File: getFloat_extreme_range.phpt

package info (click to toggle)
php8.4 8.4.11-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 208,108 kB
  • sloc: ansic: 1,060,628; php: 35,345; sh: 11,866; cpp: 7,201; pascal: 4,913; javascript: 3,091; asm: 2,810; yacc: 2,411; makefile: 689; xml: 446; python: 301; awk: 148
file content (41 lines) | stat: -rw-r--r-- 803 bytes parent folder | download
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
--TEST--
Random: Randomizer: getFloat(): Extreme ranges are handled correctly
--FILE--
<?php

use Random\Engine;
use Random\Randomizer;

final class TestEngine implements Engine
{
    private array $values = [
        "\x64\xe8\x58\x79\x3e\xf6\x38\x00",
        "\x65\xe8\x58\x79\x3e\xf6\x38\x00",
        "\x00\x00\x00\x00\x00\x00\x00\x00",
    ];

    public function generate(): string
    {
        return \array_shift($this->values);
    }
}

$r = new Randomizer(new TestEngine());

$min = -1.6e308;
$max = 1.6e308;
printf("%.17g\n", $min);
printf("%.17g\n\n", $max);

printf("%.17g\n", $r->getFloat($min, $max));
printf("%.17g\n", $r->getFloat($min, $max));
printf("%.17g\n", $r->getFloat($min, $max));

?>
--EXPECT--
-1.6e+308
1.6e+308

-1.5999999999999998e+308
-1.6e+308
1.5999999999999998e+308