UUIDv7TimeStampTest.php
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UUIDv7TimeStampTest.php
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	<?php

	namespace Keruald\OmniTools\Tests\DateTime;

	use DateTime;
	use InvalidArgumentException;

	use Keruald\OmniTools\Collections\BitsVector;
	use Keruald\OmniTools\DateTime\UUIDv7TimeStamp;
	use PHPUnit\Framework\TestCase;

	class UUIDv7TimeStampTest extends TestCase {

	const MAX_48 = 2**48 - 1;

	public function testFromUUIDv7 () {
	// UUID example from draft-peabody-dispatch-new-uuid-format-03 B.2
	$uuid = "017F21CF-D130-7CC3-98C4-DC0C0C07398F";

	$expected = BitsVector::fromInteger(0x017F21CFD130)
	->shapeCapacity(48);

	$timestamp = UUIDv7TimeStamp::fromUUIDv7($uuid);
	self::assertEquals(
	$expected->toArray(),
	$timestamp->toBitsVector()->toArray(),
	);
	}

	public function testFromBits () {
	$bits = BitsVector::fromInteger(0x017F21CFD130)
	->shapeCapacity(48);
	$timestamp = UUIDv7TimeStamp::fromBits($bits);

	$this->assertEquals(48, $timestamp->toBitsVector()->count());
	$this->assertSame(
	$bits->toArray(),
	$timestamp->toBitsVector()->toArray()
	);
	}

	public function testFromBitsWithWrongNumber () {
	$this->expectException(InvalidArgumentException::class);

	$bits = BitsVector::new(0); // too small, we need 48
	UUIDv7TimeStamp::fromBits($bits);
	}
	public function testFromIntegerWith48Bits() {
	$timestamp = UUIDv7TimeStamp::fromInteger(self::MAX_48);

	$expected = array_fill(0, 48, 1);
	$this->assertEquals($expected, $timestamp->toBitsVector()->toArray());

	}
	public function testFromIntegerWithTruncatedPrecision() {
	$timestamp = UUIDv7TimeStamp::fromInteger(PHP_INT_MAX);

	$expected = array_fill(0, 48, 1);
	$this->assertSame($expected, $timestamp->toBitsVector()->toArray());
	}

	public function testFromDateTime() {
	$time = DateTime::createFromFormat(
	"Y-m-d H:i:s",
	'2022-02-22 14:22:22'
	);
	$timestamp = UUIDv7TimeStamp::fromDateTime($time);

	$actual = $timestamp->toBitsVector()->toInteger();
	$this->assertEquals(0x017F21CFD130, $actual);
	}

	public function testToUnixTime() {
	$time = time();

	$actual = UUIDv7TimeStamp::fromUnixTime($time)
	->toBitsVector()
	->toInteger() / 1000;
	$this->assertEquals($time, $actual);
	}

	}

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