1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace DataStructures\Tests\Lists; |
4
|
|
|
|
5
|
|
|
use DataStructures\Lists\CircularLinkedList; |
6
|
|
|
use PHPUnit\Framework\TestCase; |
7
|
|
|
|
8
|
|
|
class CircularLinkedListTest extends TestCase { |
9
|
|
|
private $list; |
10
|
|
|
|
11
|
|
|
public function setUp() { |
12
|
|
|
$this->list = new CircularLinkedList(); |
13
|
|
|
} |
14
|
|
|
|
15
|
|
|
public function testSize() { |
16
|
|
|
$this->assertEquals($this->list->size(), 0); |
17
|
|
|
$this->list->push(true); |
18
|
|
|
$this->list->push(2); |
19
|
|
|
$this->assertEquals($this->list->size(), 2); |
20
|
|
|
} |
21
|
|
|
|
22
|
|
|
public function testEmpty() { |
23
|
|
|
$this->assertTrue($this->list->empty()); |
24
|
|
|
} |
25
|
|
|
|
26
|
|
|
public function testPush() { |
27
|
|
|
$this->list->push(20); |
28
|
|
|
$this->assertEquals(1, $this->list->size()); |
29
|
|
|
$this->assertEquals(20, $this->list->get(0)); |
30
|
|
|
$this->list->push(true); |
31
|
|
|
|
32
|
|
|
$this->assertEquals(2, $this->list->size()); |
33
|
|
|
|
34
|
|
|
$this->assertTrue($this->list->get(1)); |
35
|
|
|
|
36
|
|
|
$this->list->push(30); |
37
|
|
|
$this->assertEquals(20, $this->list->get(0)); |
38
|
|
|
$this->assertEquals(30, $this->list->get(1)); |
39
|
|
|
$this->assertEquals(true, $this->list->get(2)); |
40
|
|
|
} |
41
|
|
|
|
42
|
|
|
public function testGetLast() { |
43
|
|
|
$this->assertNull($this->list->getLast()); |
44
|
|
|
$this->list->push(true); |
45
|
|
|
$this->list->push(50); |
46
|
|
|
$this->list->push("string"); |
47
|
|
|
$this->assertEquals("string", $this->list->getLast()); |
48
|
|
|
} |
49
|
|
|
|
50
|
|
|
public function testInsert() { |
51
|
|
|
$this->list->insert(0, 100); |
52
|
|
|
$this->assertEquals(100, $this->list->get(0)); |
53
|
|
|
$this->assertEquals(1, $this->list->size()); |
54
|
|
|
|
55
|
|
|
$this->list->insert(0, 200); |
56
|
|
|
$this->assertEquals(2, $this->list->size()); |
57
|
|
|
$this->assertEquals(200, $this->list->get(0)); |
58
|
|
|
$this->assertEquals(100, $this->list->get(1)); |
59
|
|
|
$this->assertEquals($this->list->getLast(), 100); |
60
|
|
|
|
61
|
|
|
$this->list->insert(1, 300); |
62
|
|
|
$this->assertEquals(3, $this->list->size()); |
63
|
|
|
$this->assertEquals(200, $this->list->get(0)); |
64
|
|
|
$this->assertEquals(300, $this->list->get(1)); |
65
|
|
|
$this->assertEquals(100, $this->list->get(2)); |
66
|
|
|
$this->list->insert(2, 1000); |
67
|
|
|
$this->assertEquals($this->list->get(2), 1000); |
68
|
|
|
$this->assertEquals($this->list->get(3), 100); |
69
|
|
|
$this->list->insert(6, true); |
70
|
|
|
$this->assertTrue($this->list->get(4)); |
71
|
|
|
} |
72
|
|
|
|
73
|
|
|
public function testDeleteException() { |
74
|
|
|
$this->expectException(\OutOfBoundsException::class); |
75
|
|
|
$this->list->delete(10); |
76
|
|
|
} |
77
|
|
|
|
78
|
|
|
public function testDelete() { |
79
|
|
|
$this->list->push(20); |
80
|
|
|
$this->list->push(true); |
81
|
|
|
$this->list->push(15); |
82
|
|
|
$this->list->push(3.14); |
83
|
|
|
$this->list->push("string"); |
84
|
|
|
|
85
|
|
|
// echo $this->list->get(0) . $this->list->get(1) . $this->list->get(2) . $this->list->get(3) . $this->list->get(4) . PHP_EOL; |
86
|
|
|
$this->assertEquals($this->list->delete(4), "string"); |
87
|
|
|
$this->assertEquals(3.14, $this->list->delete(3)); |
88
|
|
|
|
89
|
|
|
$this->assertEquals(3, $this->list->size()); |
90
|
|
|
$this->assertEquals(true, $this->list->delete(1)); |
91
|
|
|
$this->assertEquals(false, $this->list->empty()); |
92
|
|
|
$this->assertEquals(20, $this->list->delete(0)); |
93
|
|
|
} |
94
|
|
|
|
95
|
|
|
public function testShift() { |
96
|
|
|
$this->assertNull($this->list->shift()); |
97
|
|
|
$this->list->push(20); |
98
|
|
|
$this->list->push(true); |
99
|
|
|
$this->assertEquals(20, $this->list->shift()); |
100
|
|
|
$this->assertEquals(1, $this->list->size()); |
101
|
|
|
$this->assertEquals(true, $this->list->shift()); |
102
|
|
|
$this->assertEquals(true, $this->list->empty()); |
103
|
|
|
$this->assertNull($this->list->shift()); |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
