mirror of
https://github.com/neovim/neovim.git
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af23d17388
The new oldtest directory is in test/old/testdir. The reason for this is that many tests have hardcoded the parent directory name to be 'testdir'.
295 lines
8.3 KiB
VimL
295 lines
8.3 KiB
VimL
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" Test for :const
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func s:noop()
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endfunc
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func Test_define_var_with_lock()
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const i = 1
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const f = 1.1
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const s = 'vim'
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const F = funcref('s:noop')
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const l = [1, 2, 3]
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const d = {'foo': 10}
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if has('channel')
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const j = test_null_job()
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const c = test_null_channel()
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endif
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const b = v:true
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const n = v:null
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call assert_true(exists('i'))
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call assert_true(exists('f'))
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call assert_true(exists('s'))
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call assert_true(exists('F'))
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call assert_true(exists('l'))
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call assert_true(exists('d'))
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if has('channel')
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call assert_true(exists('j'))
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call assert_true(exists('c'))
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endif
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call assert_true(exists('b'))
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call assert_true(exists('n'))
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call assert_fails('let i = 1', 'E741:')
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call assert_fails('let f = 1.1', 'E741:')
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call assert_fails('let s = "vim"', 'E741:')
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call assert_fails('let F = funcref("s:noop")', 'E741:')
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call assert_fails('let l = [1, 2, 3]', 'E741:')
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call assert_fails('call filter(l, "v:val % 2 == 0")', 'E741:')
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call assert_fails('let d = {"foo": 10}', 'E741:')
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if has('channel')
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call assert_fails('let j = test_null_job()', 'E741:')
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call assert_fails('let c = test_null_channel()', 'E741:')
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endif
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call assert_fails('let b = v:true', 'E741:')
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call assert_fails('let n = v:null', 'E741:')
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" Unlet
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unlet i
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unlet f
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unlet s
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unlet F
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unlet l
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unlet d
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if has('channel')
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unlet j
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unlet c
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endif
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unlet b
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unlet n
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endfunc
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func Test_define_l_var_with_lock()
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" With l: prefix
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const l:i = 1
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const l:f = 1.1
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const l:s = 'vim'
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const l:F = funcref('s:noop')
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const l:l = [1, 2, 3]
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const l:d = {'foo': 10}
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if has('channel')
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const l:j = test_null_job()
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const l:c = test_null_channel()
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endif
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const l:b = v:true
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const l:n = v:null
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call assert_fails('let l:i = 1', 'E741:')
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call assert_fails('let l:f = 1.1', 'E741:')
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call assert_fails('let l:s = "vim"', 'E741:')
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call assert_fails('let l:F = funcref("s:noop")', 'E741:')
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call assert_fails('let l:l = [1, 2, 3]', 'E741:')
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call assert_fails('let l:d = {"foo": 10}', 'E741:')
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if has('channel')
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call assert_fails('let l:j = test_null_job()', 'E741:')
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call assert_fails('let l:c = test_null_channel()', 'E741:')
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endif
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call assert_fails('let l:b = v:true', 'E741:')
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call assert_fails('let l:n = v:null', 'E741:')
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" Unlet
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unlet l:i
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unlet l:f
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unlet l:s
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unlet l:F
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unlet l:l
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unlet l:d
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if has('channel')
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unlet l:j
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unlet l:c
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endif
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unlet l:b
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unlet l:n
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endfunc
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func Test_define_script_var_with_lock()
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const s:x = 0
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call assert_fails('let s:x = 1', 'E741:')
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unlet s:x
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endfunc
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func Test_destructuring_with_lock()
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const [a, b, c] = [1, 1.1, 'vim']
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call assert_fails('let a = 1', 'E741:')
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call assert_fails('let b = 1.1', 'E741:')
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call assert_fails('let c = "vim"', 'E741:')
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const [d; e] = [1, 1.1, 'vim']
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call assert_fails('let d = 1', 'E741:')
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call assert_fails('let e = [2.2, "a"]', 'E741:')
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endfunc
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func Test_cannot_modify_existing_variable()
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let i = 1
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let f = 1.1
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let s = 'vim'
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let F = funcref('s:noop')
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let l = [1, 2, 3]
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let d = {'foo': 10}
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if has('channel')
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let j = test_null_job()
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let c = test_null_channel()
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endif
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let b = v:true
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let n = v:null
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call assert_fails('const i = 1', 'E995:')
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call assert_fails('const f = 1.1', 'E995:')
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call assert_fails('const s = "vim"', 'E995:')
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call assert_fails('const F = funcref("s:noop")', 'E995:')
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call assert_fails('const l = [1, 2, 3]', 'E995:')
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call assert_fails('const d = {"foo": 10}', 'E995:')
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if has('channel')
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call assert_fails('const j = test_null_job()', 'E995:')
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call assert_fails('const c = test_null_channel()', 'E995:')
