mathjs/test/expression/node/index.test.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices.

// test the contents of index.js
var assert = require('assert'),
    index = require('../../../lib/expression/node/index');

describe('node/index', function() {

  it('should contain all nodes', function() {
    assert.equal(Object.keys(index).length, 13);

    assert.strictEqual(index.ArrayNode, require('../../../lib/expression/node/ArrayNode'));
    assert.strictEqual(index.AssignmentNode, require('../../../lib/expression/node/AssignmentNode'));
    assert.strictEqual(index.BlockNode, require('../../../lib/expression/node/BlockNode'));
    assert.strictEqual(index.ConditionalNode, require('../../../lib/expression/node/ConditionalNode'));
    assert.strictEqual(index.ConstantNode, require('../../../lib/expression/node/ConstantNode'));
    assert.strictEqual(index.FunctionAssignmentNode, require('../../../lib/expression/node/FunctionAssignmentNode'));
    assert.strictEqual(index.FunctionNode, require('../../../lib/expression/node/FunctionNode'));
    assert.strictEqual(index.IndexNode, require('../../../lib/expression/node/IndexNode'));
    assert.strictEqual(index.OperatorNode, require('../../../lib/expression/node/OperatorNode'));
    assert.strictEqual(index.RangeNode, require('../../../lib/expression/node/RangeNode'));
    assert.strictEqual(index.SymbolNode, require('../../../lib/expression/node/SymbolNode'));
    assert.strictEqual(index.UpdateNode, require('../../../lib/expression/node/UpdateNode'));
  });

});