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
97
|
<?php
/**
* Test: Nette\Utils\Iterables::every()
*/
declare(strict_types=1);
use Nette\Utils\Iterables;
use Tester\Assert;
require __DIR__ . '/../bootstrap.php';
test('empty iterable bypasses callback with false return', function () {
$arr = new ArrayIterator([]);
$log = [];
$res = Iterables::every(
$arr,
function ($v, $k, $arr) use (&$log) {
$log[] = func_get_args();
return false;
},
);
Assert::true($res);
Assert::same([], $log);
});
test('empty iterable bypasses callback with true return', function () {
$arr = new ArrayIterator([]);
$log = [];
$res = Iterables::every(
$arr,
function ($v, $k, $arr) use (&$log) {
$log[] = func_get_args();
return true;
},
);
Assert::true($res);
Assert::same([], $log);
});
test('stops iteration on first false value', function () {
$arr = new ArrayIterator(['a', 'b']);
$log = [];
$res = Iterables::every(
$arr,
function ($v, $k, $arr) use (&$log) {
$log[] = func_get_args();
return false;
},
);
Assert::false($res);
Assert::same([['a', 0, $arr]], $log);
});
test('processes all elements returning true', function () {
$arr = new ArrayIterator(['a', 'b']);
$log = [];
$res = Iterables::every(
$arr,
function ($v, $k, $arr) use (&$log) {
$log[] = func_get_args();
return true;
},
);
Assert::true($res);
Assert::same([['a', 0, $arr], ['b', 1, $arr]], $log);
});
test('terminates when element does not match condition', function () {
$arr = new ArrayIterator(['a', 'b']);
$log = [];
$res = Iterables::every(
$arr,
function ($v, $k, $arr) use (&$log) {
$log[] = func_get_args();
return $v === 'a';
},
);
Assert::false($res);
Assert::same([['a', 0, $arr], ['b', 1, $arr]], $log);
});
test('iterates associative iterable with all true results', function () {
$arr = new ArrayIterator(['x' => 'a', 'y' => 'b']);
$log = [];
$res = Iterables::every(
$arr,
function ($v, $k, $arr) use (&$log) {
$log[] = func_get_args();
return true;
},
);
Assert::true($res);
Assert::same([['a', 'x', $arr], ['b', 'y', $arr]], $log);
});
|
