From: =?utf-8?q?David_Pr=C3=A9vot?= <taffit@debian.org>
Date: Sun, 16 Feb 2025 12:39:55 +0100
Subject: Modernize PHPUnit syntax

---
 tests/Functional/Net/SFTPUserStoryTest.php | 47 ++++++++++++++++++++++++++++++
 tests/Functional/Net/SSH2AgentTest.php     |  2 ++
 tests/Functional/Net/SSH2Test.php          | 18 ++++++++++++
 tests/Unit/Crypt/AES/TestCase.php          |  4 +++
 tests/Unit/Crypt/BlowfishTest.php          |  2 ++
 tests/Unit/Crypt/DSA/CreateKeyTest.php     |  2 ++
 tests/Unit/Crypt/EC/CurveTest.php          |  7 +++++
 tests/Unit/Crypt/GCMTest.php               |  3 ++
 tests/Unit/Crypt/HashTest.php              |  7 +++++
 tests/Unit/Crypt/RC2Test.php               |  2 ++
 tests/Unit/Crypt/RC4Test.php               |  2 ++
 tests/Unit/Crypt/RSA/CreateKeyTest.php     |  2 ++
 tests/Unit/Crypt/RSA/LoadKeyTest.php       |  1 +
 tests/Unit/Crypt/RandomTest.php            |  2 ++
 tests/Unit/Crypt/Salsa20Test.php           |  2 ++
 tests/Unit/Crypt/TripleDESTest.php         |  4 +++
 tests/Unit/Net/SSH2UnitTest.php            | 21 +++++++++++++
 17 files changed, 128 insertions(+)

diff --git a/tests/Functional/Net/SFTPUserStoryTest.php b/tests/Functional/Net/SFTPUserStoryTest.php
index 650209c..86dd611 100644
--- a/tests/Functional/Net/SFTPUserStoryTest.php
+++ b/tests/Functional/Net/SFTPUserStoryTest.php
@@ -10,6 +10,8 @@ namespace phpseclib3\Tests\Functional\Net;
 
 use phpseclib3\Net\SFTP;
 use phpseclib3\Tests\PhpseclibFunctionalTestCase;
+use PHPUnit\Framework\Attributes\Depends;
+use PHPUnit\Framework\Attributes\Group;
 
