mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-08-20 13:34:05 +02:00
81 lines
1.8 KiB
Lua
81 lines
1.8 KiB
Lua
local Vector3 = require("worldeditadditions_core.utils.vector3")
|
|
|
|
describe("Vector3.subtract", function()
|
|
it("should subtract 2 positive vectors", function()
|
|
local a = Vector3.new(3, 4, 5)
|
|
local b = Vector3.new(1, 1, 1)
|
|
assert.are.same(
|
|
Vector3.new(2, 3, 4),
|
|
a:subtract(b)
|
|
)
|
|
end)
|
|
it("should work with the sub alias", function()
|
|
local a = Vector3.new(3, 4, 5)
|
|
local b = Vector3.new(1, 1, 1)
|
|
assert.are.same(
|
|
Vector3.new(2, 3, 4),
|
|
a:sub(b)
|
|
)
|
|
end)
|
|
it("should work with scalar a", function()
|
|
local a = 2
|
|
local b = Vector3.new(6, 7, 8)
|
|
assert.are.same(
|
|
Vector3.new(4, 5, 6),
|
|
a - b
|
|
)
|
|
end)
|
|
it("should work with scalar b", function()
|
|
local a = Vector3.new(6, 7, 8)
|
|
local b = 2
|
|
assert.are.same(
|
|
Vector3.new(4, 5, 6),
|
|
a - b
|
|
)
|
|
end)
|
|
it("should support the subtract operator", function()
|
|
local a = Vector3.new(3, 4, 5)
|
|
local b = Vector3.new(1, 1, 1)
|
|
assert.are.same(
|
|
Vector3.new(2, 3, 4),
|
|
a - b
|
|
)
|
|
end)
|
|
it("should handle negative b", function()
|
|
local a = Vector3.new(3, 4, 5)
|
|
local b = Vector3.new(-1, -1, -1)
|
|
assert.are.same(
|
|
Vector3.new(4, 5, 6),
|
|
a - b
|
|
)
|
|
end)
|
|
it("should handle negative a", function()
|
|
local a = Vector3.new(-3, -4, -5)
|
|
local b = Vector3.new(1, 1, 1)
|
|
assert.are.same(
|
|
Vector3.new(-4, -5, -6),
|
|
a - b
|
|
)
|
|
end)
|
|
it("should handle negative a and b", function()
|
|
local a = Vector3.new(-3, -4, -5)
|
|
local b = Vector3.new(-1, -1, -1)
|
|
assert.are.same(
|
|
Vector3.new(-2, -3, -4),
|
|
a - b
|
|
)
|
|
end)
|
|
it("should return a new Vector3 instance", function()
|
|
local a = Vector3.new(3, 4, 5)
|
|
local b = Vector3.new(1, 1, 1)
|
|
|
|
local result = a - b
|
|
assert.are.same(
|
|
Vector3.new(2, 3, 4),
|
|
result
|
|
)
|
|
assert.are_not.equal(result, a)
|
|
assert.are_not.equal(result, b)
|
|
end)
|
|
end)
|