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Add methods for UInt32LE #6

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Add methods for UInt32LE #6

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34 changes: 34 additions & 0 deletions src/ByteBuffer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -438,6 +438,40 @@ public function consumeUint32(): int
return $r;
}

/**
* @param int $value
*
* @return static
*/
public function appendUint32LE(int $value): self
{
return $this->append(\pack("V", $value));
}

/**
* @param int $offset
*
* @return int
* @throws BufferOverflow
*/
public function readUint32LE(int $offset = 0): int
{
return \unpack("V", $this->read(4, $offset))[1];
}

/**
* @return int
* @throws BufferOverflow
*/
public function consumeUint32LE(): int
{
$r = \unpack("V", $this->data)[1];

$this->discard(4);

return $r;
}

/**
* @param int $value
*
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15 changes: 15 additions & 0 deletions tests/ByteBufferTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -321,6 +321,11 @@ public function testReadUint32()
self::assertEquals(0xA9782361, (new Buffer("\xA9\x78\x23\x61"))->readUint32());
}

public function testReadUint32LE()
{
self::assertEquals(0xA9782361, (new Buffer("\x61\x23\x78\xA9"))->readUint32LE());
}

public function testReadInt32()
{
self::assertEquals(0xA9782361 - 0x100000000, (new Buffer("\xA9\x78\x23\x61"))->readInt32());
Expand All @@ -331,6 +336,11 @@ public function testConsumeUint32()
self::assertEquals(0xA9782361, (new Buffer("\xA9\x78\x23\x61"))->consumeUint32());
}

public function testConsumeUint32LE()
{
self::assertEquals(0xA9782361, (new Buffer("\x61\x23\x78\xA9"))->consumeUint32LE());
}

public function testConsumeInt32()
{
self::assertEquals(0xA9782361 - 0x100000000, (new Buffer("\xA9\x78\x23\x61"))->consumeInt32());
Expand All @@ -341,6 +351,11 @@ public function testAppendUint32()
self::assertEquals("\xA9\x78\x23\x61", (new Buffer)->appendUint32(0xA9782361)->read(4));
}

public function testAppendUint32LE()
{
self::assertEquals("\x61\x23\x78\xA9", (new Buffer)->appendUint32LE(0xA9782361)->read(4));
}

public function testAppendInt32()
{
self::assertEquals("\xA9\x78\x23\x61", (new Buffer)->appendInt32(0xA9782361)->read(4));
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