mathjs/test/unit-tests/function/set/setUnion.test.js

28 lines
1.2 KiB
JavaScript

// test setUnion
import assert from 'assert'
import math from '../../../../src/bundleAny'
describe('setUnion', function () {
it('should return the union of two sets', function () {
assert.deepStrictEqual(math.setUnion([1, 2], [3, 4]), [1, 2, 3, 4])
assert.deepStrictEqual(math.setUnion(['a', 'b'], ['c', 'd']), ['a', 'b', 'c', 'd'])
assert.deepStrictEqual(math.setUnion([], [3, 4]), [3, 4])
assert.deepStrictEqual(math.setUnion([], []), [])
})
it('should return the union of two multisets', function () {
assert.deepStrictEqual(math.setUnion([1, 1, 2, 3, 4, 4], [1, 2, 3, 4, 4, 4]), [1, 4, 1, 2, 3, 4, 4])
})
it('should return the same type of output as the inputs', function () {
assert.strictEqual(math.typeOf(math.setUnion([1, 2, 3], [3, 4, 5])), 'Array')
assert.strictEqual(math.typeOf(math.setUnion(math.matrix([1, 2, 3]), math.matrix([3, 4, 5]))), 'Matrix')
})
it('should throw an error in case of invalid number of arguments', function () {
assert.throws(function () { math.setUnion() }, /TypeError: Too few arguments/)
assert.throws(function () { math.setUnion([], [], []) }, /TypeError: Too many arguments/)
})
})