mirror of
https://github.com/kikito/middleclass.git
synced 2024-10-05 23:24:17 +00:00
69 lines
1.8 KiB
Lua
69 lines
1.8 KiB
Lua
local class = require 'middleclass'
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local Object = class.Object
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describe('includes', function()
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describe('nils, numbers, etc', function()
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local o = Object:new()
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local primitives = {nil, 1, 'hello', {}, function() end}
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for _,primitive in pairs(primitives) do
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local theType = type(primitive)
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describe('A ' .. theType, function()
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local f1 = function() return Object.includes(Object, primitive) end
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local f2 = function() return Object.includes(primitive, o) end
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local f3 = function() return Object.includes(primitive, primitive) end
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describe('don\'t throw errors', function()
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it('includes(Object, '.. theType ..')', function()
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assert.not_error(f1)
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end)
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it('includes(' .. theType .. ', Object:new())', function()
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assert.not_error(f2)
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end)
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it('includes(' .. theType .. ',' .. theType ..')', function()
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assert.not_error(f3)
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end)
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end)
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it('make includes return false', function()
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assert.is_false(f1())
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assert.is_false(f2())
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assert.is_false(f3())
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end)
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end)
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end -- for
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end)
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describe('A class', function()
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local Class1 = class('Class1')
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local Class2 = class('Class2', Class1)
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local Class3 = class('Class3', Class2)
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local UnrelatedClass = class('Unrelated')
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local hasFoo = { foo=function() return 'foo' end }
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Class1:include(hasFoo)
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it('returns true if it includes a mixin', function()
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assert.is_true(Class1:includes(hasFoo))
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end)
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it('returns true if its superclass includes a mixin', function()
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assert.is_true(Class2:includes(hasFoo))
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assert.is_true(Class3:includes(hasFoo))
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end)
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it('returns false otherwise', function()
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assert.is_false(UnrelatedClass:includes(hasFoo))
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end)
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end)
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end)
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