From 6397588e50196aa006581d3fffb65a39309c8248 Mon Sep 17 00:00:00 2001
From: Richard Harris <richard.a.harris@gmail.com>
Date: Sun, 17 May 2020 11:19:58 -0400
Subject: [PATCH] add test for #3569 and similar situations

---
 .../binding-input-text-undefined/_config.js   | 30 +++++++++++++++++++
 .../binding-input-text-undefined/main.svelte  |  5 ++++
 2 files changed, 35 insertions(+)
 create mode 100644 test/runtime/samples/binding-input-text-undefined/_config.js
 create mode 100644 test/runtime/samples/binding-input-text-undefined/main.svelte

diff --git a/test/runtime/samples/binding-input-text-undefined/_config.js b/test/runtime/samples/binding-input-text-undefined/_config.js
new file mode 100644
index 0000000000..009e1b37ba
--- /dev/null
+++ b/test/runtime/samples/binding-input-text-undefined/_config.js
@@ -0,0 +1,30 @@
+export default {
+	html: `
+		<input>
+	`,
+
+	ssrHtml: `
+		<input>
+	`,
+
+	async test({ assert, component, target, window }) {
+		const input = target.querySelector('input');
+		assert.equal(input.value, '');
+
+		component.x = null;
+		assert.equal(input.value, '');
+
+		component.x = undefined;
+		assert.equal(input.value, '');
+
+		component.x = 'string';
+		component.x = undefined;
+		assert.equal(input.value, '');
+
+		component.x = 0;
+		assert.equal(input.value, '0');
+
+		component.x = undefined;
+		assert.equal(input.value, '');
+	},
+};
diff --git a/test/runtime/samples/binding-input-text-undefined/main.svelte b/test/runtime/samples/binding-input-text-undefined/main.svelte
new file mode 100644
index 0000000000..b4c2a84fd2
--- /dev/null
+++ b/test/runtime/samples/binding-input-text-undefined/main.svelte
@@ -0,0 +1,5 @@
+<script>
+	export let x;
+</script>
+
+<input bind:value={x}>
\ No newline at end of file