From 8fc6d850cc82a592e732eb2534a41a6cc934b13e Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Wed, 6 Jun 2018 16:52:01 -0400
Subject: [PATCH] failing test for #1527

---
 .../Span.html                                 |  1 +
 .../_config.js                                | 26 +++++++++++++++++++
 .../main.html                                 | 14 ++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 test/runtime/samples/nested-transition-if-block-not-remounted/Span.html
 create mode 100644 test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
 create mode 100644 test/runtime/samples/nested-transition-if-block-not-remounted/main.html

diff --git a/test/runtime/samples/nested-transition-if-block-not-remounted/Span.html b/test/runtime/samples/nested-transition-if-block-not-remounted/Span.html
new file mode 100644
index 0000000000..b16b370950
--- /dev/null
+++ b/test/runtime/samples/nested-transition-if-block-not-remounted/Span.html
@@ -0,0 +1 @@
+<span><slot></slot></span>
\ No newline at end of file
diff --git a/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js b/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
new file mode 100644
index 0000000000..128a518134
--- /dev/null
+++ b/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
@@ -0,0 +1,26 @@
+export default {
+	data: {
+		x: true,
+		value: 'one'
+	},
+
+	html: `
+		<div>
+			<input>
+			<span>x</span>
+		</div>
+	`,
+
+	nestedTransitions: true,
+
+	test(assert, component, target, window, raf) {
+		const div = target.querySelector('div');
+		const { appendChild, insertBefore } = div;
+
+		div.appendChild = div.insertBefore = () => {
+			throw new Error('DOM was mutated');
+		};
+
+		component.set({ value: 'two' });
+	},
+};
diff --git a/test/runtime/samples/nested-transition-if-block-not-remounted/main.html b/test/runtime/samples/nested-transition-if-block-not-remounted/main.html
new file mode 100644
index 0000000000..ad8b2454a8
--- /dev/null
+++ b/test/runtime/samples/nested-transition-if-block-not-remounted/main.html
@@ -0,0 +1,14 @@
+<div>
+	{#if x}
+		<input on:input="set({ value: this.value })">
+		<Span>x</Span>
+	{/if}
+</div>
+
+<script>
+	export default {
+		components: {
+			Span: './Span.html'
+		}
+	};
+</script>
\ No newline at end of file