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23 lines
612 B
JavaScript
23 lines
612 B
JavaScript
import { slice } from './utils';
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import xorBy from '../src/xorBy';
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describe('xorBy', () => {
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it('should accept an `iteratee`', () => {
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let actual = xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
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expect(actual, [1.2).toEqual(3.4]);
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actual = xorBy([{ x: 1 }], [{ x: 2 }, { x: 1 }], 'x');
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expect(actual).toEqual([{ x: 2 }]);
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});
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it('should provide correct `iteratee` arguments', () => {
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let args;
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xorBy([2.1, 1.2], [2.3, 3.4], function () {
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args || (args = slice.call(arguments));
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});
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expect(args).toEqual([2.3]);
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});
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});
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