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23 lines
735 B
JavaScript
23 lines
735 B
JavaScript
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var defined = require('../');
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var test = require('tape');
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test('defined-or', function (t) {
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var u = undefined;
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t.equal(defined(), u, 'empty arguments');
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t.equal(defined(u), u, '1 undefined');
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t.equal(defined(u, u), u, '2 undefined');
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t.equal(defined(u, u, u, u), u, '4 undefineds');
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t.equal(defined(undefined, false, true), false, 'false[0]');
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t.equal(defined(false, true), false, 'false[1]');
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t.equal(defined(undefined, 0, true), 0, 'zero[0]');
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t.equal(defined(0, true), 0, 'zero[1]');
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t.equal(defined(3, undefined, 4), 3, 'first arg');
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t.equal(defined(undefined, 3, 4), 3, 'second arg');
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t.equal(defined(undefined, undefined, 3), 3, 'third arg');
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t.end();
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});
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