From ea8f60331833f91aa7fd665cbae2f26b90fef06a Mon Sep 17 00:00:00 2001
From: Michel Weststrate <mweststrate@gmail.com>
Date: Tue, 27 Feb 2018 11:32:13 +0100
Subject: [PATCH] Added test to confirm #1148 is fixed

---
 test/base/reaction.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/base/reaction.js b/test/base/reaction.js
index 1ae042cb6..5c8326f68 100644
--- a/test/base/reaction.js
+++ b/test/base/reaction.js
@@ -408,3 +408,18 @@ test("reaction equals function only invoked when necessary", () => {
         disposeReaction()
     })
 })
+
+test("issue #1148", () => {
+    const a = mobx.observable.box(1)
+    let called = 0
+    const dispose = reaction(
+        () => this.a,
+        () => {
+            called++
+        },
+        { delay: 1 }
+    )
+    a.set(2)
+    dispose()
+    expect(called).toBe(0)
+})