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endif
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call assert_fails('const b = v:true', 'E995:')
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call assert_fails('const n = v:null', 'E995:')
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call assert_fails('const [i, f, s] = [1, 1.1, "vim"]', 'E995:')
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const i2 = 1
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const f2 = 1.1
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const s2 = 'vim'
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const F2 = funcref('s:noop')
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const l2 = [1, 2, 3]
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const d2 = {'foo': 10}
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if has('channel')
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const j2 = test_null_job()
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const c2 = test_null_channel()
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endif
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const b2 = v:true
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const n2 = v:null
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call assert_fails('const i2 = 1', 'E995:')
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call assert_fails('const f2 = 1.1', 'E995:')
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call assert_fails('const s2 = "vim"', 'E995:')
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call assert_fails('const F2 = funcref("s:noop")', 'E995:')
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call assert_fails('const l2 = [1, 2, 3]', 'E995:')
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call assert_fails('const d2 = {"foo": 10}', 'E995:')
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if has('channel')
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call assert_fails('const j2 = test_null_job()', 'E995:')
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call assert_fails('const c2 = test_null_channel()', 'E995:')
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endif
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call assert_fails('const b2 = v:true', 'E995:')
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call assert_fails('const n2 = v:null', 'E995:')
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call assert_fails('const [i2, f2, s2] = [1, 1.1, "vim"]', 'E995:')
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endfunc
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func Test_const_with_condition()
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const x = 0
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if 0 | const x = 1 | endif
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call assert_equal(0, x)
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endfunc
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func Test_lockvar()
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let x = 'hello'
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lockvar x
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call assert_fails('let x = "there"', 'E741')
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if 0 | unlockvar x | endif
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call assert_fails('let x = "there"', 'E741')
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unlockvar x
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let x = 'there'
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if 0 | lockvar x | endif
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let x = 'again'
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let val = [1, 2, 3]
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lockvar 0 val
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let val[0] = 9
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call assert_equal([9, 2, 3], val)
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call add(val, 4)
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call assert_equal([9, 2, 3, 4], val)
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call assert_fails('let val = [4, 5, 6]', 'E1122:')
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endfunc
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func Test_const_with_index_access()
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let l = [1, 2, 3]
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call assert_fails('const l[0] = 4', 'E996:')
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call assert_fails('const l[0:1] = [1, 2]', 'E996:')
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let d = {'aaa': 0}
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call assert_fails("const d['aaa'] = 4", 'E996:')
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call assert_fails("const d.aaa = 4", 'E996:')
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endfunc
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func Test_const_with_compound_assign()
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let i = 0
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call assert_fails('const i += 4', 'E995:')
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call assert_fails('const i -= 4', 'E995:')
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call assert_fails('const i *= 4', 'E995:')
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call assert_fails('const i /= 4', 'E995:')
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call assert_fails('const i %= 4', 'E995:')
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let s = 'a'
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call assert_fails('const s .= "b"', 'E995:')
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let [a, b, c] = [1, 2, 3]
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call assert_fails('const [a, b, c] += [4, 5, 6]', 'E995:')
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let [d; e] = [1, 2, 3]
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call assert_fails('const [d; e] += [4, 5, 6]', 'E995:')
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endfunc
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func Test_const_with_special_variables()
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call assert_fails('const $FOO = "hello"', 'E996:')
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call assert_fails('const @a = "hello"', 'E996:')
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call assert_fails('const &filetype = "vim"', 'E996:')
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call assert_fails('const &l:filetype = "vim"', 'E996:')
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call assert_fails('const &g:encoding = "utf-8"', 'E996:')
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call assert_fails('const [a, $CONST_FOO] = [369, "abc"]', 'E996:')
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call assert_equal(369, a)
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call assert_equal(v:null, getenv("CONST_FOO"))
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call assert_fails('const [b; $CONST_FOO] = [246, 2, "abc"]', 'E996:')
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call assert_equal(246, b)
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call assert_equal(v:null, getenv("CONST_FOO"))
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endfunc
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func Test_const_with_eval_name()
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let s = 'foo'
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" eval name with :const should work
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const abc_{s} = 1
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const {s}{s} = 1
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let s2 = 'abc_foo'
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call assert_fails('const {s2} = "bar"', 'E995:')
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endfunc
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func Test_lock_depth_is_2()
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" Modify list - error when changing item or adding/removing items
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const l = [1, 2, [3, 4]]
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call assert_fails('let l[0] = 42', 'E741:')
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call assert_fails('let l[2][0] = 42', 'E741:')
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call assert_fails('call add(l, 4)', 'E741:')
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call assert_fails('unlet l[1]', 'E741:')
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" Modify blob - error when changing
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const b = 0z001122
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call assert_fails('let b[0] = 42', 'E741:')
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" Modify dict - error when changing item or adding/removing items
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const d = {'foo': 10}
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call assert_fails("let d['foo'] = 'hello'", 'E741:')
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call assert_fails("let d.foo = 'hello'", 'E741:')
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call assert_fails("let d['bar'] = 'hello'", 'E741:')
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call assert_fails("unlet d['foo']", 'E741:')
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" Modifying list or dict item contents is OK.
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let lvar = ['a', 'b']
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let bvar = 0z1122
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const l2 = [0, lvar, bvar]
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let l2[1][0] = 'c'
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let l2[2][1] = 0x33
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call assert_equal([0, ['c', 'b'], 0z1133], l2)
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const d2 = #{a: 0, b: lvar, c: 4}
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let d2.b[1] = 'd'
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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