// test setIsSubset
import assert from 'assert'

import math from '../../../../src/defaultInstance.js'

describe('setIsSubset', function () {
  it('should return true or false', function () {
    assert.strictEqual(math.setIsSubset([1, 2], [1, 2, 3, 4]), true)
    assert.strictEqual(math.setIsSubset([1, 2, 3, 4], [1, 2]), false)
    assert.strictEqual(math.setIsSubset([], [1, 2]), true)
    assert.strictEqual(math.setIsSubset([], []), true)

    assert.strictEqual(math.setIsSubset([1, math.complex(2, 2)], [1, 3, 4, math.complex(2, 2)]), true)
  })

  it('should return true or false', function () {
    assert.strictEqual(math.setIsSubset([1, 1, 2, 3, 4, 4], [1, 2, 3, 4, 4, 4]), false)
    assert.strictEqual(math.setIsSubset([1, 2, 3, 4, 4], [1, 2, 3, 4, 4, 4]), true)
    assert.strictEqual(math.setIsSubset([1, 2, 4, 3, 4], [1, 2, 4, 3, 4, 4]), true)
  })

  it('should return boolean', function () {
    assert.strictEqual(math.typeOf(math.setIsSubset([1, 2, 3], [3, 4, 5])), 'boolean')
  })

  it('should throw an error in case of invalid number of arguments', function () {
    assert.throws(function () { math.setIsSubset() }, /TypeError: Too few arguments/)
    assert.throws(function () { math.setIsSubset([], [], []) }, /TypeError: Too many arguments/)
  })
})