Files
openlayers/test/spec/ol/expression/parser.test.js
2013-06-25 12:11:45 -06:00

36 lines
948 B
JavaScript

goog.provide('ol.test.expression');
describe('ol.expression.Parser', function() {
describe('constructor', function() {
it('creates a new expression parser', function() {
var parser = new ol.expression.Parser();
expect(parser).to.be.a(ol.expression.Parser);
});
});
describe('#parseGroupExpression_()', function() {
function parse(source) {
var lexer = new ol.expression.Lexer(source);
var parser = new ol.expression.Parser();
return parser.parseGroupExpression_(lexer);
}
it('parses grouped expressions', function() {
var expr = parse('(3 * (foo + 2))');
expect(expr).to.be.a(ol.expression.Expression);
expect(expr).to.be.a(ol.expression.Math);
expect(expr.evaluate({foo: 3})).to.be(15);
});
});
});
goog.require('ol.expression.Expression');
goog.require('ol.expression.Lexer');
goog.require('ol.expression.Math');
goog.require('ol.expression.Parser');