[9.x] Improve test for filled in Helpers (#43894)

* [9.x] Improve test for filled in Helpers

* [9.x] Improve test for filled in Helpers

Author: moharami

tests/Support/SupportHelpersTest.php

@@ -4,6 +4,7 @@
 
 use ArrayAccess;
 use ArrayIterator;
+use Countable;
 use Illuminate\Contracts\Support\Htmlable;
 use Illuminate\Support\Env;
 use Illuminate\Support\Optional;
@@ -39,6 +40,21 @@ public function testClassBasename()
         $this->assertSame('Baz', class_basename('Baz'));
     }
 
+    public function testFilled()
+    {
+        $this->assertFalse(filled(null));
+        $this->assertFalse(filled(''));
+        $this->assertFalse(filled('  '));
+        $this->assertTrue(filled(10));
+        $this->assertTrue(filled(true));
+        $this->assertTrue(filled(false));
+        $this->assertTrue(filled(0));
+        $this->assertTrue(filled(0.0));
+
+        $object = new SupportTestCountable();
+        $this->assertFalse(filled($object));
+    }
+
     public function testValue()
     {
         $this->assertSame('foo', value('foo'));
@@ -903,3 +919,11 @@ public function getIterator(): Traversable
         return new ArrayIterator($this->items);
     }
 }
+
+class SupportTestCountable implements Countable
+{
+    public function count(): int
+    {
+        return 0;
+    }
+}