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test.lua
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local events = require 'events'
local emitter = events:new()
emitter:on('test_on', function ()
print('test_on LSN1 fires')
end)
emitter:on('test_on', function ()
print('test_on LSN2 fires')
end)
emitter:on('test_on', function ()
print('test_on LSN2 fires')
end)
emitter:on('test_on_args', function (...)
print('test_on_args fires')
print(...)
end)
emitter:on('test_on_args', function (...)
print('test_on_args fires')
print(...)
end)
emitter:on('test_addListener', function ()
print('test_addListener LSN 1fires')
end)
emitter:on('test_addListener', function ()
print('test_addListener LSN 2 fires')
end)
emitter:on('test_addListener_args', function (...)
print('test_addListener_args fires')
print(...)
end)
emitter:once('test_once', function ()
print('test_once LSN1 fires')
end)
emitter:once('test_once', function ()
print('test_once LSN2 fires')
end)
emitter:once('test_once', function ()
print('test_once LSN3 fires')
end)
emitter:once('test_once_args', function (...)
print('test_once_args fires')
print(...)
end)
print(emitter:getMaxListeners())
print(emitter:listenerCount('test_on'))
print(emitter:listenerCount('test_on_args'))
print(emitter:listenerCount('test_addListener'))
print(emitter:listenerCount('test_addListener_args'))
print(emitter:listenerCount('test_once'))
print(emitter:listenerCount('test_once_args'))
print(emitter:listeners())
print(emitter:setMaxListeners(20))
print(emitter:getMaxListeners())
print(emitter:setMaxListeners(10))
emitter:emit('test_on')
emitter:emit('test_on')
emitter:emit('test_on')
emitter:emit('test_on_args', 1, 'hello', { x = 'x' })
emitter:emit('test_on_args', 2, 'world', { y = 'y' })
emitter:emit('test_once')
emitter:emit('test_once')
emitter:emit('test_once_args', 1, 'hello', { x = 'x' })
emitter:emit('test_once_args', 1, 'hello', { x = 'x' })
emitter:removeAllListeners('test_on')
emitter:emit('test_on')
emitter:emit('test_on')
print(emitter:listenerCount('test_on_args'))
emitter:removeAllListeners('test_on_args')
print(emitter:listenerCount('test_on_args'))
emitter:removeAllListeners()
print('remove all listeners')
emitter:emit('test_on')
emitter:emit('test_on')
emitter:emit('test_on')
emitter:emit('test_on_args', 1, 'hello', { x = 'x' })
emitter:emit('test_on_args', 2, 'world', { y = 'y' })
emitter:emit('test_once')
emitter:emit('test_once')
emitter:emit('test_once_args', 1, 'hello', { x = 'x' })
emitter:emit('test_once_args', 1, 'hello', { x = 'x' })
--------------------------------------------------------------
local cb1 = function ()
print('>> cb1_test_on fires')
end
local cb1once = function ()
print('**** cb1_test_once fires')
end
local cb2 = function (...)
print('cb2_test_on fires')
print(...)
end
print('-----------------------------------')
emitter:on('cb1_test_on', cb1)
emitter:on('cb1_test_on', cb1)
emitter:on('cb1_test_on', cb1)
emitter:once('cb1_test_once', cb1once)
emitter:once('cb1_test_once', cb1once)
emitter:once('cb1_test_once', cb1once)
emitter:on('cb2_test_on', cb2)
emitter:on('cb2_test_on', cb2)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
emitter:once('cb2_test_on', cb1)
print('******')
print(emitter:getMaxListeners())
print(emitter:listenerCount('cb2_test_on'))
print(#emitter:listeners('cb2_test_on'))
emitter:emit('cb1_test_on')
emitter:emit('cb1_test_on')
emitter:emit('cb1_test_once')
emitter:emit('cb1_test_once')
emitter:emit('cb1_test_once')
emitter:emit('cb2_test_on', 1, 2, 'hello')
emitter:emit('cb2_test_on', 3, 4, 'world', { a = 1 })
print('-----------------------------------')