16 lines
515 B
JavaScript
16 lines
515 B
JavaScript
import {parse} from '@babel/parser';
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import {expect} from 'chai';
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import Sandbox from '../src/sandbox';
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it('evaluates UpdateExpression', () => {
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expect(new Sandbox(parse('a++'), {a: 1}).next().value)
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.to.deep.include({value: 1});
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expect(new Sandbox(parse('++a'), {a: 1}).next().value)
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.to.deep.include({value: 2});
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expect(new Sandbox(parse('a--'), {a: 1}).next().value)
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.to.deep.include({value: 1});
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expect(new Sandbox(parse('--a'), {a: 1}).next().value)
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.to.deep.include({value: 0});
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});
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