Position.lua
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			local positionedClass = lib "class" ("TestPosition")

			positionedClass:include(mixin "Position")

			TestPosition = {}
			function TestPosition:setUp()
			self.instance = positionedClass:new()
			end

			function TestPosition:testGetXFailsIfNoValue()
			assertError(function() self.instance:getX() end)
			end

			function TestPosition:testGetPositionFailsIfOneCoordinateMissing()
			self.instance:setX(0)
			self.instance:setY(0)
			self.instance:setPosition(0, 0, nil)
			assertError(function() self.instance:getPosition() end)
			end

			function TestPosition:testGetX()
			local x = 2.0
			self.instance:setX(x)
			assertEquals(self.instance:getX(), x)

			local y = 4.0
			self.instance:setPosition(x, y, 0)
			assertEquals(self.instance:getY(), 4.0)
			end

cellulo-lovr/test/main/mixin/Position.lua7bc7bcd85032celluloVR