 class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
 {
@@ -41,6 +43,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testConstructor */
+    #[Depends('testConstructor')]
     public function testPasswordLogin($sftp)
     {
         $username = $this->getEnv('SSH_USERNAME');
@@ -54,6 +57,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testPasswordLogin */
+    #[Depends('testPasswordLogin')]
     public function testPwdHome($sftp)
     {
         $this->assertEquals(
@@ -66,6 +70,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testPwdHome */
+    #[Depends('testPwdHome')]
     public function testMkDirScratch($sftp)
     {
         $dirname = self::$scratchDir;
@@ -86,6 +91,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testMkDirScratch */
+    #[Depends('testMkDirScratch')]
     public function testChDirScratch($sftp)
     {
         $this->assertTrue(
@@ -117,6 +123,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testChDirScratch */
+    #[Depends('testChDirScratch')]
     public function testStatOnDir($sftp)
     {
         $this->assertNotSame(
@@ -139,6 +146,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testStatOnDir */
+    #[Depends('testStatOnDir')]
     public function testPutSizeGetFile($sftp)
     {
         $this->assertTrue(
@@ -179,6 +187,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testStatOnDir */
+    #[Depends('testStatOnDir')]
     public function testPutSizeGetFileCallback($sftp)
     {
         self::$buffer = self::$exampleData;
@@ -203,6 +212,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testPutSizeGetFile */
+    #[Depends('testPutSizeGetFile')]
     public function testTouch($sftp)
     {
         $this->assertTrue(
@@ -219,6 +229,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testTouch */
+    #[Depends('testTouch')]
     public function testTruncate($sftp)
     {
         $this->assertTrue(
@@ -244,6 +255,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github850
      */
     /** @depends testTruncate */
+    #[Depends('testTruncate')]
+    #[Group('github850')]
     public function testChModOnFile($sftp)
     {
         $this->assertNotFalse(
@@ -255,6 +268,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testChModOnFile */
+    #[Depends('testChModOnFile')]
     public function testChDirOnFile($sftp)
     {
         $this->assertFalse(
@@ -266,6 +280,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testChDirOnFile */
+    #[Depends('testChDirOnFile')]
     public function testFileExistsIsFileIsDirFile($sftp)
     {
         $this->assertTrue(
@@ -287,6 +302,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testFileExistsIsFileIsDirFile */
+    #[Depends('testFileExistsIsFileIsDirFile')]
     public function testFileExistsIsFileIsDirFileNonexistent($sftp)
     {
         $this->assertFalse(
@@ -308,6 +324,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testFileExistsIsFileIsDirFileNonexistent */
+    #[Depends('testFileExistsIsFileIsDirFileNonexistent')]
     public function testSortOrder($sftp)
     {
         $this->assertTrue(
@@ -359,6 +376,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testSortOrder */
+    #[Depends('testSortOrder')]
     public function testResourceXfer($sftp)
     {
         $fp = fopen('res.txt', 'w+');
@@ -377,6 +395,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testResourceXfer */
+    #[Depends('testResourceXfer')]
     public function testSymlink($sftp)
     {
         $this->assertTrue(
@@ -388,6 +407,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testSymlink */
+    #[Depends('testSymlink')]
     public function testStatLstatCache($sftp)
     {
         $stat = $sftp->stat('symlink');
@@ -402,6 +422,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testStatLstatCache */
+    #[Depends('testStatLstatCache')]
     public function testLinkFile($sftp)
     {
         $this->assertTrue(
@@ -421,6 +442,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testLinkFile */
+    #[Depends('testLinkFile')]
     public function testReadlink($sftp)
     {
         $this->assertIsString(
@@ -435,6 +457,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github716
      */
     /** @depends testReadlink */
+    #[Depends('testReadlink')]
+    #[Group('github716')]
     public function testStatOnCWD($sftp)
     {
         $stat = $sftp->stat('.');
@@ -457,6 +481,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github402
      */
     /** @depends testStatOnCWD */
+    #[Depends('testStatOnCWD')]
