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6e96d5a808
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
84 lines
2.2 KiB
JavaScript
84 lines
2.2 KiB
JavaScript
var assert = require('assert'),
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error = require('../../../lib/error/index'),
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math = require('../../../index');
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describe('clone', function() {
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it('should clone a boolean', function() {
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assert.strictEqual(math.clone(true), true);
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assert.strictEqual(math.clone(false), false);
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});
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it('should clone null', function() {
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assert.strictEqual(math.clone(null), null);
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});
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it('should clone a number', function() {
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var a = 1;
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var b = math.clone(a);
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a = 2;
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assert.strictEqual(b, 1);
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});
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it('should throw an error on wrong number of arguments', function() {
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assert.throws (function () {math.clone()}, /TypeError: Too few arguments/);
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assert.throws (function () {math.clone(2, 4)}, /TypeError: Too many arguments/);
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});
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it('should clone a bignumber', function() {
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var a = math.bignumber('2.3e500');
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var b = math.clone(a);
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assert.deepEqual(a, b);
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});
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it('should clone a string', function() {
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var a = 'hello world';
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var b = math.clone(a);
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a = 'bye!';
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assert.strictEqual(a, 'bye!');
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assert.strictEqual(b, 'hello world');
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});
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it('should clone a complex number', function() {
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var a = math.complex(2, 3);
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var b = math.clone(a);
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assert.notEqual(a, b);
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a.re = 5;
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assert.strictEqual(a.toString(), '5 + 3i');
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assert.strictEqual(b.toString(), '2 + 3i');
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});
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it('should clone a unit', function() {
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var a = math.unit('5mm');
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var b = math.clone(a);
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a.value = 10;
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assert.equal(a.toString(), '10 m');
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assert.equal(b.toString(), '5 mm');
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});
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it('should clone an array', function() {
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var a = [1,2,[3,4]];
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var b = math.clone(a);
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a[2][1] = 5;
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assert.equal(b[2][1], 4);
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});
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it('should clone a matrix', function() {
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var a = math.matrix([[1, 2], [3, 4]]);
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var b = math.clone(a);
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a.valueOf()[0][0] = 5;
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assert.equal(b.valueOf()[0][0], 1);
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a = math.matrix([1, 2, new math.complex(2, 3), 4]);
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b = math.clone(a);
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a.valueOf()[2].re = 5;
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assert.equal(b.valueOf()[2].re, 2);
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});
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it('should LaTeX clone', function () {
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var expression = math.parse('clone(1)');
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assert.equal(expression.toTex(), '\\mathrm{clone}\\left(1\\right)');
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});
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});
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