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72652cbc46
helpers.source() was a hack to work around the lack of anonymous :source. Its "create tempfile" behavior is not a required part of most tests that use it. Some tests still need the old "create tempfile" behavior either because they test SID behavior, or because of missing nvim_exec features: #16071
385 lines
14 KiB
Lua
385 lines
14 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local eq = helpers.eq
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local NIL = helpers.NIL
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local eval = helpers.eval
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local clear = helpers.clear
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local meths = helpers.meths
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local funcs = helpers.funcs
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local source = helpers.source
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local dedent = helpers.dedent
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local command = helpers.command
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local exc_exec = helpers.exc_exec
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local exec_capture = helpers.exec_capture
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local matches = helpers.matches
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describe(':echo :echon :echomsg :echoerr', function()
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local fn_tbl = {'String', 'StringN', 'StringMsg', 'StringErr'}
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local function assert_same_echo_dump(expected, input, use_eval)
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for _,v in pairs(fn_tbl) do
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eq(expected, use_eval and eval(v..'('..input..')') or funcs[v](input))
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end
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end
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local function assert_matches_echo_dump(expected, input, use_eval)
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for _,v in pairs(fn_tbl) do
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matches(expected, use_eval and eval(v..'('..input..')') or funcs[v](input))
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end
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end
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before_each(function()
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clear()
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source([[
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function String(s)
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return execute('echo a:s')[1:]
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endfunction
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function StringMsg(s)
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return execute('echomsg a:s')[1:]
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endfunction
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function StringN(s)
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return execute('echon a:s')
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endfunction
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function StringErr(s)
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try
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execute 'echoerr a:s'
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catch
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return substitute(v:exception, '^Vim(echoerr):', '', '')
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endtry
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endfunction
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]])
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end)
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describe('used to represent floating-point values', function()
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it('dumps NaN values', function()
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assert_same_echo_dump("str2float('nan')", "str2float('nan')", true)
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end)
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it('dumps infinite values', function()
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assert_same_echo_dump("str2float('inf')", "str2float('inf')", true)
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assert_same_echo_dump("-str2float('inf')", "str2float('-inf')", true)
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end)
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it('dumps regular values', function()
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assert_same_echo_dump('1.5', 1.5)
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assert_same_echo_dump('1.56e-20', 1.56000e-020)
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assert_same_echo_dump('0.0', '0.0', true)
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end)
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it('dumps special v: values', function()
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eq('v:true', eval('String(v:true)'))
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eq('v:false', eval('String(v:false)'))
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eq('v:null', eval('String(v:null)'))
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eq('v:true', funcs.String(true))
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eq('v:false', funcs.String(false))
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eq('v:null', funcs.String(NIL))
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eq('v:true', eval('StringMsg(v:true)'))
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eq('v:false', eval('StringMsg(v:false)'))
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eq('v:null', eval('StringMsg(v:null)'))
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eq('v:true', funcs.StringMsg(true))
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eq('v:false', funcs.StringMsg(false))
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eq('v:null', funcs.StringMsg(NIL))
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eq('v:true', eval('StringErr(v:true)'))
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eq('v:false', eval('StringErr(v:false)'))
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eq('v:null', eval('StringErr(v:null)'))
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eq('v:true', funcs.StringErr(true))
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eq('v:false', funcs.StringErr(false))
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eq('v:null', funcs.StringErr(NIL))
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end)
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it('dumps values with at most six digits after the decimal point',
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function()
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assert_same_echo_dump('1.234568e-20', 1.23456789123456789123456789e-020)
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assert_same_echo_dump('1.234568', 1.23456789123456789123456789)
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end)
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it('dumps values with at most seven digits before the decimal point',
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function()
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assert_same_echo_dump('1234567.891235', 1234567.89123456789123456789)
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assert_same_echo_dump('1.234568e7', 12345678.9123456789123456789)
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end)
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it('dumps negative values', function()
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assert_same_echo_dump('-1.5', -1.5)
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assert_same_echo_dump('-1.56e-20', -1.56000e-020)
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assert_same_echo_dump('-1.234568e-20', -1.23456789123456789123456789e-020)
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assert_same_echo_dump('-1.234568', -1.23456789123456789123456789)
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assert_same_echo_dump('-1234567.891235', -1234567.89123456789123456789)
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assert_same_echo_dump('-1.234568e7', -12345678.9123456789123456789)
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end)
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end)
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describe('used to represent numbers', function()
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it('dumps regular values', function()
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assert_same_echo_dump('0', 0)
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assert_same_echo_dump('-1', -1)