+    #[Group('github402')]
     public function testStatcacheFix($sftp)
     {
         // Name used for both directory and file.
@@ -478,6 +504,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testStatcacheFix */
+    #[Depends('testStatcacheFix')]
     public function testChDirUpHome($sftp)
     {
         $this->assertTrue(
@@ -495,6 +522,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testChDirUpHome */
+    #[Depends('testChDirUpHome')]
     public function testFileExistsIsFileIsDirDir($sftp)
     {
         $this->assertTrue(
@@ -516,6 +544,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testFileExistsIsFileIsDirDir */
+    #[Depends('testFileExistsIsFileIsDirDir')]
     public function testTruncateLargeFile($sftp)
     {
         $filesize = (4 * 1024 + 16) * 1024 * 1024;
@@ -528,6 +557,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testTruncateLargeFile */
+    #[Depends('testTruncateLargeFile')]
     public function testRmDirScratch($sftp)
     {
         $this->assertFalse(
@@ -540,6 +570,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testRmDirScratch */
+    #[Depends('testRmDirScratch')]
     public function testDeleteRecursiveScratch($sftp)
     {
         $this->assertTrue(
@@ -552,6 +583,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testDeleteRecursiveScratch */
+    #[Depends('testDeleteRecursiveScratch')]
     public function testRmDirScratchNonexistent($sftp)
     {
         $this->assertFalse(
@@ -567,6 +599,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github706
      */
     /** @depends testRmDirScratchNonexistent */
+    #[Depends('testRmDirScratchNonexistent')]
+    #[Group('github706')]
     public function testDeleteEmptyDir($sftp)
     {
         $this->assertTrue(
@@ -601,6 +635,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github735
      */
     /** @depends testDeleteEmptyDir */
+    #[Depends('testDeleteEmptyDir')]
+    #[Group('github735')]
     public function testStatVsLstat($sftp)
     {
         $this->assertTrue($sftp->mkdir(self::$scratchDir));
@@ -648,6 +684,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github830
      */
     /** @depends testStatVsLstat */
+    #[Depends('testStatVsLstat')]
+    #[Group('github830')]
     public function testUploadOffsets($sftp)
     {
         $sftp->put('offset.txt', 'res.txt', SFTP::SOURCE_LOCAL_FILE, 0, 10);
@@ -668,6 +706,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testUploadOffsets */
+    #[Depends('testUploadOffsets')]
     public function testReadableWritable($sftp)
     {
         $sftp->chmod(0000, 'offset.txt');
@@ -691,6 +730,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github999
      */
     /** @depends testReadableWritable */
+    #[Depends('testReadableWritable')]
+    #[Group('github999')]
     public function testExecNlist($sftp)
     {
         $sftp->enablePTY();
@@ -704,6 +745,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testExecNlist */
+    #[Depends('testExecNlist')]
     public function testRawlistDisabledStatCache($sftp)
     {
         $this->assertTrue($sftp->mkdir(self::$scratchDir));
@@ -732,6 +774,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testRawlistDisabledStatCache */
+    #[Depends('testRawlistDisabledStatCache')]
     public function testChownChgrp($sftp)
     {
         $stat = $sftp->stat(self::$scratchDir);
@@ -750,6 +793,8 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
      * @group github1934
      */
     /** @depends testChownChgrp */
+    #[Depends('testChownChgrp')]
+    #[Group('github1934')]
     public function testCallableGetWithLength($sftp)
     {
         $sftp->put('test.txt', 'zzzzz');
@@ -761,6 +806,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testPasswordLogin */
+    #[Depends('testPasswordLogin')]
     public function testStatVfs($sftp)
     {
         $sftp->put('test.txt', 'aaaaa');
@@ -782,6 +828,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testPasswordLogin */
+    #[Depends('testPasswordLogin')]
     public function testPosixRename($sftp)
     {
         $sftp->put('test1.txt', 'aaaaa');
diff --git a/tests/Functional/Net/SSH2AgentTest.php b/tests/Functional/Net/SSH2AgentTest.php
index badaa62..b5ce99f 100644
--- a/tests/Functional/Net/SSH2AgentTest.php
+++ b/tests/Functional/Net/SSH2AgentTest.php
@@ -11,6 +11,7 @@ namespace phpseclib3\Tests\Functional\Net;
 use phpseclib3\Net\SSH2;
 use phpseclib3\System\SSH\Agent;
 use phpseclib3\Tests\PhpseclibFunctionalTestCase;
+use PHPUnit\Framework\Attributes\Depends;
 
