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	Test ":unlet self-referencing node in a List graph #6070" feeds many characters into typeahead, so a timeout of only 100 milliseconds sometimes fails. Change that timeout to 1000 milliseconds.
		
			
				
	
	
		
			112 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local helpers = require('test.functional.helpers')(after_each)
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local eq = helpers.eq
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local clear = helpers.clear
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local command = helpers.command
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local eval = helpers.eval
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local meths = helpers.meths
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local exec = helpers.exec
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local exec_capture = helpers.exec_capture
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local expect_exit = helpers.expect_exit
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local source = helpers.source
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local testprg = helpers.testprg
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before_each(clear)
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describe(':let', function()
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  it('correctly lists variables with curly-braces', function()
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    meths.set_var('v', {0})
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    eq('v                     [0]', exec_capture('let {"v"}'))
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  end)
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  it('correctly lists variables with subscript', function()
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    meths.set_var('v', {0})
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    eq('v[0]                  #0', exec_capture('let v[0]'))
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    eq('g:["v"][0]            #0', exec_capture('let g:["v"][0]'))
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    eq('{"g:"}["v"][0]        #0', exec_capture('let {"g:"}["v"][0]'))
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  end)
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  it(":unlet self-referencing node in a List graph #6070", function()
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    -- :unlet-ing a self-referencing List must not allow GC on indirectly
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    -- referenced in-scope Lists. Before #6070 this caused use-after-free.
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    expect_exit(1000, source, [=[
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      let [l1, l2] = [[], []]
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      echo 'l1:' . id(l1)
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      echo 'l2:' . id(l2)
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      echo ''
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      let [l3, l4] = [[], []]
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      call add(l4, l4)
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      call add(l4, l3)
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      call add(l3, 1)
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      call add(l2, l2)
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      call add(l2, l1)
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      call add(l1, 1)
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      unlet l2
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      unlet l4
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      call garbagecollect(1)
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      call feedkeys(":\e:echo l1 l3\n:echo 42\n:cq\n", "t")
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    ]=])
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  end)
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  it("multibyte env var #8398 #9267", function()
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    command("let $NVIM_TEST_LET = 'AìaB'")
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    eq('AìaB', eval('$NVIM_TEST_LET'))
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    command("let $NVIM_TEST_LET = 'AaあB'")
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    eq('AaあB', eval('$NVIM_TEST_LET'))
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    local mbyte = [[\p* .ม .ม .ม .ม่ .ม่ .ม่ ֹ ֹ ֹ .ֹ .ֹ .ֹ ֹֻ ֹֻ ֹֻ
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                    .ֹֻ .ֹֻ .ֹֻ ֹֻ ֹֻ ֹֻ .ֹֻ .ֹֻ .ֹֻ ֹ ֹ ֹ .ֹ .ֹ .ֹ ֹ ֹ ֹ .ֹ .ֹ .ֹ ֹֻ ֹֻ
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                    .ֹֻ .ֹֻ .ֹֻ a a a ca ca ca à à à]]
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    command("let $NVIM_TEST_LET = '"..mbyte.."'")
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    eq(mbyte, eval('$NVIM_TEST_LET'))
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  end)
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  it("multibyte env var to child process #8398 #9267",  function()
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    local cmd_get_child_env = ("let g:env_from_child = system(['%s', 'NVIM_TEST_LET'])"):format(testprg('printenv-test'))
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    command("let $NVIM_TEST_LET = 'AìaB'")
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    command(cmd_get_child_env)
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    eq(eval('$NVIM_TEST_LET'), eval('g:env_from_child'))
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    command("let $NVIM_TEST_LET = 'AaあB'")
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    command(cmd_get_child_env)
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    eq(eval('$NVIM_TEST_LET'), eval('g:env_from_child'))
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    local mbyte = [[\p* .ม .ม .ม .ม่ .ม่ .ม่ ֹ ֹ ֹ .ֹ .ֹ .ֹ ֹֻ ֹֻ ֹֻ
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                    .ֹֻ .ֹֻ .ֹֻ ֹֻ ֹֻ ֹֻ .ֹֻ .ֹֻ .ֹֻ ֹ ֹ ֹ .ֹ .ֹ .ֹ ֹ ֹ ֹ .ֹ .ֹ .ֹ ֹֻ ֹֻ
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                    .ֹֻ .ֹֻ .ֹֻ a a a ca ca ca à à à]]
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    command("let $NVIM_TEST_LET = '"..mbyte.."'")
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    command(cmd_get_child_env)
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    eq(eval('$NVIM_TEST_LET'), eval('g:env_from_child'))
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  end)
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  it("release of list assigned to l: variable does not trigger assertion #12387, #12430", function()
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    source([[
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      func! s:f()
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        let l:x = [1]
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        let g:x = l:
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      endfunc
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      for _ in range(2)
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        call s:f()
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      endfor
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      call garbagecollect()
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      call feedkeys('i', 't')
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    ]])
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    eq(1, eval('1'))
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  end)
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end)
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describe(':let and :const', function()
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  it('have the same output when called without arguments', function()
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    eq(exec_capture('let'), exec_capture('const'))
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  end)
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  it('can be used in sandbox', function()
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    exec([[
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      func Func()
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        let l:foo = 'foo'
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        const l:bar = 'bar'
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      endfunc
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      sandbox call Func()
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    ]])
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  end)
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end)
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