diff --git a/packages/framework/tests/Feature/MarkdownHeadingRendererTest.php b/packages/framework/tests/Feature/MarkdownHeadingRendererTest.php
index a2ce05f455e..3ade050fa68 100644
--- a/packages/framework/tests/Feature/MarkdownHeadingRendererTest.php
+++ b/packages/framework/tests/Feature/MarkdownHeadingRendererTest.php
@@ -240,4 +240,44 @@ public function testCustomPageClassConfiguration()
$html = (new MarkdownService($markdown, DocumentationPage::class))->parse();
$this->assertStringNotContainsString('heading-permalink', $html);
}
+
+ public function testItHandlesMultipleHeadingsWithTheSameName()
+ {
+ $markdown = <<<'MARKDOWN'
+ ## Heading
+ ## Heading
+ ## Unique Heading
+ ## With Children
+ ### Child Heading
+ ### Child Heading
+ ### Unique Child Heading
+ #### Child Heading
+ MARKDOWN;
+
+ $html = (new MarkdownService($markdown, DocumentationPage::class))->parse();
+
+ $this->assertSame(<<<'HTML'
+
+
+
+
+
+
+
+
+
+ HTML, $html);
+ }
+
+ public function testDoesNotChangeAnythingIfMultipleHeadingsWithTheSameNameAreInDifferentPages()
+ {
+ $markdown = <<<'MARKDOWN'
+ ## Heading
+ MARKDOWN;
+
+ $html1 = (new MarkdownService($markdown, DocumentationPage::class))->parse();
+ $html2 = (new MarkdownService($markdown, DocumentationPage::class))->parse();
+
+ $this->assertSame($html1, $html2);
+ }
}