 class SSH2AgentTest extends PhpseclibFunctionalTestCase
 {
@@ -38,6 +39,7 @@ class SSH2AgentTest extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testAgentLogin */
+    #[Depends('testAgentLogin')]
     public function testAgentForward($args)
     {
         $ssh = $args['ssh'];
diff --git a/tests/Functional/Net/SSH2Test.php b/tests/Functional/Net/SSH2Test.php
index ce5cb45..4597aad 100644
--- a/tests/Functional/Net/SSH2Test.php
+++ b/tests/Functional/Net/SSH2Test.php
@@ -11,6 +11,10 @@ namespace phpseclib3\Tests\Functional\Net;
 use phpseclib3\Exception\NoSupportedAlgorithmsException;
 use phpseclib3\Net\SSH2;
 use phpseclib3\Tests\PhpseclibFunctionalTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Depends;
+use PHPUnit\Framework\Attributes\Group;
+use PHPUnit\Framework\Attributes\RequiresPhpunit;
 
 class SSH2Test extends PhpseclibFunctionalTestCase
 {
@@ -56,6 +60,9 @@ class SSH2Test extends PhpseclibFunctionalTestCase
      * @group github412
      */
     /** @depends testConstructor */
+    #[Depends('testConstructor')]
+    #[Group('github408')]
+    #[Group('github412')]
     public function testPreLogin(SSH2 $ssh)
     {
         $this->assertFalse(
@@ -98,6 +105,7 @@ class SSH2Test extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testPreLogin */
+    #[Depends('testPreLogin')]
     public function testBadPassword(SSH2 $ssh)
     {
         $username = $this->getEnv('SSH_USERNAME');
@@ -126,6 +134,7 @@ class SSH2Test extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testBadPassword */
+    #[Depends('testBadPassword')]
     public function testPasswordLogin(SSH2 $ssh)
     {
         $username = $this->getEnv('SSH_USERNAME');
@@ -153,6 +162,9 @@ class SSH2Test extends PhpseclibFunctionalTestCase
      * @requires PHPUnit < 10
      */
     /** @depends testPasswordLogin */
+    #[Depends('testPasswordLogin')]
+    #[Group('github280')]
+    #[RequiresPhpunit('< 10')]
     public function testExecWithMethodCallback(SSH2 $ssh)
     {
         $callbackObject = $this->getMockBuilder('stdClass')
@@ -207,6 +219,8 @@ class SSH2Test extends PhpseclibFunctionalTestCase
      * @group github1009
      */
     /** @depends testExecWithMethodCallback */
+    #[Depends('testExecWithMethodCallback')]
+    #[Group('github1009')]
     public function testDisablePTY(SSH2 $ssh)
     {
         $ssh->enablePTY();
@@ -277,6 +291,8 @@ class SSH2Test extends PhpseclibFunctionalTestCase
      * @group github1167
      */
     /** @depends testDisablePTY */
+    #[Depends('testDisablePTY')]
+    #[Group('github1167')]
     public function testChannelDataAfterOpen(SSH2 $ssh)
     {
         // Ubuntu's OpenSSH from 5.8 to 6.9 didn't work with multiple channels. see
@@ -392,6 +408,7 @@ class SSH2Test extends PhpseclibFunctionalTestCase
     }
 
     /** @depends testOpenShell */
+    #[Depends('testOpenShell')]
     public function testResetOpenShell(SSH2 $ssh)
     {
         $ssh->reset();
@@ -629,6 +646,7 @@ class SSH2Test extends PhpseclibFunctionalTestCase
      * @param string $algorithm
      */
     /** @dataProvider getCryptoAlgorithms */
+    #[DataProvider('getCryptoAlgorithms')]
     public function testCryptoAlgorithms($type, $algorithm)
     {
         $ssh = $this->getSSH2();
diff --git a/tests/Unit/Crypt/AES/TestCase.php b/tests/Unit/Crypt/AES/TestCase.php
index f8adb69..4373f36 100644
--- a/tests/Unit/Crypt/AES/TestCase.php
+++ b/tests/Unit/Crypt/AES/TestCase.php
@@ -13,6 +13,7 @@ use phpseclib3\Crypt\Rijndael;
 use phpseclib3\Exception\InconsistentSetupException;
 use phpseclib3\Exception\InsufficientSetupException;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 abstract class TestCase extends PhpseclibTestCase
 {
@@ -71,6 +72,7 @@ abstract class TestCase extends PhpseclibTestCase
     }
 
     /** @dataProvider continuousBufferCombos */
+    #[DataProvider('continuousBufferCombos')]
     public function testEncryptDecryptWithContinuousBuffer($mode, $plaintext, $iv, $key)
     {
         $aes = new AES($mode);
@@ -182,6 +184,7 @@ abstract class TestCase extends PhpseclibTestCase
     }
 
     /** @dataProvider continuousBufferBatteryCombos */
+    #[DataProvider('continuousBufferBatteryCombos')]
     public function testContinuousBufferBattery($op, $mode, $test)
     {
         $iv = str_repeat('x', 16);
@@ -226,6 +229,7 @@ abstract class TestCase extends PhpseclibTestCase
      * Pretty much the same as testContinuousBufferBattery with the caveat that continuous mode is not enabled.
      */
     /** @dataProvider continuousBufferBatteryCombosWithoutSingleCombos */
+    #[DataProvider('continuousBufferBatteryCombosWithoutSingleCombos')]
     public function testNonContinuousBufferBattery($op, $mode, $test)
     {
         $iv = str_repeat('x', 16);
diff --git a/tests/Unit/Crypt/BlowfishTest.php b/tests/Unit/Crypt/BlowfishTest.php
index 8237aaa..149d2a5 100644
--- a/tests/Unit/Crypt/BlowfishTest.php
+++ b/tests/Unit/Crypt/BlowfishTest.php
@@ -11,6 +11,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 use phpseclib3\Crypt\Blowfish;
 use phpseclib3\Crypt\Random;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class BlowfishTest extends PhpseclibTestCase
 {
@@ -74,6 +75,7 @@ class BlowfishTest extends PhpseclibTestCase
     }
 
