Code Coverage for /var/www/collections/src/Easy/Collections/Dictionary.php

1	<?php
2
3	// Copyright (c) Lellys Informática. All rights reserved. See License.txt in the project root for license information.
4
5	namespace Easy\Collections;
6
7	use InvalidArgumentException;
8
9	/**
10	* Represents a collection of keys and values.
11	*/
12	class Dictionary extends CollectionArray implements IDictionary
13	{
14
15	/**
16	* {@inheritdoc}
17	*/
18	public function add($key, $value)
19	{
20	if ($this->contains($key)) {
21	throw new InvalidArgumentException('That key already exists!');
22	}
23	$this->set($key, $value);
24
25	return $this;
26	}
27
28	public function set($key, $value)
29	{
30	if ($key === null) {
31	throw new InvalidArgumentException("Can't use 'null' as key!");
32	}
33	$this->array[$key] = $value;
34
35	return $this;
36	}
37
38	/**
39	* {@inheritdoc}
40	*/
41	public function keys()
42	{
43	return array_keys($this->array);
44	}
45
46	/**
47	* {@inheritdoc}
48	*/
49	public function offsetExists($offset)
50	{
51	return $this->contains($offset);
52	}
53
54	/**
55	* {@inheritdoc}
56	*/
57	public function offsetGet($offset)
58	{
59	return $this->get($offset);
60	}
61
62	/**
63	* {@inheritdoc}
64	*/
65	public function offsetSet($offset, $value)
66	{
67	$this->set($offset, $value);
68	}
69
70	/**
71	* {@inheritdoc}
72	*/
73	public function offsetUnset($offset)
74	{
75	$this->remove($offset);
76	}
77
78	}