59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
goog.provide('ol.test.expression.Lexer');
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describe('ol.expression.Lexer', function() {
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describe('constructor', function() {
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it('creates a new lexer', function() {
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var lexer = new ol.expression.Lexer('foo');
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expect(lexer).to.be.a(ol.expression.Lexer);
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});
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});
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describe('#scanNumericLiteral_()', function() {
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function scan(code) {
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var lexer = new ol.expression.Lexer(code);
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return lexer.scanNumericLiteral_();
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}
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it('works for integers', function() {
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var token = scan('123');
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expect(token.value).to.be(123);
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});
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it('works for float', function() {
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var token = scan('123.456');
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expect(token.value).to.be(123.456);
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});
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it('works with exponent', function() {
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var token = scan('1.234e5');
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expect(token.value).to.be(1.234e5);
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});
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it('works with explicit positive exponent', function() {
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var token = scan('1.234e+5');
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expect(token.value).to.be(1.234e5);
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});
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it('works with negative exponent', function() {
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var token = scan('1.234e-5');
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expect(token.value).to.be(1.234e-5);
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});
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it('works with octals', function() {
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var token = scan('02322');
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expect(token.value).to.be(1234);
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});
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it('works with hex', function() {
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var token = scan('0x4d2');
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expect(token.value).to.be(1234);
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});
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});
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});
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goog.require('ol.expression.Lexer');
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