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test(lib): add test for cx

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This commit is contained in:
Eric Liu 2019-12-17 09:27:57 -08:00
commit 5726e99d92
1 changed files with 10 additions and 0 deletions
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10
src/lib/__tests__/cx.spec.js Normal file
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import { cx } from '../cx';
test('cx', () => {
expect(cx(null)).toEqual('');
expect(cx(undefined)).toEqual('');
expect(cx('--')).toEqual('bx--');
expect(cx('--', null)).toEqual('bx--');
expect(cx(0, undefined, '--', null, 1)).toEqual('bx--');
expect(cx(1 && '1', 0 && '0')).toEqual('1');
});