From 2481964312f4f06fa7508e9b7f319c55419f3966 Mon Sep 17 00:00:00 2001
From: Cheng Gu <guchengf@gmail.com>
Date: Wed, 12 Oct 2016 09:39:05 +0800
Subject: [PATCH] test(tooltip): remove tooltip after parent destroyed

---
 src/lib/tooltip/tooltip.spec.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib/tooltip/tooltip.spec.ts b/src/lib/tooltip/tooltip.spec.ts
index 74cbc6a15051..643711d0f5e7 100644
--- a/src/lib/tooltip/tooltip.spec.ts
+++ b/src/lib/tooltip/tooltip.spec.ts
@@ -50,6 +50,14 @@ describe('MdTooltip', () => {
       tooltipDirective._handleMouseLeave(null);
       expect(overlayContainerElement.textContent).toBe('');
     });
+
+    it('should be removed after parent destroyed', () => {
+      tooltipDirective._handleMouseEnter(null);
+      expect(tooltipDirective.visible).toBeTruthy();
+      fixture.destroy();
+      expect(overlayContainerElement.childNodes.length).toBe(0);
+      expect(overlayContainerElement.textContent).toBe('');
+    });
   });
 });