SPSS\Tests\MachineFloatingPointTest

Complexity

Total Complexity

4

Size/Duplication

Total Lines	53
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	1

2 Methods

Rating	Name	Duplication	Size	Complexity
A	provider()	0	23	1
A	testWriteRead()	0	18	3

<?php

namespace SPSS\Tests;

use SPSS\Buffer;
use SPSS\Sav\Record\Info\MachineFloatingPoint;

class MachineFloatingPointTest extends TestCase
{
    public function provider()
    {
        return [
            [
                [
                    'sysmis' => -1,
                    'highest' => 5,
                    'lowest' => -10,
                ],
                [
                    'sysmis' => -1,
                    'highest' => 5,
                    'lowest' => -10,
                ],
            ],
            [
                [],
                // -1.7976931348623E+308 php min double
                //  1.7976931348623E+308 php max double
                [
                    'sysmis' => -1.7976931348623158E+308,
                    'highest' => 1.7976931348623158E+308,
                    'lowest' => -1.7976931348623158E+308,
                ],
            ],
        ];
    }

    /**
     * @dataProvider provider
     * @param array $attributes
     * @param array $expected
     */
    public function testWriteRead(array $attributes, array $expected)
    {
        $subject = new MachineFloatingPoint();
        foreach ($attributes as $key => $value) {
            $subject->{$key} = $value;
        }
        $buffer = Buffer::factory('', ['memory' => true]);
        $this->assertEquals(0, $buffer->position());
        $subject->write($buffer);
        $buffer->rewind();
        $buffer->skip(8);
        $read = MachineFloatingPoint::fill($buffer);
        $this->assertEquals(40, $buffer->position());
        foreach ($expected as $key => $value) {
            $expected = 0;
            $actual = bcsub($value, $read->{$key});
            $msg = "Wrong value received for '$key', expected '$value', got '{$read->{$key}}'";
            $this->assertEquals($expected, $actual, $msg);
        }
    }
}