|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace DataStructures\Tests\Lists; |
|
4
|
|
|
|
|
5
|
|
|
use DataStructures\Exceptions\FullException; |
|
6
|
|
|
use DataStructures\Lists\Stack; |
|
7
|
|
|
use PHPUnit\Framework\TestCase; |
|
8
|
|
|
|
|
9
|
|
|
class StackTest extends TestCase { |
|
10
|
|
|
private $stack; |
|
11
|
|
|
|
|
12
|
|
|
public function testContructMaxSize() { |
|
13
|
|
|
$this->expectException(\InvalidArgumentException::class); |
|
14
|
|
|
$this->stack = new Stack(-1); |
|
15
|
|
|
} |
|
16
|
|
|
|
|
17
|
|
|
public function testPushWithMaxSize() { |
|
18
|
|
|
$this->stack = new Stack(5); |
|
19
|
|
|
$this->stack->push(1); |
|
20
|
|
|
$this->assertEquals($this->stack->peek(), 1); |
|
21
|
|
|
$this->stack->push(2); |
|
22
|
|
|
$this->assertEquals($this->stack->peek(), 2); |
|
23
|
|
|
$this->stack->push(3); |
|
24
|
|
|
$this->assertEquals($this->stack->peek(), 3); |
|
25
|
|
|
$this->stack->push(4); |
|
26
|
|
|
$this->stack->push(5); |
|
27
|
|
|
$this->expectException(FullException::class); |
|
28
|
|
|
$this->stack->push(6); |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
|
|
public function testPush() { |
|
32
|
|
|
$this->stack = new Stack(); |
|
33
|
|
|
$this->stack->push(1); |
|
34
|
|
|
$this->stack->push(2); |
|
35
|
|
|
$this->stack->push(3); |
|
36
|
|
|
$this->stack->push(4); |
|
37
|
|
|
$this->stack->push(5); |
|
38
|
|
|
$this->assertEquals($this->stack->size(), 5); |
|
39
|
|
|
$this->assertEquals($this->stack->peek(), 5); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
public function testPop() { |
|
43
|
|
|
$this->stack = new Stack(); |
|
44
|
|
|
$this->assertNull($this->stack->pop()); |
|
45
|
|
|
$this->stack->push(1); |
|
46
|
|
|
$this->stack->push(2); |
|
47
|
|
|
$this->stack->push(3); |
|
48
|
|
|
$this->stack->push(4); |
|
49
|
|
|
$this->stack->push(5); |
|
50
|
|
|
$this->assertEquals($this->stack->pop(), 5); |
|
51
|
|
|
$this->assertEquals($this->stack->pop(), 4); |
|
52
|
|
|
$this->assertEquals($this->stack->pop(), 3); |
|
53
|
|
|
$this->assertEquals($this->stack->pop(), 2); |
|
54
|
|
|
$this->assertEquals($this->stack->pop(), 1); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
public function testDequeueWithMaxSize() { |
|
58
|
|
|
$this->stack = new Stack(4); |
|
59
|
|
|
$this->stack->push(1); |
|
60
|
|
|
$this->stack->push(2); |
|
61
|
|
|
$this->stack->push(3); |
|
62
|
|
|
$this->stack->push(5); |
|
63
|
|
|
$this->expectException(FullException::class); |
|
64
|
|
|
$this->stack->push(6); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
public function testSize() { |
|
68
|
|
|
$this->stack = new Stack(); |
|
69
|
|
|
$this->assertEquals($this->stack->size(), 0); |
|
70
|
|
|
$this->stack->push(1); |
|
71
|
|
|
$this->assertEquals($this->stack->size(), 1); |
|
72
|
|
|
$this->stack->push(2); |
|
73
|
|
|
$this->assertEquals($this->stack->size(), 2); |
|
74
|
|
|
$this->stack->push(3); |
|
75
|
|
|
$this->assertEquals($this->stack->size(), 3); |
|
76
|
|
|
$this->stack->push(4); |
|
77
|
|
|
$this->assertEquals($this->stack->size(), 4); |
|
78
|
|
|
$this->stack->push(5); |
|
79
|
|
|
$this->assertEquals($this->stack->size(), 5); |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
public function testEmpty() { |
|
83
|
|
|
$this->stack = new Stack(); |
|
84
|
|
|
$this->assertTrue($this->stack->empty()); |
|
85
|
|
|
$this->stack->push(true); |
|
86
|
|
|
$this->assertFalse($this->stack->empty()); |
|
87
|
|
|
$this->stack->push("string"); |
|
88
|
|
|
$this->stack->push(3.14); |
|
89
|
|
|
$this->stack->pop(); |
|
90
|
|
|
$this->stack->pop(); |
|
91
|
|
|
$this->stack->pop(); |
|
92
|
|
|
$this->assertTrue($this->stack->empty()); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
public function testPeek() { |
|
96
|
|
|
$this->stack = new Stack(); |
|
97
|
|
|
$this->assertNull($this->stack->peek()); |
|
98
|
|
|
$this->stack->push(1000); |
|
99
|
|
|
$this->assertEquals($this->stack->peek(), 1000); |
|
100
|
|
|
$this->stack->push(false); |
|
101
|
|
|
$this->assertEquals($this->stack->peek(), false); |
|
102
|
|
|
$this->stack->push(3.14); |
|
103
|
|
|
$this->assertEquals($this->stack->peek(), 3.14); |
|
104
|
|
|
$this->stack->push(4); |
|
105
|
|
|
$this->assertEquals($this->stack->pop(), 4); |
|
106
|
|
|
$this->assertEquals($this->stack->peek(), 3.14); |
|
107
|
|
|
$this->assertEquals($this->stack->pop(), 3.14); |
|
108
|
|
|
$this->assertEquals($this->stack->peek(), false); |
|
109
|
|
|
$this->assertEquals($this->stack->pop(), false); |
|
110
|
|
|
$this->assertEquals($this->stack->peek(), 1000); |
|
111
|
|
|
$this->assertEquals($this->stack->pop(), 1000); |
|
112
|
|
|
$this->assertNull($this->stack->peek()); |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
public function testIsFull() { |
|
116
|
|
|
$this->stack = new Stack(); |
|
117
|
|
|
$this->assertFalse($this->stack->isFull()); |
|
118
|
|
|
$this->stack->push(['hello']); |
|
119
|
|
|
$this->stack->push(false); |
|
120
|
|
|
$this->stack->push(['hello']); |
|
121
|
|
|
$this->stack->push(false); |
|
122
|
|
|
$this->stack->push(['hello']); |
|
123
|
|
|
$this->stack->push(false); |
|
124
|
|
|
$this->stack->push(['hello']); |
|
125
|
|
|
$this->stack->push(false); |
|
126
|
|
|
$this->assertFalse($this->stack->isFull()); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
public function testIsFullWithMaxSize() { |
|
130
|
|
|
$this->stack = new Stack(2); |
|
131
|
|
|
$this->stack->push(['hello']); |
|
132
|
|
|
$this->stack->push(false); |
|
133
|
|
|
$this->assertTrue($this->stack->isFull()); |
|
134
|
|
|
$this->stack->pop(); |
|
135
|
|
|
$this->assertFalse($this->stack->isFull()); |
|
136
|
|
|
} |
|
137
|
|
|
} |
SiroDiaz /
DataStructures
