aaac7fed
 liuqimichale
add
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var defined = require('../');
var test = require('tape');
test('defined-or', function (t) {
var u = undefined;
t.equal(defined(), u, 'empty arguments');
t.equal(defined(u), u, '1 undefined');
t.equal(defined(u, u), u, '2 undefined');
t.equal(defined(u, u, u, u), u, '4 undefineds');
t.equal(defined(undefined, false, true), false, 'false[0]');
t.equal(defined(false, true), false, 'false[1]');
t.equal(defined(undefined, 0, true), 0, 'zero[0]');
t.equal(defined(0, true), 0, 'zero[1]');
t.equal(defined(3, undefined, 4), 3, 'first arg');
t.equal(defined(undefined, 3, 4), 3, 'second arg');
t.equal(defined(undefined, undefined, 3), 3, 'third arg');
t.end();
});
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