Test: Add tests for NoTrailingCommaInSinglelineFixer and array declarations

Author: OndraM

ecs.php

@@ -226,7 +226,7 @@
             SetTypeToCastFixer::class,
             // Array index should always be written by using square braces
             NormalizeIndexBraceFixer::class,
-            // PHP single-line arrays should not have trailing comma
+            // Values separated by a comma on a single line should not have a trailing comma.
             NoTrailingCommaInSinglelineFixer::class,
             // Multi-line arrays, arguments list and parameters list must have a trailing comma
             TrailingCommaInMultilineFixer::class,

tests/Integration/Fixtures/Basic.correct.php.inc

@@ -15,6 +15,8 @@ class Basic
     {
         // TrimArraySpacesFixer
         $fooBar = ['a', 'b'];
+        // NoTrailingCommaInSinglelineFixer
+        mb_strlen('foobar');
         // MbStrFunctionsFixer
         $bazLength = mb_strlen('baz');
         // LambdaNotUsedImportFixer
@@ -56,4 +58,23 @@ class Basic
         // TernaryToElvisOperatorFixer
         return ($foo ?: 'not true');
     }
+
+    public function arrayDeclarations(): void
+    {
+        $empty = [];
+
+        $singleLineArray = ['foo', 'bar', 'baz'];
+        $singleLineArray2 = [1, 2, 3];
+
+        $multiLineAssociative = [
+            'foo' => 'bar',
+            'baz' => 'bat',
+        ];
+
+        $multiLineAssociative2 = [
+            'firstKey' => 'bar',
+            'thisIsSecondKey' => 'bat',
+            'third' => 'bat',
+        ];
+    }
 }

tests/Integration/Fixtures/Basic.wrong.php.inc

@@ -9,6 +9,8 @@ class Basic
     {
         // TrimArraySpacesFixer
         $fooBar = [ 'a', 'b'];
+        // NoTrailingCommaInSinglelineFixer
+        mb_strlen('foobar', );
         // MbStrFunctionsFixer
         $bazLength = strlen('baz');
         // LambdaNotUsedImportFixer
@@ -53,4 +55,23 @@ class Basic
     protected int $myProperty = 666; // OrderedClassElementsFixer
 
     use SomeUsefulTrait; // OrderedClassElementsFixer
+
+    public function arrayDeclarations(): void
+    {
+        $empty = array();
+
+        $singleLineArray = ['foo', 'bar', 'baz',];
+        $singleLineArray2 = [1,2,3];
+
+        $multiLineAssociative = [
+            'foo'=>'bar',
+            'baz'=>'bat'
+        ];
+
+        $multiLineAssociative2 = [
+            'firstKey'        => 'bar',
+            'thisIsSecondKey' => 'bat',
+            'third'           => 'bat',
+        ];
+    }
 }