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31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
// test setSize
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var assert = require('assert');
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var math = require('../../../index');
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describe('setSize', function () {
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it('should return the number of elements of a set', function () {
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assert.strictEqual(math.setSize([]), 0);
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assert.strictEqual(math.setSize([1]), 1);
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assert.strictEqual(math.setSize([1, 2]), 2);
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});
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it('should return the number of elements of a multiset', function () {
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assert.strictEqual(math.setSize([1, 1]), 2);
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assert.strictEqual(math.setSize([1, 1], true), 1);
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assert.strictEqual(math.setSize([1, 2, 1], true), 2);
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});
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it('should return a number', function() {
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assert.equal(math.typeof(math.setSize([1, 2, 3])), 'number');
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});
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it('should throw an error in case of invalid type of arguments', function() {
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assert.throws(function () {math.setSize([], []);}, /TypeError: Unexpected type of argument/);
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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.setSize();}, /TypeError: Too few arguments/);
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});
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});
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