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https://github.com/minetest/minetest.git
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47 lines
1.2 KiB
Lua
47 lines
1.2 KiB
Lua
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_G.vector = {}
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dofile("builtin/common/vector.lua")
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describe("vector", function()
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describe("new()", function()
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it("constructs", function()
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assert.same({ x = 0, y = 0, z = 0 }, vector.new())
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assert.same({ x = 1, y = 2, z = 3 }, vector.new(1, 2, 3))
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assert.same({ x = 3, y = 2, z = 1 }, vector.new({ x = 3, y = 2, z = 1 }))
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local input = vector.new({ x = 3, y = 2, z = 1 })
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local output = vector.new(input)
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assert.same(input, output)
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assert.are_not.equal(input, output)
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end)
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it("throws on invalid input", function()
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assert.has.errors(function()
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vector.new({ x = 3 })
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end)
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assert.has.errors(function()
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vector.new({ d = 3 })
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end)
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end)
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end)
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it("equal()", function()
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local function assertE(a, b)
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assert.is_true(vector.equals(a, b))
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end
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local function assertNE(a, b)
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assert.is_false(vector.equals(a, b))
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end
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assertE({x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
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assertE({x = -1, y = 0, z = 1}, {x = -1, y = 0, z = 1})
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local a = { x = 2, y = 4, z = -10 }
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assertE(a, a)
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assertNE({x = -1, y = 0, z = 1}, a)
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end)
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it("add()", function()
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assert.same({ x = 2, y = 4, z = 6 }, vector.add(vector.new(1, 2, 3), { x = 1, y = 2, z = 3 }))
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end)
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end)
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