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15 lines
631 B
15 lines
631 B
import test from 'ava';
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import m from '..';
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test('nullOrUndefined', t => {
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const x = null;
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const y = undefined;
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t.notThrows(() => m(null, m.nullOrUndefined));
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t.notThrows(() => m(undefined, m.nullOrUndefined));
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t.notThrows(() => m(x, m.nullOrUndefined));
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t.notThrows(() => m(y, m.nullOrUndefined));
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t.notThrows(() => m(y, m.nullOrUndefined.label('foo')));
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t.throws(() => m('foo', m.nullOrUndefined), 'Expected argument to be of type `nullOrUndefined` but received type `string`');
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t.throws(() => m('foo', m.nullOrUndefined.label('foo')), 'Expected `foo` to be of type `nullOrUndefined` but received type `string`');
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});
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