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assert_same_echo_dump('1', 1)
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end)
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it('dumps large values', function()
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assert_same_echo_dump('2147483647', 2^31-1)
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assert_same_echo_dump('-2147483648', -2^31)
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end)
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end)
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describe('used to represent strings', function()
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it('dumps regular strings', function()
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assert_same_echo_dump('test', 'test')
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end)
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it('dumps empty strings', function()
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assert_same_echo_dump('', '')
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end)
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it("dumps strings with ' inside", function()
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assert_same_echo_dump("'''", "'''")
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assert_same_echo_dump("a'b''", "a'b''")
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assert_same_echo_dump("'b''d", "'b''d")
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assert_same_echo_dump("a'b'c'd", "a'b'c'd")
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end)
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it('dumps NULL strings', function()
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assert_same_echo_dump('', '$XXX_UNEXISTENT_VAR_XXX', true)
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end)
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it('dumps NULL lists', function()
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assert_same_echo_dump('[]', 'v:_null_list', true)
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end)
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it('dumps NULL dictionaries', function()
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assert_same_echo_dump('{}', 'v:_null_dict', true)
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end)
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end)
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describe('used to represent funcrefs', function()
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before_each(function()
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source([[
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function Test1()
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endfunction
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function s:Test2() dict
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endfunction
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function g:Test3() dict
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endfunction
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let g:Test2_f = function('s:Test2')
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]])
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end)
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it('dumps references to built-in functions', function()
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eq('function', eval('String(function("function"))'))
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eq("function('function')", eval('StringMsg(function("function"))'))
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eq("function('function')", eval('StringErr(function("function"))'))
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end)
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it('dumps references to user functions', function()
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eq('Test1', eval('String(function("Test1"))'))
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eq('g:Test3', eval('String(function("g:Test3"))'))
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eq("function('Test1')", eval("StringMsg(function('Test1'))"))
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eq("function('g:Test3')", eval("StringMsg(function('g:Test3'))"))
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eq("function('Test1')", eval("StringErr(function('Test1'))"))
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eq("function('g:Test3')", eval("StringErr(function('g:Test3'))"))
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end)
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it('dumps references to script functions', function()
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eq('<SNR>1_Test2', eval('String(Test2_f)'))
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eq("function('<SNR>1_Test2')", eval('StringMsg(Test2_f)'))
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eq("function('<SNR>1_Test2')", eval('StringErr(Test2_f)'))
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end)
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it('dump references to lambdas', function()
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assert_matches_echo_dump("function%('<lambda>%d+'%)", '{-> 1234}', true)
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end)
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it('dumps partials with self referencing a partial', function()
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source([[
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function TestDict() dict
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endfunction
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let d = {}
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let TestDictRef = function('TestDict', d)
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let d.tdr = TestDictRef
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]])
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eq(dedent([[
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function('TestDict', {'tdr': function('TestDict', {...@1})})]]),
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exec_capture('echo String(d.tdr)'))
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end)
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it('dumps automatically created partials', function()
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assert_same_echo_dump(
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"function('<SNR>1_Test2', {'f': function('<SNR>1_Test2')})",
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'{"f": Test2_f}.f',
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true)
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assert_same_echo_dump(
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"function('<SNR>1_Test2', [1], {'f': function('<SNR>1_Test2', [1])})",
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'{"f": function(Test2_f, [1])}.f',
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true)
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end)
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it('dumps manually created partials', function()
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assert_same_echo_dump("function('Test3', [1, 2], {})",
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"function('Test3', [1, 2], {})", true)
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assert_same_echo_dump("function('Test3', [1, 2])",
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"function('Test3', [1, 2])", true)
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assert_same_echo_dump("function('Test3', {})",
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"function('Test3', {})", true)
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end)
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it('does not crash or halt when dumping partials with reference cycles in self',
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function()
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meths.set_var('d', {v=true})
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eq(dedent([[
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{'p': function('<SNR>1_Test2', {...@0}), 'f': function('<SNR>1_Test2'), 'v': v:true}]]),
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exec_capture('echo String(extend(extend(g:d, {"f": g:Test2_f}), {"p": g:d.f}))'))
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end)
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it('does not show errors when dumping partials referencing the same dictionary',
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function()
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command('let d = {}')
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-- Regression for “eval/typval_encode: Dump empty dictionary before
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-- checking for refcycle”, results in error.
