mirror of
https://github.com/josdejong/mathjs.git
synced 2025-12-08 19:46:04 +00:00
30 lines
927 B
JavaScript
30 lines
927 B
JavaScript
// test parse
|
|
const assert = require('assert')
|
|
const error = require('../../../src/error/index')
|
|
const math = require('../../../src/main')
|
|
const Node = math.expression.node.Node
|
|
|
|
describe('parse', function () {
|
|
it('should parse an expression', function () {
|
|
const node = math.parse('(5+3)/4')
|
|
assert.ok(node instanceof Node)
|
|
assert.equal(node.compile().eval(), 2)
|
|
})
|
|
|
|
it('should parse multiple expressions', function () {
|
|
const nodes = math.parse(['2+3', '4+5'])
|
|
assert.ok(Array.isArray(nodes))
|
|
assert.equal(nodes.length, 2)
|
|
|
|
assert.ok(nodes[0] instanceof Node)
|
|
assert.ok(nodes[1] instanceof Node)
|
|
assert.equal(nodes[0].compile().eval(), 5)
|
|
assert.equal(nodes[1].compile().eval(), 9)
|
|
})
|
|
|
|
it('should LaTeX parse', function () {
|
|
const expression = math.parse('parse(expr,options)')
|
|
assert.equal(expression.toTex(), '\\mathrm{parse}\\left( expr, options\\right)')
|
|
})
|
|
})
|