From: Tomasz Marciniak <t.marciniak@samsung.com>
Date: Mon, 18 May 2015 13:51:42 +0000 (+0200)
Subject: [Sound] Throw exception if listener does not exists.
X-Git-Tag: submit/tizen_tv/20150603.064601~1^2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ab0a89adfa91e90a49c0fe81f7e5b44d77f84cb0;p=platform%2Fcore%2Fapi%2Fwebapi-plugins.git

[Sound] Throw exception if listener does not exists.

[Verification] Code compiles without errors.
Manual test SoundManager_removeDeviceStateChangeListener passes.

Change-Id: I81cd390cbed3eff74f97211c34de464c198fa5d8
Signed-off-by: Tomasz Marciniak <t.marciniak@samsung.com>
---

diff --git a/src/sound/sound_api.js b/src/sound/sound_api.js
index 24606573..e4a7a98f 100644
--- a/src/sound/sound_api.js
+++ b/src/sound/sound_api.js
@@ -71,6 +71,9 @@ ListenerManager.prototype.addListener = function(callback) {
 ListenerManager.prototype.removeListener = function(watchId) {
   if (this.listeners.hasOwnProperty(watchId)) {
     delete this.listeners[watchId];
+  } else {
+    throw new WebAPIException(WebAPIException.INVALID_VALUES_ERR,
+        'Listener with id: ' + watchId + ' does not exist.');
   }
 
   if (this.nativeSet && type_.isEmptyObject(this.listeners)) {