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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local clear = n.clear
local eq = t.eq
describe('vim.text', function()
before_each(clear)
describe('hexencode() and hexdecode()', function()
it('works', function()
local cases = {
{ 'Hello world!', '48656C6C6F20776F726C6421' },
{ '😂', 'F09F9882' },
}
for _, v in ipairs(cases) do
local input, output = unpack(v)
eq(output, vim.text.hexencode(input))
eq(input, vim.text.hexdecode(output))
end
end)
it('works with very large strings', function()
local input, output = string.rep('😂', 2 ^ 16), string.rep('F09F9882', 2 ^ 16)
eq(output, vim.text.hexencode(input))
eq(input, vim.text.hexdecode(output))
end)
it('errors on invalid input', function()
-- Odd number of hex characters
do
local res, err = vim.text.hexdecode('ABC')
eq(nil, res)
eq('string must have an even number of hex characters', err)
end
-- Non-hexadecimal input
do
local res, err = vim.text.hexdecode('nothex')
eq(nil, res)
eq('string must contain only hex characters', err)
end
end)
end)
end)
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