mirror of
https://github.com/kikito/middleclass.git
synced 2024-11-25 02:44:20 +00:00
74 lines
2.3 KiB
Lua
74 lines
2.3 KiB
Lua
require('MiddleClass')
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context( 'subclassOf', function()
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context( 'Primitives', function()
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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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context('A ' .. theType, function()
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local f1 = function() return subclassOf(Object, primitive) end
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local f2 = function() return subclassOf(primitive, o) end
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local f3 = function() return subclassOf(primitive, primitive) end
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context('should not throw errors', function()
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test('subclassOf(Object, '.. theType ..')', function()
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assert_not_error(f1)
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end)
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test('subclassOf(' .. theType .. ', Object:new())', function()
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assert_not_error(f2)
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end)
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test('subclassOf(' .. 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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test('should make subclassOf return false', function()
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assert_false(f1())
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assert_false(f2())
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assert_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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context( 'Any class (except Object)', 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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test('should be subclassOf(Object)', function()
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assert_true(subclassOf(Object, Class1))
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assert_true(subclassOf(Object, Class2))
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assert_true(subclassOf(Object, Class3))
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end)
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test('should be subclassOf its direct superclass', function()
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assert_true(subclassOf(Class1, Class2))
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assert_true(subclassOf(Class2, Class3))
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end)
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test('should be subclassOf its ancestors', function()
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assert_true(subclassOf(Class1, Class3))
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end)
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test('should not be an subclassOf its class\' subclasses', function()
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assert_false(subclassOf(Class2, Class1))
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assert_false(subclassOf(Class3, Class1))
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assert_false(subclassOf(Class3, Class2))
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end)
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test('should not be an subclassOf an unrelated class', function()
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assert_false(subclassOf(UnrelatedClass, Class1))
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assert_false(subclassOf(UnrelatedClass, Class2))
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assert_false(subclassOf(UnrelatedClass, Class3))
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end)
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end)
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end)
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