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

32 lines
1.1 KiB
JavaScript

// test setSize
import assert from 'assert'
import math from '../../../../src/bundleAny'
describe('setSize', function () {
it('should return the number of elements of a set', function () {
assert.strictEqual(math.setSize([]), 0)
assert.strictEqual(math.setSize([1]), 1)
assert.strictEqual(math.setSize([1, 2]), 2)
assert.strictEqual(math.setSize([1, math.complex(2, 2)]), 2)
})
it('should return the number of elements of a multiset', function () {
assert.strictEqual(math.setSize([1, 1]), 2)
assert.strictEqual(math.setSize([1, 1], true), 1)
assert.strictEqual(math.setSize([1, 2, 1], true), 2)
})
it('should return a number', function () {
assert.strictEqual(math.typeOf(math.setSize([1, 2, 3])), 'number')
})
it('should throw an error in case of invalid type of arguments', function () {
assert.throws(function () { math.setSize([], []) }, /TypeError: Unexpected type of argument/)
})
it('should throw an error in case of invalid number of arguments', function () {
assert.throws(function () { math.setSize() }, /TypeError: Too few arguments/)
})
})