     /** @dataProvider engineVectors */
+    #[DataProvider('engineVectors')]
     public function testVectors($engine, $key, $plaintext, $expected)
     {
         $bf = new Blowfish('cbc');
diff --git a/tests/Unit/Crypt/DSA/CreateKeyTest.php b/tests/Unit/Crypt/DSA/CreateKeyTest.php
index c87f5fd..1263346 100644
--- a/tests/Unit/Crypt/DSA/CreateKeyTest.php
+++ b/tests/Unit/Crypt/DSA/CreateKeyTest.php
@@ -13,6 +13,7 @@ use phpseclib3\Crypt\DSA\Parameters;
 use phpseclib3\Crypt\DSA\PrivateKey;
 use phpseclib3\Crypt\DSA\PublicKey;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\Depends;
 
 /**
  * @requires PHP 7.0
@@ -39,6 +40,7 @@ class CreateKeyTest extends PhpseclibTestCase
     }
 
     /** @depends testCreateParameters */
+    #[Depends('testCreateParameters')]
     public function testCreateKey($params)
     {
         $privatekey = DSA::createKey();
diff --git a/tests/Unit/Crypt/EC/CurveTest.php b/tests/Unit/Crypt/EC/CurveTest.php
index 068831d..624ad31 100644
--- a/tests/Unit/Crypt/EC/CurveTest.php
+++ b/tests/Unit/Crypt/EC/CurveTest.php
@@ -13,6 +13,7 @@ use phpseclib3\Crypt\EC\Curves\Ed448;
 use phpseclib3\Crypt\PublicKeyLoader;
 use phpseclib3\File\ASN1;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class CurveTest extends PhpseclibTestCase
 {
@@ -79,6 +80,7 @@ class CurveTest extends PhpseclibTestCase
      * Verify that the base points are correct and verify the finite field math
      */
     /** @dataProvider curves */
+    #[DataProvider('curves')]
     public function testBasePoint($name)
     {
         $class = 'phpseclib3\Crypt\EC\Curves\\' . $name;
@@ -92,6 +94,7 @@ class CurveTest extends PhpseclibTestCase
      * @requires PHP 7.0
      */
      /** @dataProvider curves */
+    #[DataProvider('curves')]
     public function testKeyGeneration($name)
     {
         $class = 'phpseclib3\Crypt\EC\Curves\\' . $name;
@@ -105,6 +108,7 @@ class CurveTest extends PhpseclibTestCase
      * Verify that OIDs have corresponding curve class
      */
     /** @dataProvider curvesWithOIDs */
+    #[DataProvider('curvesWithOIDs')]
     public function testCurveExistance($name)
     {
         $this->assertFileExists(__DIR__ . "/../../../../phpseclib/Crypt/EC/Curves/$name.php");
@@ -114,6 +118,7 @@ class CurveTest extends PhpseclibTestCase
      * Verify that all named curves have a corresponding OID
      */
     /** @dataProvider allCurves */
+    #[DataProvider('allCurves')]
     public function testOIDExistance($name)
     {
         switch ($name) {
@@ -130,6 +135,7 @@ class CurveTest extends PhpseclibTestCase
      * @requires PHP 7.0
      */
     /** @dataProvider curves */
+    #[DataProvider('curves')]
     public function testInternalSign($name)
     {
         // tests utilizing dataProvider only seem to output when all the dataProvider input
@@ -175,6 +181,7 @@ class CurveTest extends PhpseclibTestCase
      * @requires PHP 7.0
      */
     /** @dataProvider curves */
+    #[DataProvider('curves')]
     public function testInternalVerify($name)
     {
         if (substr($name, 0, 4) == 'sect') {
diff --git a/tests/Unit/Crypt/GCMTest.php b/tests/Unit/Crypt/GCMTest.php
index 27bcb2c..2b26e82 100644
--- a/tests/Unit/Crypt/GCMTest.php
+++ b/tests/Unit/Crypt/GCMTest.php
@@ -10,6 +10,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 
 use phpseclib3\Crypt\AES;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class GCMTest extends PhpseclibTestCase
 {
@@ -105,6 +106,7 @@ class GCMTest extends PhpseclibTestCase
     }
 
