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