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Conflicts: HISTORY.md bower.json component.json dist/math.js dist/math.map dist/math.min.js lib/function/arithmetic/abs.js lib/function/probability/gamma.js lib/version.js package.json
101 lines
3.0 KiB
JavaScript
101 lines
3.0 KiB
JavaScript
var assert = require('assert');
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var math = require('../../../index');
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var BigNumber = math.type.BigNumber;
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var Complex = math.type.Complex;
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var DenseMatrix = math.type.DenseMatrix;
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var Unit = math.type.Unit;
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var max = math.max;
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describe('max', function() {
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it('should return the max of numbers', function() {
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assert.equal(max(5), 5);
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assert.equal(max(3,1), 3);
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assert.equal(max(1,3), 3);
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assert.equal(max(1,3,5,2,-5), 5);
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assert.equal(max(0,0,0,0), 0);
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});
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it('should return the max of big numbers', function() {
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assert.deepEqual(max(new BigNumber(1),new BigNumber(3),new BigNumber(5),new BigNumber(2),new BigNumber(-5)),
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new BigNumber(5));
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});
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it('should return the max string following lexical order', function() {
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assert.equal(max('A', 'C', 'D', 'B'), 'D');
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});
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it('should return the max element from a vector', function() {
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assert.equal(max(new DenseMatrix([1,3,5,2,-5])), 5);
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});
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it('should return the max element from a 2d matrix', function() {
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assert.deepEqual(max([
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[ 1, 4, 7],
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[ 3, 0, 5],
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[-1, 11, 9]
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]), 11);
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assert.deepEqual(max(new DenseMatrix([
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[ 1, 4, 7],
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[ 3, 0, 5],
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[-1, 11, 9]
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])), 11);
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});
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it('should return a reduced n-1 matrix from a n matrix', function() {
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assert.deepEqual(max([
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[ 1, 2, 3],
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[ 4, 5, 6],
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[ 7, 8, 9]
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], 0), [7, 8, 9]);
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assert.deepEqual(max([
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[ 1, 2, 3],
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[ 4, 5, 6],
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[ 7, 8, 9]
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], 1), [3, 6, 9]);
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assert.deepEqual(max([
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[ 1, 2, 3],
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[ 6, 5, 4],
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[ 8, 7, 9]
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], 1), [3, 6, 9]);
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assert.deepEqual(max([
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[ [1,2], [3,4], [5,6]],
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[ [6,7], [8,9], [10,11]]
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], 2),
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[[2, 4, 6], [7, 9, 11]]);
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});
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it('should throw an error when called with complex numbers', function() {
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assert.throws(function () {max(new Complex(2,3), new Complex(2,1))}, TypeError);
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assert.throws(function () {max(new Complex(2,3), new Complex(2,5))}, TypeError);
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assert.throws(function () {max(new Complex(3,4), 4)}, TypeError);
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assert.throws(function () {max(new Complex(3,4), 5)}, TypeError);
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assert.throws(function () {max(5, new Complex(3,4))}, TypeError);
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assert.throws(function () {max(new Complex(3,4), 6)}, TypeError);
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});
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it('should throw an error if called a dimension out of range', function() {
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assert.throws(function() {max([1,2,3], -1)}, /IndexError: Index out of range \(-1 < 0\)/);
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assert.throws(function() {max([1,2,3], 1)}, /IndexError: Index out of range \(1 > 0\)/);
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});
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it('should throw an error if called with invalid number of arguments', function() {
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assert.throws(function() {max()});
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assert.throws(function() {max([], 2, 3)});
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});
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it('should return undefined if called with an empty array', function() {
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assert.throws(function() {max([])});
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});
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it('should LaTeX max', function () {
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var expression = math.parse('max(1,2,3)');
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assert.equal(expression.toTex(), '\\max\\left(1,2,3\\right)');
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});
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});
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