[TASK] Add tests for RuleValueList::getArrayRepresentation() (MyIntervals#1577)

Part of MyIntervals#1440.

Author: oliverklee

tests/Unit/Value/RuleValueListTest.php

@@ -6,6 +6,7 @@
 
 use PHPUnit\Framework\TestCase;
 use Sabberworm\CSS\Value\RuleValueList;
+use Sabberworm\CSS\Value\Size;
 
 /**
  * @covers \Sabberworm\CSS\Value\RuleValueList
@@ -25,4 +26,60 @@ public function getArrayRepresentationIncludesClassName(): void
 
         self::assertSame('RuleValueList', $result['class']);
     }
+
+    /**
+     * @test
+     */
+    public function getArrayRepresentationIncludesStringComponent(): void
+    {
+        $subject = new RuleValueList();
+        $subject->addListComponent('Helvetica');
+
+        $result = $subject->getArrayRepresentation();
+
+        self::assertSame('Helvetica', $result['components'][0]['value']);
+    }
+
+    /**
+     * @test
+     */
+    public function getArrayRepresentationIncludesValueComponent(): void
+    {
+        $subject = new RuleValueList();
+        $subject->addListComponent(new Size(1));
+
+        $result = $subject->getArrayRepresentation();
+
+        self::assertSame('Size', $result['components'][0]['class']);
+    }
+
+    /**
+     * @test
+     */
+    public function getArrayRepresentationIncludesMultipleMixedComponents(): void
+    {
+        $subject = new RuleValueList();
+        $subject->addListComponent(new Size(1));
+        $subject->addListComponent('+');
+        $subject->addListComponent(new Size(2));
+
+        $result = $subject->getArrayRepresentation();
+
+        self::assertSame('Size', $result['components'][0]['class']);
+        self::assertSame('+', $result['components'][1]['value']);
+        self::assertSame('Size', $result['components'][2]['class']);
+    }
+
+    /**
+     * @test
+     */
+    public function getArrayRepresentationIncludesSeparator(): void
+    {
+        $separator = ', ';
+        $subject = new RuleValueList($separator);
+
+        $result = $subject->getArrayRepresentation();
+
+        self::assertSame($separator, $result['separator']);
+    }
 }