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Huáng JùnliàngandGitHub
ce5a104bae
* bump "@babel/*" deps * bump core-js * bump @babel/core * update eslint-plugin-jest and glob * update Makefile.js * fix linting errors * remove obsolete snapshots * use inline snapshot
12 lines
643 B
JavaScript
12 lines
643 B
JavaScript
const foo = { [Symbol.toPrimitive]: () => "foo" };
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expect((new class { [foo](){ return 0; } }).foo()).toBe(0);
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expect((new class { get [foo](){ return 0; } }).foo).toBe(0);
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expect((new class { set [foo](v){ return v; } }).foo = 0).toBe(0);
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const arrayLike = { [Symbol.toPrimitive] : () => [] };
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expect(() => new class { [arrayLike](){ return 0; } }).toThrow("@@toPrimitive must return a primitive value.");
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expect(() => new class { get [arrayLike](){ return 0; } }).toThrow("@@toPrimitive must return a primitive value.");
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expect(() => new class { set [arrayLike](v){ return v; } }).toThrow("@@toPrimitive must return a primitive value.");
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