Fixed annotation parsing in UnusedUsesSniff

Author: kukulich

SlevomatCodingStandard/Sniffs/Namespaces/UnusedUsesSniff.php

@@ -74,7 +74,7 @@ public function process(\PHP_CodeSniffer_File $phpcsFile, $openTagPointer)
 					$nameAsReferencedInFile = $useStatement->getNameAsReferencedInFile();
 					if (
 						preg_match('~^@' . preg_quote($nameAsReferencedInFile, '~') . '(?=[^a-z\\d]|$)~i', $tokens[$docCommentPointer]['content'])
-						|| preg_match('~(?<=^|[^a-z\\d\\\\])' . preg_quote($nameAsReferencedInFile, '~') . '(?=[^a-z\\d\\\\]|$)~i', $tokens[$docCommentPointer]['content'])
+						|| preg_match('~(?<=^|[^a-z\\d\\\\])' . preg_quote($nameAsReferencedInFile, '~') . '(?=\\\\|[^a-z\\d]|$)~i', $tokens[$docCommentPointer]['content'])
 					) {
 						unset($unusedNames[$i]);
 					}

tests/Sniffs/Namespaces/UnusedUsesSniffTest.php

@@ -93,6 +93,7 @@ public function testPartialUses()
 		$this->assertNoSniffError($this->getFileReport(), 20);
 		$this->assertNoSniffError($this->getFileReport(), 21);
 		$this->assertNoSniffError($this->getFileReport(), 22);
+		$this->assertNoSniffError($this->getFileReport(), 23);
 	}
 
 	public function testUsedUseInAnnotationWithDisabledSearchAnnotations()
@@ -101,7 +102,7 @@ public function testUsedUseInAnnotationWithDisabledSearchAnnotations()
 			'searchAnnotations' => false,
 		]);
 
-		$this->assertSame(5, $report->getErrorCount());
+		$this->assertSame(6, $report->getErrorCount());
 
 		$this->assertSniffError(
 			$report,
@@ -127,6 +128,12 @@ public function testUsedUseInAnnotationWithDisabledSearchAnnotations()
 			UnusedUsesSniff::CODE_UNUSED_USE,
 			'Type XX is not used in this file.'
 		);
+		$this->assertSniffError(
+			$report,
+			10,
+			UnusedUsesSniff::CODE_UNUSED_USE,
+			'Type XXX is not used in this file.'
+		);
 	}
 
 	public function testUsedUseInAnnotationWithEnabledSearchAnnotations()