mirror of
https://github.com/josdejong/mathjs.git
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97 lines
2.7 KiB
JavaScript
97 lines
2.7 KiB
JavaScript
var assert = require('assert'),
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math = require('../../../index')(),
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bignumber = math.bignumber,
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min = math.min;
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describe('min', function() {
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it('should return the min between several numbers', function() {
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assert.equal(min(5), 5);
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assert.equal(min(1,3), 1);
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assert.equal(min(3,1), 1);
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assert.equal(min(1,3,5,-5,2), -5);
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assert.equal(min(0,0,0,0), 0);
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});
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it('should return the min string following lexical order', function() {
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assert.equal(min('A', 'C', 'D', 'B'), 'A');
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});
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it('should return the min element from a vector', function() {
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assert.equal(min([1,3,5,-5,2]), -5);
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});
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it('should return the min of big numbers', function() {
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assert.deepEqual(min(bignumber(1),bignumber(3),bignumber(5),bignumber(2),bignumber(-5)),
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bignumber(-5));
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});
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it('should return the min element from a vector array', function() {
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assert.equal(min(math.matrix([1,3,5,-5,2])), -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(min([
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[ 1, 4, 7],
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[ 3, 0, 5],
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[-1, 9, 11]
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]), -1);
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assert.deepEqual(min(math.matrix([
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[ 1, 4, 7],
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[ 3, 0, 5],
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[-1, 9, 11]
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])), -1);
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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(min([
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[ 1, 2, 3],
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[ 4, 5, 6],
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[ 7, 8, 9]], 0), [1, 2, 3]);
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assert.deepEqual(min([
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[ 1, 2, 3],
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[ 4, 5, 6],
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[ 7, 8, 9]], 1), [1, 4, 7]);
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assert.deepEqual(min([
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[ 1, 2, 3],
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[ 6, 5, 4],
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[ 8, 7, 9]], 1), [1, 4, 7]);
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assert.deepEqual(min([
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[ [1,2], [3,4], [5,6]],
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[ [6,7], [8,9], [10,11]]], 2),
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[[1, 3, 5], [6, 8, 10]]);
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assert.deepEqual(min([
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[ [1,2], [3,4], [5,6]],
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[ [6,7], [8,9], [10,11]]], 1),
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[[1, 2], [6,7]]);
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assert.deepEqual(min([
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[ [1,2], [3,4], [5,6]],
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[ [6,7], [8,9], [10,11]]], 0),
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[[1, 2], [3,4], [5,6]]);
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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 () {min(math.complex(2,3), math.complex(2,1))}, TypeError);
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assert.throws(function () {min(math.complex(2,3), math.complex(2,5))}, TypeError);
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assert.throws(function () {min(math.complex(3,4), 4)}, TypeError);
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assert.throws(function () {min(math.complex(3,4), 5)}, TypeError);
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assert.throws(function () {min(5, math.complex(3,4))}, TypeError);
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assert.throws(function () {min(math.complex(3,4), 6)}, TypeError);
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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() {min()});
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assert.throws(function() {min([], 2, 3)});
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});
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it('should throw an error if called with an empty array', function() {
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assert.throws(function() {min([])});
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});
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});
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