     /** @dataProvider engine128Vectors */
+    #[DataProvider('engine128Vectors')]
     public function test128Vectors($engine, $key, $plaintext, $nonce, $aad, $ciphertext, $tag)
     {
         $aes = new AES('gcm');
@@ -216,6 +218,7 @@ class GCMTest extends PhpseclibTestCase
     }
 
     /** @dataProvider engine256Vectors */
+    #[DataProvider('engine256Vectors')]
     public function test256Vectors($engine, $key, $plaintext, $nonce, $aad, $ciphertext, $tag)
     {
         $aes = new AES('gcm');
diff --git a/tests/Unit/Crypt/HashTest.php b/tests/Unit/Crypt/HashTest.php
index 5dd4cb1..0dd5e37 100644
--- a/tests/Unit/Crypt/HashTest.php
+++ b/tests/Unit/Crypt/HashTest.php
@@ -11,6 +11,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 use phpseclib3\Crypt\Hash;
 use phpseclib3\Exception\UnsupportedAlgorithmException;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class HashTest extends PhpseclibTestCase
 {
@@ -169,12 +170,14 @@ class HashTest extends PhpseclibTestCase
     }
 
     /** @dataProvider hmacData */
+    #[DataProvider('hmacData')]
     public function testHMAC($hash, $key, $message, $result)
     {
         $this->assertHMACsTo($hash, $key, $message, $result);
     }
 
     /** @dataProvider hmacData */
+    #[DataProvider('hmacData')]
     public function testHMAC96($hash, $key, $message, $result)
     {
         if ($hash == 'aes_cmac') {
@@ -395,12 +398,14 @@ class HashTest extends PhpseclibTestCase
     }
 
     /** @dataProvider hashData */
+    #[DataProvider('hashData')]
     public function testHash($hash, $message, $result)
     {
         $this->assertHashesTo($hash, $message, $result);
     }
 
     /** @dataProvider hashData */
+    #[DataProvider('hashData')]
     public function testHash96($hash, $message, $result)
     {
         if (preg_match('#^sha3-\d+#', $hash) || preg_match('#^shake(?:128|256)-\d+#', $hash) || $hash === 'keccak256') {
@@ -439,6 +444,7 @@ class HashTest extends PhpseclibTestCase
     }
 
     /** @dataProvider lengths */
+    #[DataProvider('lengths')]
     public function testGetLengthKnown($algorithm, $length)
     {
         $hash = new Hash($algorithm);
@@ -490,6 +496,7 @@ class HashTest extends PhpseclibTestCase
     }
 
     /** @dataProvider UMACs */
+    #[DataProvider('UMACs')]
     public function testUMACs($message, $algo, $tag, $error)
     {
         $k = 'abcdefghijklmnop'; // A 16-byte UMAC key
diff --git a/tests/Unit/Crypt/RC2Test.php b/tests/Unit/Crypt/RC2Test.php
index 6f7ba35..bb8c9b5 100644
--- a/tests/Unit/Crypt/RC2Test.php
+++ b/tests/Unit/Crypt/RC2Test.php
@@ -10,6 +10,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 
 use phpseclib3\Crypt\RC2;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class RC2Test extends PhpseclibTestCase
 {
@@ -110,6 +111,7 @@ class RC2Test extends PhpseclibTestCase
     }
 
     /** @dataProvider engineVectors */
+    #[DataProvider('engineVectors')]
     public function testVectors($engine, $key, $keyLen, $plaintext, $ciphertext)
     {
         $rc2 = new RC2('cbc');
diff --git a/tests/Unit/Crypt/RC4Test.php b/tests/Unit/Crypt/RC4Test.php
index 0a45e7b..d6e51d9 100644
--- a/tests/Unit/Crypt/RC4Test.php
+++ b/tests/Unit/Crypt/RC4Test.php
@@ -11,6 +11,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 use phpseclib3\Crypt\Random;
 use phpseclib3\Crypt\RC4;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class RC4Test extends PhpseclibTestCase
 {
@@ -201,6 +202,7 @@ class RC4Test extends PhpseclibTestCase
     }
 
