diff --git a/packages/svelte/tests/hydration/samples/whitespace-before-child/Nested.svelte b/packages/svelte/tests/hydration/samples/whitespace-before-child/Nested.svelte
new file mode 100644
index 0000000000..c230e50ebc
--- /dev/null
+++ b/packages/svelte/tests/hydration/samples/whitespace-before-child/Nested.svelte
@@ -0,0 +1 @@
+<p>nested</p>
diff --git a/packages/svelte/tests/hydration/samples/whitespace-before-child/_override.html b/packages/svelte/tests/hydration/samples/whitespace-before-child/_override.html
new file mode 100644
index 0000000000..90ca4ef4b8
--- /dev/null
+++ b/packages/svelte/tests/hydration/samples/whitespace-before-child/_override.html
@@ -0,0 +1,2 @@
+<!--[-->
+<main><p>nested</p><!----></main><!--]-->
\ No newline at end of file
diff --git a/packages/svelte/tests/hydration/samples/whitespace-before-child/main.svelte b/packages/svelte/tests/hydration/samples/whitespace-before-child/main.svelte
new file mode 100644
index 0000000000..0aa2925150
--- /dev/null
+++ b/packages/svelte/tests/hydration/samples/whitespace-before-child/main.svelte
@@ -0,0 +1,7 @@
+<script>
+	// https://github.com/sveltejs/svelte/issues/16242
+	import Nested from './Nested.svelte';
+</script>
+<main>
+	<Nested />
+</main>