add test for fqcn attribute tokenization

Author: alekitto

tests/Core/Tokenizer/AttributesTest.inc

@@ -60,6 +60,10 @@ function single_attribute_on_parameter_test(#[ParamAttribute] int $param) {}
 /* testMultipleAttributesOnParameter */
 function multiple_attributes_on_parameter_test(#[ParamAttribute, AttributeWithParams(/* another comment */ 'foo')] int $param) {}
 
+/* testFqcnAttribute */
+#[Boo\QualifiedName, \Foo\FullyQualifiedName('foo')]
+function fqcn_attrebute_test() {}
+
 /* testMultilineAttributesOnParameter */
 function multiline_attributes_on_parameter_test(#[
     AttributeWithParams(

tests/Core/Tokenizer/AttributesTest.php

@@ -10,6 +10,7 @@
 namespace PHP_CodeSniffer\Tests\Core\Tokenizer;
 
 use PHP_CodeSniffer\Tests\Core\AbstractMethodUnitTest;
+use PHP_CodeSniffer\Util\Tokens;
 
 class AttributesTest extends AbstractMethodUnitTest
 {
@@ -217,6 +218,24 @@ public function dataAttribute()
                     T_WHITESPACE,
                 ],
             ],
+            [
+                '/* testFqcnAttribute */',
+                13,
+                [
+                    T_STRING,
+                    T_NS_SEPARATOR,
+                    T_STRING,
+                    T_COMMA,
+                    T_WHITESPACE,
+                    T_NS_SEPARATOR,
+                    T_STRING,
+                    T_NS_SEPARATOR,
+                    T_STRING,
+                    T_OPEN_PARENTHESIS,
+                    T_CONSTANT_ENCAPSED_STRING,
+                    T_CLOSE_PARENTHESIS,
+                ],
+            ],
         ];
 
     }//end dataAttribute()