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32 lines
1.1 KiB
32 lines
1.1 KiB
8 years ago
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<?php
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namespace Tests\IecType;
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use PHPModbus\IecType;
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use PHPUnit\Framework\TestCase;
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class IecRealTest extends TestCase
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{
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private static function unPackReal2HexString($value, $bigEndian = 0)
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{
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return unpack('H*', IecType::iecREAL($value, $bigEndian))[1];
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}
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public function testIecRealEndianingOff()
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{
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$this->assertEquals('00000000', self::unPackReal2HexString(0));
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$this->assertEquals('00003f80', self::unPackReal2HexString(1));
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$this->assertEquals('0000c000', self::unPackReal2HexString(-2));
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$this->assertEquals('aaab3eaa', self::unPackReal2HexString(0.333333333333));
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$this->assertEquals('000041c8', self::unPackReal2HexString(25));
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}
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public function testIecRealEndianingOn()
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{
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$this->assertEquals('00000000', self::unPackReal2HexString(0, 1));
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$this->assertEquals('3f800000', self::unPackReal2HexString(1, 1));
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$this->assertEquals('c0000000', self::unPackReal2HexString(-2, 1));
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$this->assertEquals('3eaaaaab', self::unPackReal2HexString(0.333333333333, 1));
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$this->assertEquals('41c80000', self::unPackReal2HexString(25, 1));
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}
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}
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