test-utils.lua

local utils = require('utils')
require('helper')

local Object = require('core').Object
local BindHelper = Object:extend()

function BindHelper:func1(arg1, callback, ...)
  assert(self ~= nil)
  callback(arg1)
end

function BindHelper:func2(arg1, arg2, callback)
  assert(self ~= nil)
  callback(arg1, arg2)
end

function BindHelper:func3(arg1, arg2, arg3, callback)
  assert(self ~= nil)
  callback(arg1, arg2, arg3)
end

local testObj = BindHelper:new()
local bound

bound = utils.bind(BindHelper.func1, testObj)
bound('hello world', function(arg1)
  assert(arg1 == 'hello world')
end)
bound('hello world1', function(arg1)
  assert(arg1 == 'hello world1')
end)

bound = utils.bind(BindHelper.func1, testObj, 'hello world')
bound(function(arg1)
  assert(arg1 == 'hello world')
end)
bound(function(arg1)
  assert(arg1 == 'hello world')
end)
bound(function(arg1)
  assert(arg1 == 'hello world')
end)

bound = utils.bind(BindHelper.func2, testObj)
bound('hello', 'world', function(arg1, arg2)
  assert(arg1 == 'hello')
  assert(arg2 == 'world')
end)
bound('hello', 'world', function(arg1, arg2)
  assert(arg1 == 'hello')
  assert(arg2 == 'world')
end)

bound = utils.bind(BindHelper.func2, testObj, 'hello')
bound('world', function(arg1, arg2)
  assert(arg1 == 'hello')
  assert(arg2 == 'world')
end)

bound = utils.bind(BindHelper.func3, testObj)
bound('hello', 'world', '!', function(arg1, arg2, arg3)
  assert(arg1 == 'hello')
  assert(arg2 == 'world')
  assert(arg3 == '!')
end)

bound = utils.bind(BindHelper.func3, testObj)
bound('hello', nil, '!', function(arg1, arg2, arg3)
  assert(arg1 == 'hello')
  assert(arg2 == nil)
  assert(arg3 == '!')
end)

bound = utils.bind(BindHelper.func3, testObj, 'hello', 'world')
bound('!', function(arg1, arg2, arg3)
  assert(arg1 == 'hello')
  assert(arg2 == 'world')
  assert(arg3 == '!')
end)

bound = utils.bind(BindHelper.func3, testObj, 'hello', nil)
bound('!', function(arg1, arg2, arg3)
  assert(arg1 == 'hello')
  assert(arg2 == nil)
  assert(arg3 == '!')
end)

bound = utils.bind(BindHelper.func3, testObj, nil, 'world')
bound('!', function(arg1, arg2, arg3)
  assert(arg1 == nil)
  assert(arg2 == 'world')
  assert(arg3 == '!')
end)

local Error = require('core').Error
local MyError = Error:extend()
assert(pcall(utils.dump, MyError))