Class constant is not a referenced name (fixes #21)

SlevomatCodingStandard/Helpers/ReferencedNameHelper.php

@@ -161,6 +161,7 @@ private static function isReferencedName(PHP_CodeSniffer_File $phpcsFile, $start
 			T_DOUBLE_COLON,
 			T_OBJECT_OPERATOR,
 			T_NAMESPACE,
+			T_CONST,
 		];
 
 		if ($previousToken['code'] === T_USE) {

tests/Helpers/ReferencedNameHelperTest.php

@@ -99,4 +99,13 @@ public function testReturnTypehint()
 		$this->assertSame('\OtherNamespace\Lorem', $names[1]->getNameAsReferencedInFile());
 	}
 
+	public function testConstantIsNotReferencedName()
+	{
+		$codeSnifferFile = $this->getCodeSnifferFile(
+			__DIR__ . '/data/class-constant.php'
+		);
+		$names = ReferencedNameHelper::getAllReferencedNames($codeSnifferFile, 0);
+		$this->assertCount(0, $names);
+	}
+
 }

tests/Helpers/data/class-constant.php

@@ -0,0 +1,8 @@
+<?php
+
+class Foo
+{
+
+	const URL = 'bar';
+
+}

tests/Sniffs/Namespaces/UnusedUsesSniffTest.php

@@ -86,4 +86,10 @@ public function testTypeWithUnderscoresInAnnotation()
 		$this->assertNoSniffError($report, 5);
 	}
 
+	public function testMatchingCaseOfUseAndClassConstant()
+	{
+		$report = $this->checkFile(__DIR__ . '/data/matchingCaseOfUseAndClassConstant.php');
+		$this->assertNoSniffErrorInFile($report);
+	}
+
 }

tests/Sniffs/Namespaces/data/matchingCaseOfUseAndClassConstant.php

@@ -0,0 +1,18 @@
+<?php declare(strict_types = 1);
+
+namespace Hele\Sms;
+
+use Nette\Http\Url;
+
+class Test
+{
+
+	const URL = 'https://foo.com';
+
+	public function sendMessage()
+	{
+		$url = new Url(self::URL);
+		$url->getAbsoluteUrl();
+	}
+
+}