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27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
// test setUnion
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const assert = require('assert')
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const math = require('../../../src/main')
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describe('setUnion', function () {
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it('should return the union of two sets', function () {
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assert.deepEqual(math.setUnion([1, 2], [3, 4]), [1, 2, 3, 4])
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assert.deepEqual(math.setUnion(['a', 'b'], ['c', 'd']), ['a', 'b', 'c', 'd'])
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assert.deepEqual(math.setUnion([], [3, 4]), [3, 4])
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assert.deepEqual(math.setUnion([], []), [])
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})
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it('should return the union of two multisets', function () {
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assert.deepEqual(math.setUnion([1, 1, 2, 3, 4, 4], [1, 2, 3, 4, 4, 4]), [1, 4, 1, 2, 3, 4, 4])
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})
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it('should return the same type of output as the inputs', function () {
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assert.equal(math.typeof(math.setUnion([1, 2, 3], [3, 4, 5])), 'Array')
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assert.equal(math.typeof(math.setUnion(math.matrix([1, 2, 3]), math.matrix([3, 4, 5]))), 'Matrix')
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})
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it('should throw an error in case of invalid number of arguments', function () {
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assert.throws(function () { math.setUnion() }, /TypeError: Too few arguments/)
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assert.throws(function () { math.setUnion([], [], []) }, /TypeError: Too many arguments/)
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})
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})
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