From 2aea2ea8424a2cc909c30d649216d48f80827b98 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Thu, 3 May 2018 15:49:13 -0400
Subject: [PATCH] failing test for #1413

---
 .../_config.js                                | 19 +++++++++++++++++++
 .../main.html                                 |  1 +
 2 files changed, 20 insertions(+)
 create mode 100644 test/runtime/samples/spread-component-dynamic-undefined/_config.js
 create mode 100644 test/runtime/samples/spread-component-dynamic-undefined/main.html

diff --git a/test/runtime/samples/spread-component-dynamic-undefined/_config.js b/test/runtime/samples/spread-component-dynamic-undefined/_config.js
new file mode 100644
index 0000000000..366750870e
--- /dev/null
+++ b/test/runtime/samples/spread-component-dynamic-undefined/_config.js
@@ -0,0 +1,19 @@
+export default {
+	data: {
+		props: {
+			a: 1,
+		},
+	},
+
+	html: ``,
+
+	test(assert, component, target) {
+		component.set({
+			props: {
+				a: 2,
+			},
+		});
+
+		assert.htmlEqual(target.innerHTML, ``);
+	},
+};
diff --git a/test/runtime/samples/spread-component-dynamic-undefined/main.html b/test/runtime/samples/spread-component-dynamic-undefined/main.html
new file mode 100644
index 0000000000..435cacaa53
--- /dev/null
+++ b/test/runtime/samples/spread-component-dynamic-undefined/main.html
@@ -0,0 +1 @@
+<svelte:component this={undefined} {...props} />
\ No newline at end of file