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eq('[function(\'tr\', {}), function(\'tr\', {})]', eval('String([function("tr", d), function("tr", d)])'))
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-- Regression for “eval: Work with reference cycles in partials (self)
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-- properly”, results in crash.
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eval('extend(d, {"a": 1})')
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eq('[function(\'tr\', {\'a\': 1}), function(\'tr\', {\'a\': 1})]', eval('String([function("tr", d), function("tr", d)])'))
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end)
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it('does not crash or halt when dumping partials with reference cycles in arguments',
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function()
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meths.set_var('l', {})
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eval('add(l, l)')
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-- Regression: the below line used to crash (add returns original list and
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-- there was error in dumping partials). Tested explicitly in
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-- test/unit/api/private_helpers_spec.lua.
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eval('add(l, function("Test1", l))')
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eq(dedent([=[
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function('Test1', [[[...@2], function('Test1', [[...@2]])], function('Test1', [[[...@4], function('Test1', [[...@4]])]])])]=]),
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exec_capture('echo String(function("Test1", l))'))
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end)
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it('does not crash or halt when dumping partials with reference cycles in self and arguments',
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function()
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meths.set_var('d', {v=true})
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meths.set_var('l', {})
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eval('add(l, l)')
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eval('add(l, function("Test1", l))')
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eval('add(l, function("Test1", d))')
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eq(dedent([=[
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{'p': function('<SNR>1_Test2', [[[...@3], function('Test1', [[...@3]]), function('Test1', {...@0})], function('Test1', [[[...@5], function('Test1', [[...@5]]), function('Test1', {...@0})]]), function('Test1', {...@0})], {...@0}), 'f': function('<SNR>1_Test2'), 'v': v:true}]=]),
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exec_capture('echo String(extend(extend(g:d, {"f": g:Test2_f}), {"p": function(g:d.f, l)}))'))
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end)
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end)
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describe('used to represent lists', function()
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it('dumps empty list', function()
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assert_same_echo_dump('[]', {})
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end)
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it('dumps non-empty list', function()
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assert_same_echo_dump('[1, 2]', {1,2})
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end)
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it('dumps nested lists', function()
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assert_same_echo_dump('[[[[[]]]]]', {{{{{}}}}})
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end)
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it('dumps nested non-empty lists', function()
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assert_same_echo_dump('[1, [[3, [[5], 4]], 2]]', {1, {{3, {{5}, 4}}, 2}})
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end)
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it('does not error when dumping recursive lists', function()
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meths.set_var('l', {})
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eval('add(l, l)')
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eq(0, exc_exec('echo String(l)'))
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end)
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it('dumps recursive lists without error', function()
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meths.set_var('l', {})
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eval('add(l, l)')
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eq('[[...@0]]', exec_capture('echo String(l)'))
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eq('[[[...@1]]]', exec_capture('echo String([l])'))
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end)
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end)
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describe('used to represent dictionaries', function()
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it('dumps empty dictionary', function()
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assert_same_echo_dump('{}', '{}', true)
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end)
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it('dumps list with two same empty dictionaries, also in partials', function()
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command('let d = {}')
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assert_same_echo_dump('[{}, {}]', '[d, d]', true)
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eq('[function(\'tr\', {}), {}]', eval('String([function("tr", d), d])'))
