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