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https://github.com/sbrl/Minetest-WorldEditAdditions.git
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53 lines
1.6 KiB
Lua
53 lines
1.6 KiB
Lua
local Vector3 = require("worldeditadditions_core.utils.vector3")
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describe("Vector3.set_to", function()
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it("should set_to a positive vector", function()
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local a = Vector3.new(801980510, 801980510, 801980510)
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assert.are.same(
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Vector3.new(80198051, 80198051, 80198051),
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a:set_to(138907099)
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)
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end)
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it("should set_to a negative vector", function()
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local a = Vector3.new(-1897506260, -1897506260, -1897506260)
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assert.are.same(
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Vector3.new(-189750626, -189750626, -189750626),
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a:set_to(328657725)
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)
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end)
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it("should work if the length is borderline", function()
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local a = Vector3.new(80198051, 80198051, 80198051)
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assert.are.same(
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Vector3.new(80198051, 80198051, 80198051),
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a:set_to(138907099)
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)
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end)
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it("should work if the length is smaller", function()
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local a = Vector3.new(80198051, 80198051, 80198051)
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assert.are.same(
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Vector3.new(109552575, 109552575, 109552575),
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a:set_to(189750626):floor() -- Hack to ignore flating-point errors. In theory we should really use epsilon here instead
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)
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end)
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it("should return a new Vector3 instance", function()
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local a = Vector3.new(801980510, 801980510, 801980510)
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local result = a:set_to(138907099)
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assert.are.same(
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Vector3.new(80198051, 80198051, 80198051),
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result
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)
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assert.are_not.equal(result, a)
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end)
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it("should return a new Vector3 instance if the length is smaller", function()
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local a = Vector3.new(80198051, 80198051, 80198051)
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local result = a:set_to(189750626):floor()
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assert.are.same(
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Vector3.new(109552575, 109552575, 109552575),
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result
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)
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assert.are_not.equal(result, a)
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end)
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end)
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