--- ../test/ArgumentsTest.php	2026-07-11 01:11:38.667682178 +0300
+++ ../test/ArgumentsTest.php	2026-07-11 01:16:58.488754997 +0300
@@ -11,6 +11,7 @@
 use GetOpt\GetOpt;
 use GetOpt\Option;
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\Test;
 
 class ArgumentsTest extends TestCase
 {
@@ -22,7 +23,7 @@
         $this->getopt = new GetOpt();
     }
 
-    /** @test */
+    #[Test]
     public function parseNoOptions(): void
     {
         $this->getopt->process(Arguments::fromString('something'));
@@ -33,7 +34,7 @@
         self::assertSame('something', $operands[0]);
     }
 
-    /** @test */
+    #[Test]
     public function parseUnknownOption(): void
     {
         self::expectException(Unexpected::class);
@@ -42,7 +43,7 @@
         $this->getopt->process('-b');
     }
 
-    /** @test */
+    #[Test]
     public function unknownLongOption(): void
     {
         self::expectException(Unexpected::class);
@@ -51,7 +52,7 @@
         $this->getopt->process('--beta');
     }
 
-    /** @test */
+    #[Test]
     public function parseRequiredArgumentMissing(): void
     {
         self::expectException(Missing::class);
@@ -60,7 +61,7 @@
         $this->getopt->process('-a');
     }
 
-    /** @test */
+    #[Test]
     public function parseMultipleOptionsWithOneHyphen(): void
     {
         $this->getopt->addOptions([
@@ -75,7 +76,7 @@
         self::assertSame(1, $options['b']);
     }
 
-    /** @test */
+    #[Test]
     public function parseCumulativeOption(): void
     {
         $this->getopt->addOptions([
@@ -90,7 +91,7 @@
         self::assertSame(1, $options['b']);
     }
 
-    /** @test */
+    #[Test]
     public function parseCumulativeOptionShort(): void
     {
         $this->getopt->addOptions([
@@ -105,7 +106,7 @@
         self::assertSame(1, $options['b']);
     }
 
-    /** @test */
+    #[Test]
     public function parseShortOptionWithArgument(): void
     {
         $this->getopt->addOptions([
@@ -118,7 +119,7 @@
         self::assertSame('value', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function parseZeroArgument(): void
     {
         $this->getopt->addOptions([
@@ -131,7 +132,7 @@
         self::assertSame('0', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function parseNumericOption(): void
     {
         $this->getopt->addOptions([
@@ -146,7 +147,7 @@
         self::assertSame(1, $options['2']);
     }
 
-    /** @test */
+    #[Test]
     public function parseCollapsedShortOptionsRequiredArgumentMissing(): void
     {
         self::expectException(Missing::class);
@@ -157,7 +158,7 @@
         $this->getopt->process('-ab');
     }
 
-    /** @test */
+    #[Test]
     public function parseCollapsedShortOptionsWithArgument(): void
     {
         $this->getopt->addOptions([
@@ -171,7 +172,7 @@
         self::assertSame('value', $options['b']);
     }
 
-    /** @test */
+    #[Test]
     public function parseNoArgumentOptionAndOperand(): void
     {
         $this->getopt->addOptions([
@@ -186,7 +187,7 @@
         self::assertSame('b', $operands[0]);
     }
 
-    /** @test */
+    #[Test]
     public function parsedRequiredArgumentWithNoSpace(): void
     {
         $this->getopt->addOptions([
@@ -196,7 +197,8 @@
         $options = $this->getopt->getOptions();
         self::assertSame('password', $options['p']);
     }
-    /** @test */
+
+    #[Test]
     public function parseCollapsedRequiredArgumentWithNoSpace(): void
     {
         $this->getopt->addOptions([
@@ -209,7 +211,7 @@
         self::assertSame(3, $options['v']);
     }
 
-    /** @test */
+    #[Test]
     public function parseOperandsOnly(): void
     {
         $this->getopt->addOptions([
@@ -225,7 +227,7 @@
         self::assertSame('-b', $operands[1]);
     }
 
-    /** @test */
+    #[Test]
     public function parseLongOptionWithoutArgument(): void
     {
         $this->getopt->addOptions([
@@ -237,7 +239,7 @@
         self::assertSame(1, $options['option']);
     }
 
-    /** @test */
+    #[Test]
     public function parseLongOptionWithoutArgumentAndOperand(): void
     {
         $this->getopt->addOptions([
@@ -252,7 +254,7 @@
         self::assertSame('something', $operands[0]);
     }
 
-    /** @test */
+    #[Test]
     public function parseLongOptionWithArgument(): void
     {
         $this->getopt->addOptions([
@@ -265,7 +267,7 @@
         self::assertSame('value', $options['o']);
     }
 
-    /** @test */
+    #[Test]
     public function parseLongOptionWithEqualsSignAndArgument(): void
     {
         $this->getopt->addOptions([
@@ -280,7 +282,7 @@
         self::assertSame('something', $operands[0]);
     }
 
-    /** @test */
+    #[Test]
     public function parseLongOptionWithValueStartingWithHyphen(): void
     {
         $this->getopt->addOptions([
@@ -292,7 +294,7 @@
         self::assertSame('-value', $options['option']);
     }
 
