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path: root/test/functional/lua/mpack_spec.lua
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-- Test suite for testing interactions with API bindings
local t = require('test.testutil')
local n = require('test.functional.testnvim')()

local clear = n.clear
local eq = t.eq
local exec_lua = n.exec_lua

describe('lua vim.mpack', function()
  before_each(clear)
  it('encodes vim.NIL', function()
    eq(
      { true, true, true, true },
      exec_lua(function()
        local var = vim.mpack.decode(vim.mpack.encode({ 33, vim.NIL, 77 }))
        return { var[1] == 33, var[2] == vim.NIL, var[3] == 77, var[4] == nil }
      end)
    )
  end)

  it('encodes vim.empty_dict()', function()
    eq(
      { { {}, 'foo', {} }, true, false },
      exec_lua(function()
        local var = vim.mpack.decode(vim.mpack.encode({ {}, 'foo', vim.empty_dict() }))
        return { var, vim.islist(var[1]), vim.islist(var[3]) }
      end)
    )
  end)
end)