just/test/array-compact/index.js at master · hmmhmmhm/just

Repository navigation

var test = require('../util/test')(__filename);

var compact = require('../../packages/array-compact');

test('removes all falsey types', function(t) {

t.plan(1);

t.deepEqual(compact([1, null, 2, undefined, null, NaN, 3, 4, false, 5]), [

]);

t.end();

});

test('does not remove empty objects', function(t) {

t.plan(1);

t.deepEqual(compact([1, 2, [], 4, {}]), [1, 2, [], 4, {}]);

t.end();

});

test('returns empty array as-is', function(t) {

t.plan(1);

t.deepEqual(compact([]), []);

t.end();

});

test('throws if argument is not an array', function(t) {

t.plan(6);

t.throws(function() {

compact({});

});

t.throws(function() {

compact('hello');

});

t.throws(function() {

compact(/hello/);

});

t.throws(function() {

compact(null);

});

t.throws(function() {

compact(undefined);

});

t.throws(function() {

compact();

});

t.end();

});