84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
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var assert = require('assert'),
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approx = require('../tools/approx'),
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math = require('../index');
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describe('factory', function() {
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it('should get a default instance of mathjs', function() {
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assert.strictEqual(typeof math, 'object');
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assert.deepEqual(math.config(), {
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matrix: 'Matrix',
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number: 'number',
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precision: 64,
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predictable: false,
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epsilon: 1e-12
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});
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});
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it('should create an instance of math.js with custom configuration', function() {
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var math1 = math.create({
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matrix: 'Array',
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number: 'BigNumber'
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});
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assert.strictEqual(typeof math1, 'object');
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assert.deepEqual(math1.config(), {
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matrix: 'Array',
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number: 'BigNumber',
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precision: 64,
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predictable: false,
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epsilon: 1e-12
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});
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});
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it('two instances of math.js should be isolated from each other', function() {
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var math1 = math.create();
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var math2 = math.create({
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matrix: 'Array'
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});
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assert.notStrictEqual(math, math1);
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assert.notStrictEqual(math, math2);
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assert.notStrictEqual(math1, math2);
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assert.notDeepEqual(math1.config(), math2.config());
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assert.notDeepEqual(math.config(), math2.config());
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// changing config should not affect the other
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math1.config({number: 'BigNumber'});
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assert.strictEqual(math.config().number, 'number');
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assert.strictEqual(math1.config().number, 'BigNumber');
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assert.strictEqual(math2.config().number, 'number');
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});
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it('should apply configuration using the config function', function() {
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var math1 = math.create();
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var config = math1.config();
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assert.deepEqual(config, {
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matrix: 'Matrix',
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number: 'number',
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precision: 64,
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predictable: false,
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epsilon: 1e-12
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});
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// restore the original config
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math1.config(config);
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});
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// TODO: test whether the namespace is correct: has functions like sin, constants like pi, objects like type and error.
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it('should throw an error when ES5 is not supported', function() {
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var create = Object.create;
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Object.create = undefined; // fake missing Object.create function
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assert.throws(function () {
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var math1 = math.create();
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}, /ES5 not supported/);
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// restore Object.create
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Object.create = create;
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});
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});
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