, 2, 3, 4, 5, 6], extend(l, [4, 5, 6]))
-  call assert_equal([1, 2, 3, 4, 5, 6], l)
-
-  let l = [1, 2, 3]
-  call extend(l, [4, 5, 6], 0)
-  call assert_equal([4, 5, 6, 1, 2, 3], l)
-
-  let l = [1, 2, 3]
-  call extend(l, [4, 5, 6], 1)
-  call assert_equal([1, 4, 5, 6, 2, 3], l)
-
-  let l = [1, 2, 3]
-  call extend(l, [4, 5, 6], 3)
-  call assert_equal([1, 2, 3, 4, 5, 6], l)
-
-  let l = [1, 2, 3]
-  call extend(l, [4, 5, 6], -1)
-  call assert_equal([1, 2, 4, 5, 6, 3], l)
-
-  let l = [1, 2, 3]
-  call extend(l, [4, 5, 6], -3)
-  call assert_equal([4, 5, 6, 1, 2,  3], l)
-
-  let l = [1, 2, 3]
-  call assert_fails("call extend(l, [4, 5, 6], 4)", 'E684:')
-  call assert_fails("call extend(l, [4, 5, 6], -4)", 'E684:')
-  if has('float')
-    call assert_fails("call extend(l, [4, 5, 6], 1.2)", 'E805:')
-  endif
-
-  " Test extend() with dictionaries.
-
-  " Pass the same Dict to extend()
-  let d = { 'a': {'b': 'B'}}
-  call extend(d, d)
-  call assert_equal({'a': {'b': 'B'}}, d)
-
-  let d = {'a': 'A', 'b': 'B'}
-  call assert_equal({'a': 'A', 'b': 0, 'c': 'C'}, extend(d, {'b': 0, 'c':'C'}))
-  call assert_equal({'a': 'A', 'b': 0, 'c': 'C'}, d)
-
-  let d = {'a': 'A', 'b': 'B'}
-  call extend(d, {'a': 'A', 'b': 0, 'c': 'C'}, "force")
-  call assert_equal({'a': 'A', 'b': 0, 'c': 'C'}, d)
-
-  let d = {'a': 'A', 'b': 'B'}
-  call extend(d, {'b': 0, 'c':'C'}, "keep")
-  call assert_equal({'a': 'A', 'b': 'B', 'c': 'C'}, d)
-
-  let d = {'a': 'A', 'b': 'B'}
-  call assert_fails("call extend(d, {'b': 0, 'c':'C'}, 'error')", 'E737:')
-  call assert_fails("call extend(d, {'b': 0, 'c':'C'}, 'xxx')", 'E475:')
-  if has('float')
-    call assert_fails("call extend(d, {'b': 0, 'c':'C'}, 1.2)", 'E806:')
-  endif
-  call assert_equal({'a': 'A', 'b': 'B'}, d)
-
-  call assert_fails("call extend([1, 2], 1)", 'E712:')
-  call assert_fails("call extend([1, 2], {})", 'E712:')
-
-  " Extend g: dictionary with an invalid variable name
-  call assert_fails("call extend(g:, {'-!' : 10})", 'E461:')
-
-  " Extend a list with itself.
-  let l = [1, 5, 7]
-  call extend(l, l, 0)
-  call assert_equal([1, 5, 7, 1, 5, 7], l)
-  let l = [1, 5, 7]
-  call extend(l, l, 1)
-  call assert_equal([1, 1, 5, 7, 5, 7], l)
-  let l = [1, 5, 7]
-  call extend(l, l, 2)
-  call assert_equal([1, 5, 1, 5, 7, 7], l)
-  let l = [1, 5, 7]
-  call extend(l, l, 3)
-  call assert_equal([1, 5, 7, 1, 5, 7], l)
-endfunc
-
-func s:check_scope_dict(x, fixed)
-  func s:gen_cmd(cmd, x)
-    return substitute(a:cmd, '\<x\ze:', a:x, 'g')
-  endfunc
-
-  let cmd = s:gen_cmd('let x:foo = 1', a:x)
-  if a:fixed
-    call assert_fails(cmd, 'E461')
-  else
-    exe cmd
-    exe s:gen_cmd('call assert_equal(1, x:foo)', a:x)
-  endif
-
-  let cmd = s:gen_cmd('let x:["bar"] = 2', a:x)
-  if a:fixed
-    call assert_fails(cmd, 'E461')
-  else
-    exe cmd
-    exe s:gen_cmd('call assert_equal(2, x:bar)', a:x)
-  endif
-
-  let cmd = s:gen_cmd('call extend(x:, {"baz": 3})', a:x)
-  if a:fixed
-    call assert_fails(cmd, 'E742')
-  else
-    exe cmd
-    exe s:gen_cmd('call assert_equal(3, x:baz)', a:x)
-  endif
-
-  if a:fixed
-    if a:x ==# 'a'
-      call assert_fails('unlet a:x', 'E795')
-      call assert_fails('call remove(a:, "x")', 'E742')
-    elseif a:x ==# 'v'
-      call assert_fails('unlet v:count', 'E795')
-      call assert_fails('call remove(v:, "count")', 'E742')
-    endif
-  else
-    exe s:gen_cmd('unlet x:foo', a:x)
-    exe s:gen_cmd('unlet x:bar', a:x)
-    exe s:gen_cmd('call remove(x:, "baz")', a:x)
-  endif
-
-  delfunc s:gen_cmd
-endfunc
-
-func Test_scope_dict()
-  " Test for g:
-  call s:check_scope_dict('g', v:false)
-
-  " Test for s:
-  call s:check_scope_dict('s', v:false)
-
-  " Test for l:
-  call s:check_scope_dict('l', v:false)
-
-  " Test for a:
-  call s:check_scope_dict('a', v:true)
-
-  " Test for b:
-  call s:check_scope_dict('b', v:false)
-
-  " Test for w:
-  call s:check_scope_dict('w', v:false)
