Types/tests/Number/NonNegativeIntegerTest.php at 137dbf5d56995954d3021d5035e0c77074b0c25a · epignosis/Types · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
<?php

declare(strict_types=1);

namespace Epignosis\Types\Tests\Number;

use Epignosis\Types\Number\Integer;
use Epignosis\Types\Number\NonNegativeInteger;
use InvalidArgumentException;
use PHPUnit\Framework\TestCase;

final class NonNegativeIntegerTest extends TestCase
{
    public function test_CanBeCreatedFromPositiveInteger(): void
    {
        $result = (new NonNegativeInteger(42))->getValue();

        $this->assertEquals(42, $result);
    }

    public function test_CanBeCreatedFromZero(): void
    {
        $result = (new NonNegativeInteger(0))->getValue();

        $this->assertEquals(0, $result);
    }

    public function test_canBeCreatedFromNumericString(): void
    {
        $result = NonNegativeInteger::fromNumeric('42')->getValue();

        $this->assertEquals(42, $result);
    }

    public function test_canBeCreatedFromFloat(): void
    {
        $result = NonNegativeInteger::fromNumeric(42.3)->getValue();

        $this->assertEquals(42, $result);
    }

    public function test_CannotBeCreatedFromNegativeInteger(): void
    {
        $this->expectException(InvalidArgumentException::class);

        new NonNegativeInteger(-1);
    }

    public function test_IsEqualToSameTypeWithSameValue(): void
    {
        $integer1 = new NonNegativeInteger(42);
        $integer2 = new NonNegativeInteger(42);

        $this->assertTrue($integer1->equals($integer2));
        $this->assertTrue($integer2->equals($integer1));
    }

    public function test_IsNotEqualToSameTypeWithDifferentValue(): void
    {
        $integer1 = new NonNegativeInteger(1000);
        $integer2 = new NonNegativeInteger(1024);

        $this->assertFalse($integer1->equals($integer2));
        $this->assertFalse($integer2->equals($integer1));
    }

    public function test_isNotEqualToDifferentType(): void
    {
        $integer1 = new NonNegativeInteger(42);
        $integer2 = new Integer(42);

        $this->assertFalse($integer1->equals($integer2));
        $this->assertFalse($integer2->equals($integer1));
    }

    public function test_canNotBeCreatedFromNegativeNumericString(): void
    {
        $this->expectException(InvalidArgumentException::class);

        NonNegativeInteger::fromNumeric('-42');
    }

    public function test_canNotBeCreatedFromNegativeFloat(): void
    {
        $this->expectException(InvalidArgumentException::class);

        $result = NonNegativeInteger::fromNumeric(-42.3);
    }

    public function test_canNotBeCreatedFromNegativeNumeric(): void
    {
        $this->expectException(InvalidArgumentException::class);

        NonNegativeInteger::fromNumeric(-42);
    }
}