     /** @dataProvider engineVectors */
+    #[DataProvider('engineVectors')]
     public function testVectors($engine, $key, $offset, $expected)
     {
         $rc4 = new RC4();
diff --git a/tests/Unit/Crypt/RSA/CreateKeyTest.php b/tests/Unit/Crypt/RSA/CreateKeyTest.php
index 913b760..a0988a2 100644
--- a/tests/Unit/Crypt/RSA/CreateKeyTest.php
+++ b/tests/Unit/Crypt/RSA/CreateKeyTest.php
@@ -14,6 +14,7 @@ use phpseclib3\Crypt\RSA\Formats\Keys\PKCS8;
 use phpseclib3\Crypt\RSA\PrivateKey;
 use phpseclib3\Crypt\RSA\PublicKey;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\Depends;
 
 class CreateKeyTest extends PhpseclibTestCase
 {
@@ -32,6 +33,7 @@ class CreateKeyTest extends PhpseclibTestCase
     }
 
     /** @depends testCreateKey */
+    #[Depends('testCreateKey')]
     public function testEncryptDecrypt($args)
     {
         list($publickey, $privatekey) = $args;
diff --git a/tests/Unit/Crypt/RSA/LoadKeyTest.php b/tests/Unit/Crypt/RSA/LoadKeyTest.php
index 566fcc3..607cf20 100644
--- a/tests/Unit/Crypt/RSA/LoadKeyTest.php
+++ b/tests/Unit/Crypt/RSA/LoadKeyTest.php
@@ -62,6 +62,7 @@ class LoadKeyTest extends PhpseclibTestCase
     }
 
     /** @dataProvider getGarbageStrings */
+    #[DataProvider('getGarbageStrings')]
     public function testBadKey($key)
     {
         $this->expectException(NoKeyLoadedException::class);
diff --git a/tests/Unit/Crypt/RandomTest.php b/tests/Unit/Crypt/RandomTest.php
index 5ab3fe0..acddf94 100644
--- a/tests/Unit/Crypt/RandomTest.php
+++ b/tests/Unit/Crypt/RandomTest.php
@@ -10,6 +10,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 
 use phpseclib3\Crypt\Random;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class RandomTest extends PhpseclibTestCase
 {
@@ -25,6 +26,7 @@ class RandomTest extends PhpseclibTestCase
     }
 
     /** @dataProvider stringLengthData */
+    #[DataProvider('stringLengthData')]
     public function testStringLength($length)
     {
         $this->assertSame(
diff --git a/tests/Unit/Crypt/Salsa20Test.php b/tests/Unit/Crypt/Salsa20Test.php
index 82a3162..b811db8 100644
--- a/tests/Unit/Crypt/Salsa20Test.php
+++ b/tests/Unit/Crypt/Salsa20Test.php
@@ -10,6 +10,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 
 use phpseclib3\Crypt\Salsa20;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class Salsa20Test extends PhpseclibTestCase
 {
@@ -145,6 +146,7 @@ class Salsa20Test extends PhpseclibTestCase
     }
 
     /** @dataProvider engineVectors */
+    #[DataProvider('engineVectors')]
     public function testVectors($engine, $key, $iv, $expected)
     {
         $cipher = new Salsa20();
diff --git a/tests/Unit/Crypt/TripleDESTest.php b/tests/Unit/Crypt/TripleDESTest.php
index 7f35f73..b0282d3 100644
--- a/tests/Unit/Crypt/TripleDESTest.php
+++ b/tests/Unit/Crypt/TripleDESTest.php
@@ -10,6 +10,7 @@ namespace phpseclib3\Tests\Unit\Crypt;
 
 use phpseclib3\Crypt\TripleDES;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class TripleDESTest extends PhpseclibTestCase
 {
@@ -104,6 +105,7 @@ class TripleDESTest extends PhpseclibTestCase
     }
 
     /** @dataProvider engineVectors */
+    #[DataProvider('engineVectors')]
     public function testVectors($engine, $key, $plaintext, $expected)
     {
         $des = new TripleDES('cbc');
@@ -155,6 +157,7 @@ class TripleDESTest extends PhpseclibTestCase
     }
 
