mirror of
https://github.com/kikito/middleclass.git
synced 2024-11-25 02:44:20 +00:00
76 lines
2.3 KiB
Lua
76 lines
2.3 KiB
Lua
local class = require 'middleclass'
|
|
local Object = class.Object
|
|
|
|
context('isSubclassOf', function()
|
|
|
|
context('nils, integers, etc', function()
|
|
local primitives = {nil, 1, 'hello', {}, function() end}
|
|
|
|
for _,primitive in pairs(primitives) do
|
|
local theType = type(primitive)
|
|
context('A ' .. theType, function()
|
|
|
|
local f1 = function() return Object.isSubclassOf(Object, primitive) end
|
|
local f2 = function() return Object.isSubclassOf(primitive, o) end
|
|
local f3 = function() return Object.isSubclassOf(primitive, primitive) end
|
|
|
|
context('does not throw errors', function()
|
|
test('isSubclassOf(Object, '.. theType ..')', function()
|
|
assert_not_error(f1)
|
|
end)
|
|
test('isSubclassOf(' .. theType .. ', Object:new())', function()
|
|
assert_not_error(f2)
|
|
end)
|
|
test('isSubclassOf(' .. theType .. ',' .. theType ..')', function()
|
|
assert_not_error(f3)
|
|
end)
|
|
end)
|
|
|
|
test('makes isSubclassOf return false', function()
|
|
assert_false(f1())
|
|
assert_false(f2())
|
|
assert_false(f3())
|
|
end)
|
|
|
|
end)
|
|
end
|
|
|
|
end)
|
|
|
|
context('Any class (except Object)', function()
|
|
local Class1 = class('Class1')
|
|
local Class2 = class('Class2', Class1)
|
|
local Class3 = class('Class3', Class2)
|
|
local UnrelatedClass = class('Unrelated')
|
|
|
|
test('isSubclassOf(Object)', function()
|
|
assert_true(Class1:isSubclassOf(Object))
|
|
assert_true(Class2:isSubclassOf(Object))
|
|
assert_true(Class3:isSubclassOf(Object))
|
|
end)
|
|
|
|
test('is subclassOf its direct superclass', function()
|
|
assert_true(Class2:isSubclassOf(Class1))
|
|
assert_true(Class3:isSubclassOf(Class2))
|
|
end)
|
|
|
|
test('is subclassOf its ancestors', function()
|
|
assert_true(Class3:isSubclassOf(Class1))
|
|
end)
|
|
|
|
test('is a subclassOf its class\' subclasses', function()
|
|
assert_true(Class2:isSubclassOf(Class1))
|
|
assert_true(Class3:isSubclassOf(Class1))
|
|
assert_true(Class3:isSubclassOf(Class2))
|
|
end)
|
|
|
|
test('is not a subclassOf an unrelated class', function()
|
|
assert_false(Class1:isSubclassOf(UnrelatedClass))
|
|
assert_false(Class2:isSubclassOf(UnrelatedClass))
|
|
assert_false(Class3:isSubclassOf(UnrelatedClass))
|
|
end)
|
|
|
|
end)
|
|
|
|
end)
|