You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
1.1 KiB
31 lines
1.1 KiB
<?php
|
|
namespace Tests\IecType;
|
|
|
|
use PHPModbus\IecType;
|
|
use PHPUnit\Framework\TestCase;
|
|
|
|
class IecRealTest extends TestCase
|
|
{
|
|
private static function unPackReal2HexString($value, $bigEndian = 0)
|
|
{
|
|
return unpack('H*', IecType::iecREAL($value, $bigEndian))[1];
|
|
}
|
|
|
|
public function testIecRealEndianingOff()
|
|
{
|
|
$this->assertEquals('00000000', self::unPackReal2HexString(0));
|
|
$this->assertEquals('00003f80', self::unPackReal2HexString(1));
|
|
$this->assertEquals('0000c000', self::unPackReal2HexString(-2));
|
|
$this->assertEquals('aaab3eaa', self::unPackReal2HexString(0.333333333333));
|
|
$this->assertEquals('000041c8', self::unPackReal2HexString(25));
|
|
}
|
|
|
|
public function testIecRealEndianingOn()
|
|
{
|
|
$this->assertEquals('00000000', self::unPackReal2HexString(0, 1));
|
|
$this->assertEquals('3f800000', self::unPackReal2HexString(1, 1));
|
|
$this->assertEquals('c0000000', self::unPackReal2HexString(-2, 1));
|
|
$this->assertEquals('3eaaaaab', self::unPackReal2HexString(0.333333333333, 1));
|
|
$this->assertEquals('41c80000', self::unPackReal2HexString(25, 1));
|
|
}
|
|
}
|
|
|