12 lines
363 B
JavaScript
12 lines
363 B
JavaScript
const expect = require('expect');
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const forOwnRight = require('./forOwnRight.js');
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test('forOwnRight is a Function', () => {
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expect(forOwnRight).toBeInstanceOf(Function);
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});
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let output = [];
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forOwnRight({ foo: 'bar', a: 1 }, v => output.push(v));
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test("Iterates over an element's key-value pairs in reverse", () => {
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expect(output).toEqual([1, 'bar']);
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});
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