-
-  " Test for t:
-  call s:check_scope_dict('t', v:false)
-
-  " Test for v:
-  call s:check_scope_dict('v', v:true)
-endfunc
-
-" Test for deep nesting of lists (> 100)
-func Test_deep_nested_list()
-  let deep_list = []
-  let l = deep_list
-  for i in range(102)
-    let newlist = []
-    call add(l, newlist)
-    let l = newlist
-  endfor
-  call add(l, 102)
-
-  call assert_fails('let m = deepcopy(deep_list)', 'E698:')
-  call assert_fails('lockvar 110 deep_list', 'E743:')
-  call assert_fails('unlockvar 110 deep_list', 'E743:')
-  " Nvim implements :echo very differently
-  " call assert_fails('let x = execute("echo deep_list")', 'E724:')
-  call test_garbagecollect_now()
-  unlet deep_list
-endfunc
-
-" Test for deep nesting of dicts (> 100)
-func Test_deep_nested_dict()
-  let deep_dict = {}
-  let d = deep_dict
-  for i in range(102)
-    let newdict = {}
-    let d.k = newdict
-    let d = newdict
-  endfor
-  let d.k = 'v'
-
-  call assert_fails('let m = deepcopy(deep_dict)', 'E698:')
-  call assert_fails('lockvar 110 deep_dict', 'E743:')
-  call assert_fails('unlockvar 110 deep_dict', 'E743:')
-  " Nvim implements :echo very differently
-  " call assert_fails('let x = execute("echo deep_dict")', 'E724:')
-  call test_garbagecollect_now()
-  unlet deep_dict
-endfunc
-
-" List and dict indexing tests
-func Test_listdict_index()
-  call assert_fails('echo function("min")[0]', 'E695:')
-  call assert_fails('echo v:true[0]', 'E909:')
-  let d = {'k' : 10}
-  call assert_fails('echo d.', 'E15:')
-  call assert_fails('echo d[1:2]', 'E719:')
-  call assert_fails("let v = [4, 6][{-> 1}]", 'E729:')
-  call assert_fails("let v = range(5)[2:[]]", 'E730:')
-  call assert_fails("let v = range(5)[2:{-> 2}(]", ['E15:', 'E116:'])
-  call assert_fails("let v = range(5)[2:3", 'E111:')
-  call assert_fails("let l = insert([1,2,3], 4, 10)", 'E684:')
-  call assert_fails("let l = insert([1,2,3], 4, -10)", 'E684:')
-  call assert_fails("let l = insert([1,2,3], 4, [])", 'E745:')
-  let l = [1, 2, 3]
-  call assert_fails("let l[i] = 3", 'E121:')
-  call assert_fails("let l[1.1] = 4", 'E806:')
-  call assert_fails("let l[:i] = [4, 5]", 'E121:')
-  call assert_fails("let l[:3.2] = [4, 5]", 'E806:')
-endfunc
-
-" Test for a null list
-func Test_null_list()
-  let l = v:_null_list
-  call assert_equal('', join(l))
-  call assert_equal(0, len(l))
-  call assert_equal(1, empty(l))
-  call assert_fails('let s = join([1, 2], [])', 'E730:')
-  call assert_equal([], split(v:_null_string))
-  call assert_equal([], l[:2])
-  call assert_true([] == l)
-  call assert_equal('[]', string(l))
-  " call assert_equal(0, sort(l))
-  " call assert_equal(0, sort(l))
-  " call assert_equal(0, uniq(l))
-  let k = [] + l
-  call assert_equal([], k)
-  let k = l + []
-  call assert_equal([], k)
-  call assert_equal(0, len(copy(l)))
-  call assert_equal(0, count(l, 5))
-  call assert_equal([], deepcopy(l))
-  call assert_equal(5, get(l, 2, 5))
-  call assert_equal(-1, index(l, 2, 5))
-  " call assert_equal(0, insert(l, 2, -1))
-  call assert_equal(0, min(l))
-  call assert_equal(0, max(l))
-  " call assert_equal(0, remove(l, 0, 2))
-  call assert_equal([], repeat(l, 2))
-  " call assert_equal(0, reverse(l))
-  " call assert_equal(0, sort(l))
-  call assert_equal('[]', string(l))
-  " call assert_equal(0, extend(l, l, 0))
-  lockvar l
-  call assert_equal(1, islocked('l'))
-  unlockvar l
-endfunc
-
-" Test for a null dict
-func Test_null_dict()
-  call assert_equal(v:_null_dict, v:_null_dict)
-  let d = v:_null_dict
-  call assert_equal({}, d)
-  call assert_equal(0, len(d))
-  call assert_equal(1, empty(d))
-  call assert_equal(0, items(d))
-  call assert_equal(0, keys(d))
-  call assert_equal(0, values(d))
-  call assert_false(has_key(d, 'k'))
-  call assert_equal('{}', string(d))
-  call assert_fails('let x = v:_null_dict[10]')
-  call assert_equal({}, {})
-endfunc
-
-" vim: shiftwidth=2 sts=2 expandtab