     /** @dataProvider engineIVVectors */
+    #[DataProvider('engineIVVectors')]
     public function testVectorsWithIV($engine, $key, $iv, $plaintext, $expected)
     {
         $des = new TripleDES('cbc');
@@ -196,6 +199,7 @@ class TripleDESTest extends PhpseclibTestCase
      * @return void
      */
     /** @dataProvider provideForCorrectSelfUseInLambda */
+    #[DataProvider('provideForCorrectSelfUseInLambda')]
     public function testCorrectSelfUseInLambda($key, $expectedCiphertext)
     {
         $td = new TripleDES('ecb');
diff --git a/tests/Unit/Net/SSH2UnitTest.php b/tests/Unit/Net/SSH2UnitTest.php
index 13e8a58..2413eed 100644
--- a/tests/Unit/Net/SSH2UnitTest.php
+++ b/tests/Unit/Net/SSH2UnitTest.php
@@ -13,6 +13,8 @@ use phpseclib3\Exception\InsufficientSetupException;
 use phpseclib3\Exception\TimeoutException;
 use phpseclib3\Net\SSH2;
 use phpseclib3\Tests\PhpseclibTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\RequiresPhpunit;
 
 class SSH2UnitTest extends PhpseclibTestCase
 {
@@ -37,6 +39,7 @@ class SSH2UnitTest extends PhpseclibTestCase
      * @requires PHPUnit < 10
      * Verify that MASK_* constants remain distinct
      */
+    #[RequiresPhpunit('< 10')]
     public function testBitmapMasks()
     {
         $reflection = new \ReflectionClass(SSH2::class);
@@ -55,6 +58,8 @@ class SSH2UnitTest extends PhpseclibTestCase
      * @requires PHPUnit < 10
      */
     /** @dataProvider formatLogDataProvider */
+    #[DataProvider('formatLogDataProvider')]
+    #[RequiresPhpunit('< 10')]
     public function testFormatLog(array $message_log, array $message_number_log, $expected)
     {
         $ssh = $this->createSSHMock();
@@ -66,6 +71,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testGenerateIdentifier()
     {
         $identifier = self::callFunc($this->createSSHMock(), 'generate_identifier');
@@ -101,6 +107,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testGetExitStatusIfNotConnected()
     {
         $ssh = $this->createSSHMock();
@@ -111,6 +118,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testPTYIDefaultValue()
     {
         $ssh = $this->createSSHMock();
@@ -120,6 +128,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testEnablePTY()
     {
         $ssh = $this->createSSHMock();
@@ -134,6 +143,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testQuietModeDefaultValue()
     {
         $ssh = $this->createSSHMock();
@@ -144,6 +154,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testEnableQuietMode()
     {
         $ssh = $this->createSSHMock();
@@ -170,6 +181,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testReadUnauthenticated()
     {
         $this->expectException(InsufficientSetupException::class);
@@ -183,6 +195,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testWriteUnauthenticated()
     {
         $this->expectException(InsufficientSetupException::class);
@@ -196,6 +209,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testWriteOpensShell()
     {
         $ssh = $this->getMockBuilder(SSH2::class)
@@ -218,6 +232,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testOpenShellWhenOpen()
     {
         $ssh = $this->getMockBuilder(SSH2::class)
@@ -244,6 +259,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testGetStreamTimeout()
     {
         $default = ini_get('default_socket_timeout');
@@ -295,6 +311,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testSendChannelPacketNoBufferedData()
     {
         $ssh = $this->getMockBuilder('phpseclib3\Net\SSH2')
@@ -322,6 +339,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testSendChannelPacketBufferedData()
     {
         $ssh = $this->getMockBuilder('phpseclib3\Net\SSH2')
@@ -350,6 +368,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testSendChannelPacketTimeout()
     {
         $this->expectException(TimeoutException::class);
@@ -380,6 +399,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testSendChannelPacketNoWindowAdjustment()
     {
         $this->expectException(\RuntimeException::class);
@@ -405,6 +425,7 @@ class SSH2UnitTest extends PhpseclibTestCase
     /**
      * @requires PHPUnit < 10
      */
+    #[RequiresPhpunit('< 10')]
     public function testDisconnectHelper()
     {
         $ssh = $this->getMockBuilder('phpseclib3\Net\SSH2')