neovim/test/functional/vimscript/minmax_functions_spec.lua
2024-01-12 18:59:14 +00:00

61 lines
2.0 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local eval = helpers.eval
local command = helpers.command
local clear = helpers.clear
local fn = helpers.fn
local pcall_err = helpers.pcall_err
before_each(clear)
for _, func in ipairs({ 'min', 'max' }) do
describe(func .. '()', function()
it('gives a single error message when multiple values failed conversions', function()
eq(
'Vim(echo):E745: Using a List as a Number',
pcall_err(command, 'echo ' .. func .. '([-5, [], [], [], 5])')
)
eq(
'Vim(echo):E745: Using a List as a Number',
pcall_err(command, 'echo ' .. func .. '({1:-5, 2:[], 3:[], 4:[], 5:5})')
)
for errmsg, errinput in pairs({
['Vim(echo):E745: Using a List as a Number'] = '[]',
['Vim(echo):E805: Using a Float as a Number'] = '0.0',
['Vim(echo):E703: Using a Funcref as a Number'] = 'function("tr")',
['Vim(echo):E728: Using a Dictionary as a Number'] = '{}',
}) do
eq(errmsg, pcall_err(command, 'echo ' .. func .. '([' .. errinput .. '])'))
eq(errmsg, pcall_err(command, 'echo ' .. func .. '({1:' .. errinput .. '})'))
end
end)
it('works with arrays/dictionaries with zero items', function()
eq(0, fn[func]({}))
eq(0, eval(func .. '({})'))
end)
it('works with arrays/dictionaries with one item', function()
eq(5, fn[func]({ 5 }))
eq(5, fn[func]({ test = 5 }))
end)
it('works with NULL arrays/dictionaries', function()
eq(0, eval(func .. '(v:_null_list)'))
eq(0, eval(func .. '(v:_null_dict)'))
end)
it('errors out for invalid types', function()
for _, errinput in ipairs({
'1',
'v:true',
'v:false',
'v:null',
'function("tr")',
'""',
}) do
eq(
('Vim(echo):E712: Argument of %s() must be a List or Dictionary'):format(func),
pcall_err(command, 'echo ' .. func .. '(' .. errinput .. ')')
)
end
end)
end)
end