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'use strict';
/*global describe:true, it: true */
var assert = require('assert');
var undefsafe = require('../lib/undefsafe');
describe('undefsafe', function () {
it('should handle primatives', function () {
var r = undefsafe(1, '');
assert(r === 1, 'undefsafe is 1: ' + r);
});
it('should handle empty objects', function () {
var value = {};
var r;
r = undefsafe(value, '');
assert(r === value, 'value is value' + r);
r = undefsafe(value, 'foo');
assert(r === undefined, 'value.foo is undefined: ' + r);
r = undefsafe(value, 'foo.bar');
assert(r === undefined, 'value.foo.bar is undefined: ' + r);
});
it('should handle null properties', function () {
var value = {
a: {
b: null,
},
};
var r;
r = undefsafe(value, 'a.b');
assert(r === null, 'value.a.b is null: ' + r);
r = undefsafe(value, 'a.b.c');
assert(r === undefined, 'value.a.b.c is undefined: ' + r);
});
it('should find deep object properties', function () {
var value = {
a: {
b: {
c: {
d: 10,
e: {
f: 20,
},
g: true,
h: false,
i: undefined,
j: null,
},
},
},
};
var r;
r = undefsafe(value, 'a');
assert(r === value.a, 'value.a: ' + r + ' ' + value.a);
r = undefsafe(value, 'a.foo');
assert(r === undefined, 'value.a.foo is undefined: ' + r);
r = undefsafe(value, 'a.b.c.d');
assert(r === 10, 'value.a.b.c.d = 10');
r = undefsafe(value, 'a.b.c.e');
assert(r === value.a.b.c.e, 'value.a.b.c.e = <object>');
r = undefsafe(value, 'a.b.c.g');
assert(r === true, 'bool(true)');
r = undefsafe(value, 'a.b.c.h');
assert(r === false, 'bool(false)');
r = undefsafe(value, 'a.b.c.i');
assert(r === undefined, 'undefined');
r = undefsafe(value, 'a.b.c.j');
assert(r === null, 'null');
});
});