failing test for #9645

Author: Rich-Harris

packages/svelte/tests/runtime-legacy/samples/dynamic-element-svg-implicit-namespace/_config.js

@@ -0,0 +1,12 @@
+import { test } from '../../test';
+
+export default test({
+	html: '<svg><path></path></svg>',
+
+	test({ assert, target }) {
+		const svg = target.querySelector('svg');
+		const rect = target.querySelector('path');
+		assert.equal(svg?.namespaceURI, 'http://www.w3.org/2000/svg');
+		assert.equal(rect?.namespaceURI, 'http://www.w3.org/2000/svg');
+	}
+});

packages/svelte/tests/runtime-legacy/samples/dynamic-element-svg-implicit-namespace/main.svelte

@@ -0,0 +1,10 @@
+<script>
+	// ensure these are treated as dynamic, despite whatever
+	// optimisations we might apply
+	export let svg = 'svg';
+	export let path = 'path';
+</script>
+
+<svelte:element this={svg}>
+	<svelte:element this={path}></svelte:element>
+</svelte:element>