public function testPop() { |
107
|
|
|
$this->list->push(20); |
108
|
|
|
$this->list->push(true); |
109
|
|
|
$this->list->push(15); |
110
|
|
|
$this->list->push(3.14); |
111
|
|
|
$this->list->push("string"); |
112
|
|
|
|
113
|
|
|
$this->assertEquals($this->list->pop(), "string"); |
114
|
|
|
$this->assertEquals(3.14, $this->list->pop()); |
115
|
|
|
$this->list->insert(1, ['hello']); |
116
|
|
|
$this->assertEquals(15, $this->list->pop()); |
117
|
|
|
$this->assertTrue($this->list->pop()); |
118
|
|
|
$this->assertSame($this->list->pop(), ['hello']); |
119
|
|
|
$this->assertSame($this->list->pop(), 20); |
120
|
|
|
$this->assertTrue($this->list->empty()); |
121
|
|
|
} |
122
|
|
|
|
123
|
|
|
public function testPopException() { |
124
|
|
|
$this->expectException(\OutOfBoundsException::class); |
125
|
|
|
$this->list->pop(); |
126
|
|
|
} |
127
|
|
|
|
128
|
|
|
public function testUnshift() { |
129
|
|
|
$this->list->unshift(999); |
130
|
|
|
$this->assertEquals(1, $this->list->size()); |
131
|
|
|
$this->assertEquals(999, $this->list->get(0)); |
132
|
|
|
$this->assertEquals($this->list->getLast(), 999); |
133
|
|
|
$this->list->unshift(888); |
134
|
|
|
$this->assertEquals(2, $this->list->size()); |
135
|
|
|
$this->assertEquals(888, $this->list->get(0)); |
136
|
|
|
$this->assertEquals(999, $this->list->get(1)); |
137
|
|
|
$this->assertEquals($this->list->getLast(), 999); |
138
|
|
|
$this->list->unshift(777); |
139
|
|
|
$this->assertEquals(3, $this->list->size()); |
140
|
|
|
$this->assertEquals(777, $this->list->get(0)); |
141
|
|
|
$this->assertEquals(888, $this->list->get(1)); |
142
|
|
|
$this->assertEquals(999, $this->list->get(2)); |
143
|
|
|
$this->assertEquals($this->list->getLast(), 999); |
144
|
|
|
} |
145
|
|
|
|
146
|
|
|
public function testGet() { |
147
|
|
|
$this->list->push(20); |
148
|
|
|
$this->list->push(true); |
149
|
|
|
$this->list->push(15); |
150
|
|
|
$this->list->push(3.14); |
151
|
|
|
$this->list->push("string"); |
152
|
|
|
$this->assertEquals($this->list->get(0), 20); |
153
|
|
|
$this->assertTrue($this->list->get(1)); |
154
|
|
|
$this->assertEquals($this->list->get(2), 15); |
155
|
|
|
$this->assertEquals($this->list->get(3), 3.14); |
156
|
|
|
$this->assertEquals($this->list->get(4), "string"); |
157
|
|
|
} |
158
|
|
|
|
159
|
|
|
public function testGetWithException() { |
160
|
|
|
$this->expectException(\OutOfBoundsException::class); |
161
|
|
|
$this->list->get(5); |
162
|
|
|
} |
163
|
|
|
|
164
|
|
|
public function testGetOutOfBound() { |
165
|
|
|
$this->expectException(\OutOfBoundsException::class); |
166
|
|
|
$this->list->get(-1); |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
public function testGetAll() { |
170
|
|
|
foreach($this->list->getAll() as $node) { |
171
|
|
|
$this->assertNull($node); |
172
|
|
|
} |
173
|
|
|
|
174
|
|
|
$this->list->push(20); |
175
|
|
|
$this->list->push(true); |
176
|
|
|
$this->list->push(15); |
177
|
|
|
$this->list->push(3.14); |
178
|
|
|
$this->list->push("string"); |
179
|
|
|
$data = []; |
180
|
|
|
foreach($this->list->getAll() as $node) { |
181
|
|
|
$data[] = $node; |
182
|
|
|
} |
183
|
|
|
$this->assertCount(5, $data); |
184
|
|
|
$this->assertSame([20, true, 15, 3.14, "string"], $data); |
185
|
|
|
} |
186
|
|
|
|
187
|
|
|
public function testToArray() { |
188
|
|
|
$this->list->push(20); |
189
|
|
|
$this->list->push(true); |
190
|
|
|
$this->list->push(15); |
191
|
|
|
$this->list->push(3.14); |
192
|
|
|
$this->list->push("string"); |
193
|
|
|
$this->list->pop(); |
194
|
|
|
$nodes = $this->list->toArray(); |
195
|
|
|
$this->assertCount(4, $nodes); |
196
|
|
|
$this->assertSame([20, true, 15, 3.14], $nodes); |
197
|
|
|
} |
198
|
|
|
|
199
|
|
|
public function testClear() { |
200
|
|
|
$this->list->push(20); |
201
|
|
|
$this->list->push(true); |
202
|
|
|
$this->list->push(15); |
203
|
|
|
$this->list->push(3.14); |
204
|
|
|
$this->list->push("string"); |
205
|
|
|
$this->list->clear(); |
206
|
|
|
$this->assertEmpty($this->list->toArray()); |
207
|
|
|
$this->assertEquals(0, $this->list->size()); |
208
|
|
|
} |
209
|
|
|
} |