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eq('[{}, function(\'tr\', {})]', eval('String([d, function("tr", d)])'))
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end)
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it('dumps non-empty dictionary', function()
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assert_same_echo_dump("{'t''est': 1}", {["t'est"]=1})
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end)
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it('does not error when dumping recursive dictionaries', function()
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meths.set_var('d', {d=1})
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eval('extend(d, {"d": d})')
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eq(0, exc_exec('echo String(d)'))
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end)
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it('dumps recursive dictionaries without the error', function()
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meths.set_var('d', {d=1})
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eval('extend(d, {"d": d})')
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eq('{\'d\': {...@0}}',
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exec_capture('echo String(d)'))
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eq('{\'out\': {\'d\': {...@1}}}',
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exec_capture('echo String({"out": d})'))
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end)
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end)
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describe('used to represent special values', function()
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local function chr(n)
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return ('%c'):format(n)
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end
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local function ctrl(c)
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return ('%c'):format(c:upper():byte() - 0x40)
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end
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it('displays hex as hex', function()
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-- Regression: due to missing (uint8_t) cast \x80 was represented as
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-- ~@<80>.
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eq('<80>', funcs.String(chr(0x80)))
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eq('<81>', funcs.String(chr(0x81)))
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eq('<8e>', funcs.String(chr(0x8e)))
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eq('<c2>', funcs.String(('«'):sub(1, 1)))
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eq('«', funcs.String(('«'):sub(1, 2)))
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eq('<80>', funcs.StringMsg(chr(0x80)))
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eq('<81>', funcs.StringMsg(chr(0x81)))
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eq('<8e>', funcs.StringMsg(chr(0x8e)))
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eq('<c2>', funcs.StringMsg(('«'):sub(1, 1)))
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eq('«', funcs.StringMsg(('«'):sub(1, 2)))
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end)
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it('displays ASCII control characters using ^X notation', function()
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eq('^C', funcs.String(ctrl('c')))
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eq('^A', funcs.String(ctrl('a')))
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eq('^F', funcs.String(ctrl('f')))
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eq('^C', funcs.StringMsg(ctrl('c')))
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eq('^A', funcs.StringMsg(ctrl('a')))
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eq('^F', funcs.StringMsg(ctrl('f')))
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end)
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it('prints CR, NL and tab as-is', function()
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eq('\n', funcs.String('\n'))
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eq('\r', funcs.String('\r'))
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eq('\t', funcs.String('\t'))
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end)
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it('prints non-printable UTF-8 in <> notation', function()
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-- SINGLE SHIFT TWO, unicode control
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eq('<8e>', funcs.String(funcs.nr2char(0x8E)))
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eq('<8e>', funcs.StringMsg(funcs.nr2char(0x8E)))
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-- Surrogate pair: U+1F0A0 PLAYING CARD BACK is represented in UTF-16 as
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-- 0xD83C 0xDCA0. This is not valid in UTF-8.
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eq('<d83c>', funcs.String(funcs.nr2char(0xD83C)))
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eq('<dca0>', funcs.String(funcs.nr2char(0xDCA0)))
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eq('<d83c><dca0>', funcs.String(funcs.nr2char(0xD83C) .. funcs.nr2char(0xDCA0)))
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eq('<d83c>', funcs.StringMsg(funcs.nr2char(0xD83C)))
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eq('<dca0>', funcs.StringMsg(funcs.nr2char(0xDCA0)))
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eq('<d83c><dca0>', funcs.StringMsg(funcs.nr2char(0xD83C) .. funcs.nr2char(0xDCA0)))
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end)
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end)
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end)
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