DataValidation Doesn't Need __construct nor __clone

Constructor does nothing. Class doesn't require deep clone since all properties are bool or string.

Author: oleibman

src/PhpSpreadsheet/Cell/DataValidation.php

@@ -95,13 +95,6 @@ class DataValidation
      */
     private string $prompt = '';
 
-    /**
-     * Create a new DataValidation.
-     */
-    public function __construct()
-    {
-    }
-
     /**
      * Get Formula 1.
      */
@@ -390,21 +383,6 @@ public function getHashCode(): string
         );
     }
 
-    /**
-     * Implement PHP __clone to create a deep clone, not just a shallow copy.
-     */
-    public function __clone()
-    {
-        $vars = get_object_vars($this);
-        foreach ($vars as $key => $value) {
-            if (is_object($value)) {
-                $this->$key = clone $value;
-            } else {
-                $this->$key = $value;
-            }
-        }
-    }
-
     private ?string $sqref = null;
 
     public function getSqref(): ?string

tests/PhpSpreadsheetTests/Cell/DataValidatorTest.php

@@ -17,6 +17,7 @@ public function testNoValidation(): void
         $testCell = $sheet->getCell('A1');
 
         self::assertTrue($testCell->hasValidValue(), 'a cell without any validation data is always valid');
+        $spreadsheet->disconnectWorksheets();
     }
 
     public function testUnsupportedType(): void
@@ -30,6 +31,7 @@ public function testUnsupportedType(): void
         $validation->setAllowBlank(true);
 
         self::assertFalse($testCell->hasValidValue(), 'cannot assert that value is valid when the validation type is not supported');
+        $spreadsheet->disconnectWorksheets();
     }
 
     public function testList(): void
@@ -71,5 +73,24 @@ public function testList(): void
         $validation->setFormula1('broken : cell : coordinates');
 
         self::assertFalse($testCell->hasValidValue(), 'invalid formula should not throw exceptions');
+        $spreadsheet->disconnectWorksheets();
+    }
+
+    public function testInvalidNumeric(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $sheet = $spreadsheet->getActiveSheet();
+
+        $validation = $sheet->getCell('A1')->getDataValidation();
+        $validation->setType(DataValidation::TYPE_WHOLE)
+            ->setOperator(DataValidation::OPERATOR_EQUAL)
+            ->setFormula1('broken : cell : coordinates');
+        $sheet->getCell('A1')->setValue(0);
+        self::assertFalse($sheet->getCell('A1')->hasValidValue(), 'invalid formula should return false');
+        $validation->setOperator('invalid operator')
+            ->setFormula1('0');
+        self::assertFalse($sheet->getCell('A1')->hasValidValue(), 'invalid operator should return false');
+
+        $spreadsheet->disconnectWorksheets();
     }
 }