25 lines
700 B
Plaintext
25 lines
700 B
Plaintext
'use strict';
|
|
|
|
var defined = require('../');
|
|
var test = require('tape');
|
|
|
|
test('defined-or', function (t) {
|
|
var u = void 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();
|
|
});
|