-    /** @test */
+    #[Test]
     public function parseValueStartingWithHypenRequired(): void
     {
         $this->getopt->addOptions([
@@ -304,7 +306,7 @@
         self::assertSame('-b', $this->getopt->getOption('a'));
     }
 
-    /** @test */
+    #[Test]
     public function parseNoValueStartingWithHyphenOptional(): void
     {
         $this->getopt->addOptions([
@@ -318,7 +320,7 @@
         self::assertSame(1, $options['b']);
     }
 
-    /** @test */
+    #[Test]
     public function parseOptionWithDefaultValue(): void
     {
         $optionA = new Option('a', null, GetOpt::REQUIRED_ARGUMENT);
@@ -334,7 +336,7 @@
         self::assertSame(20, $options['beta']);
     }
 
-    /** @test */
+    #[Test]
     public function multipleArgumentOptions(): void
     {
         $this->getopt->addOption(new Option('a', null, GetOpt::MULTIPLE_ARGUMENT));
@@ -344,7 +346,7 @@
         self::assertSame(['value1', 'value2'], $this->getopt->getOption('a'));
     }
 
-    /** @test */
+    #[Test]
     public function doubleHyphenNotInOperands(): void
     {
         $this->getopt->addOptions([
@@ -361,7 +363,7 @@
         self::assertSame('baz', $operands[2]);
     }
 
-    /** @test */
+    #[Test]
     public function singleHyphenValue(): void
     {
         $this->getopt->addOptions([
@@ -383,7 +385,7 @@
         self::assertCount(0, $operands);
     }
 
-    /** @test */
+    #[Test]
     public function singleHyphenOperand(): void
     {
         $this->getopt->addOptions([
@@ -398,7 +400,7 @@
         self::assertSame('-', $operands[0]);
     }
 
-    /** @test */
+    #[Test]
     public function optionsAfterOperands(): void
     {
         $this->getopt->addOptions([
@@ -415,7 +417,7 @@
         self::assertSame(['operand'], $this->getopt->getOperands());
     }
 
-    /** @test */
+    #[Test]
     public function emptyOperandsAndOptionsWithString(): void
     {
         $this->getopt->addOptions([
@@ -428,7 +430,7 @@
         self::assertSame([''], $this->getopt->getOperands());
     }
 
-    /** @test */
+    #[Test]
     public function emptyOperandsAndOptionsWithArray(): void
     {
         $this->getopt->addOptions([
@@ -446,7 +448,7 @@
         self::assertSame([''], $this->getopt->getOperands());
     }
 
-    /** @test */
+    #[Test]
     public function spaceOperand(): void
     {
         $this->getopt->addOptions([]);
@@ -456,7 +458,7 @@
         self::assertSame([' '], $this->getopt->getOperands());
     }
 
-    /** @test */
+    #[Test]
     public function parseWithArgumentValidation(): void
     {
         $validation = 'is_numeric';
@@ -475,7 +477,7 @@
         self::assertSame(1, $options['c']);
     }
 
-    /** @test */
+    #[Test]
     public function parseInvalidArgument(): void
     {
         self::expectException(Invalid::class);
@@ -486,7 +488,7 @@
         $this->getopt->process('-a nonnumeric');
     }
 
-    /** @test */
+    #[Test]
     public function stringWithSingleQuotes(): void
     {
         $this->getopt->addOptions([
@@ -499,7 +501,7 @@
         self::assertSame('the value', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function stringWithDoubleQuotes(): void
     {
         $this->getopt->addOptions([
@@ -512,7 +514,7 @@
         self::assertSame('the value', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function singleQuotesInString(): void
     {
         $this->getopt->addOptions([
@@ -525,7 +527,7 @@
         self::assertSame('the \'', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function doubleQuotesInString(): void
     {
         $this->getopt->addOptions([
@@ -538,7 +540,7 @@
         self::assertSame('the "', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function quoteConcatenation(): void
     {
         $this->getopt->addOptions([
@@ -553,7 +555,7 @@
         self::assertSame('" inside double quote', $options['b']);
     }
 
-    /** @test */
+    #[Test]
     public function quoteEscapingDoubleQuote(): void
     {
         $this->getopt->process('-- "this \\" is a double quote"');
@@ -561,7 +563,7 @@
         self::assertSame('this " is a double quote', $this->getopt->getOperand(0));
     }
 
-    /** @test */
+    #[Test]
     public function quoteEscapingSingleQuote(): void
     {
         $this->getopt->process("-- 'this \\' is a single quote'");
@@ -569,7 +571,7 @@
         self::assertSame("this ' is a single quote", $this->getopt->getOperand(0));
     }
 
-    /** @test */
+    #[Test]
     public function linefeedAsSeparator(): void
     {
         $this->getopt->addOptions([
@@ -582,7 +584,7 @@
         self::assertSame('value', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function tabAsSeparator(): void
     {
         $this->getopt->addOptions([
@@ -595,7 +597,7 @@
         self::assertSame('value', $options['a']);
     }
 
-    /** @test */
+    #[Test]
     public function explictArguments(): void
     {
         $getopt = $this->getopt;
@@ -610,7 +612,7 @@
         $this->getopt->process('-a -b');
     }
 
-    /** @test */
+    #[Test]
     public function usingCommand(): void
     {
         $cmd = new Command('test', 'var_dump', [