Squiz/ScopeKeywordSpacing: add more defensive coding + extra tests

src/Standards/Squiz/Sniffs/WhiteSpace/ScopeKeywordSpacingSniff.php

@@ -127,6 +127,9 @@ public function process(File $phpcsFile, $stackPtr)
 
         if ($tokens[($stackPtr + 1)]['code'] !== T_WHITESPACE) {
             $spacing = 0;
+        } else if (isset($tokens[($stackPtr + 2)]) === false) {
+            // Parse error/live coding. Bow out.
+            return;
         } else {
             if ($tokens[($stackPtr + 2)]['line'] !== $tokens[$stackPtr]['line']) {
                 $spacing = 'newline';

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.inc → src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.1.inc

@@ -95,9 +95,9 @@ public static function fCreate($attributes = []): ?static
 }
 
 // Also account for static used within union types.
-public function fCreate($attributes = []): object|static
-{
-}
+public function staticLast($attributes = []): object|static {}
+public function staticMiddle(): string|static|object {}
+public function staticFirst(): static|object {}
 
 // Ensure that static as a scope keyword when preceeded by a colon which is not for a type declaration is still handled.
 $callback = $cond ? get_fn_name() : static  function ($a) { return $a * 10; };

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.inc.fixed → src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.1.inc.fixed

@@ -90,9 +90,9 @@ public static function fCreate($attributes = []): ?static
 }
 
 // Also account for static used within union types.
-public function fCreate($attributes = []): object|static
-{
-}
+public function staticLast($attributes = []): object|static {}
+public function staticMiddle(): string|static|object {}
+public function staticFirst(): static|object {}
 
 // Ensure that static as a scope keyword when preceeded by a colon which is not for a type declaration is still handled.
 $callback = $cond ? get_fn_name() : static function ($a) { return $a * 10; };

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.2.inc

@@ -0,0 +1,6 @@
+<?php
+
+// Intentional parse error.
+// Testing that the sniff does not throw an "Undefined array key" notice during live coding.
+// This must be the only test in this file.
+readonly

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.3.inc

@@ -0,0 +1,6 @@
+<?php
+
+// Intentional parse error.
+// Testing that the sniff still adds a space when there is only a comment after the keyword during live coding.
+// This must be the only test in this file.
+readonly/*comment*/

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.3.inc.fixed

@@ -0,0 +1,6 @@
+<?php
+
+// Intentional parse error.
+// Testing that the sniff still adds a space when there is only a comment after the keyword during live coding.
+// This must be the only test in this file.
+readonly /*comment*/

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.php

@@ -26,33 +26,44 @@ class ScopeKeywordSpacingUnitTest extends AbstractSniffUnitTest
      * The key of the array should represent the line number and the value
      * should represent the number of errors that should occur on that line.
      *
+     * @param string $testFile The name of the file being tested.
+     *
      * @return array<int, int>
      */
-    public function getErrorList()
+    public function getErrorList($testFile='')
     {
-        return [
-            7   => 2,
-            8   => 1,
-            13  => 1,
-            14  => 1,
-            15  => 1,
-            17  => 2,
-            26  => 1,
-            28  => 1,
-            29  => 1,
-            64  => 1,
-            67  => 1,
-            71  => 1,
-            103 => 1,
-            106 => 1,
-            111 => 1,
-            119 => 1,
-            121 => 1,
-            127 => 2,
-            134 => 2,
-            138 => 2,
-            140 => 3,
-        ];
+        switch ($testFile) {
+        case 'ScopeKeywordSpacingUnitTest.1.inc':
+            return [
+                7   => 2,
+                8   => 1,
+                13  => 1,
+                14  => 1,
+                15  => 1,
+                17  => 2,
+                26  => 1,
+                28  => 1,
+                29  => 1,
+                64  => 1,
+                67  => 1,
+                71  => 1,
+                103 => 1,
+                106 => 1,
+                111 => 1,
+                119 => 1,
+                121 => 1,
+                127 => 2,
+                134 => 2,
+                138 => 2,
+                140 => 3,
+            ];
+
+        case 'ScopeKeywordSpacingUnitTest.3.inc':
+            return [6 => 1];
+
+        default:
+            return [];
+        }//end switch
 
     }//end getErrorList()