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https://github.com/sbrl/Minetest-WorldEditAdditions.git
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57 lines
1.6 KiB
Lua
57 lines
1.6 KiB
Lua
local Vector3 = require("worldeditadditions_core.utils.vector3")
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describe("Vector3.limit_to", function()
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it("should limit_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:limit_to(138907099)
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)
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end)
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it("should limit_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:limit_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:limit_to(138907099)
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)
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end)
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it("should not change anything if the length is smaller", function()
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local a = Vector3.new(3, 4, 5)
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assert.are.same(
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Vector3.new(3, 4, 5),
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a:limit_to(100)
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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:limit_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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a.x = 4
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assert.are.same(Vector3.new(4, 801980510, 801980510), a)
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assert.are.same(Vector3.new(80198051, 80198051, 80198051), result)
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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(3, 4, 5)
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local result = a:limit_to(101)
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assert.are.same(
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Vector3.new(3, 4, 5),
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result
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)
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a.x = 40
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assert.are.same(Vector3.new(40, 4, 5), a)
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assert.are.same(Vector3.new(3, 4, 5), result)
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end)
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end)
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