14 lines
345 B
JavaScript
14 lines
345 B
JavaScript
var s = Symbol('s');
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expect(typeof s).toBe('symbol');
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expect(s.constructor).toBe(Symbol);
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expect(s instanceof Symbol).toBe(false);
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expect(() => {
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new Symbol;
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}).toThrow();
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// TODO(jjb): Our impl not to spec so generators can use Symbols without
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// requiring transcoding
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// expect(s.toString()).toBe('Symbol(s)');
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expect(s.valueOf()).toBe(s);
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