From 297c47c3fdbb58e3d9824afdee83ef3c4b9d141a Mon Sep 17 00:00:00 2001
From: Johann <johann.servoire@gmail.com>
Date: Fri, 2 Dec 2016 18:52:19 +0100
Subject: [V4] Throw error when a plugin is in transition (#17823)

* Throw error when a plugin is in transition
* Add unit tests about plugins in transition
---
 js/tests/visual/carousel.html | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'js/tests/visual/carousel.html')

diff --git a/js/tests/visual/carousel.html b/js/tests/visual/carousel.html
index 2017f338b..b26fb4a0d 100644
--- a/js/tests/visual/carousel.html
+++ b/js/tests/visual/carousel.html
@@ -46,11 +46,31 @@
     <script src="../../dist/carousel.js"></script>
 
     <script>
-      $(function() {
+      // Should throw an error because carousel is in transition
+      function testCarouselTransitionError() {
+        var err = false
+        var $carousel = $('#carousel-example-generic')
+        $carousel.on('slid.bs.carousel', function () {
+          $carousel.off('slid.bs.carousel')
+          if (!err) {
+            alert('No error thrown for : testCarouselTransitionError')
+          }
+        })
+        try {
+          $carousel.carousel('next').carousel('prev')
+        }
+        catch (e) {
+          err = true
+          console.error(e.message)
+        }
+      }
+
+      $(function () {
         // Test to show that the carousel doesn't slide when the current tab isn't visible
-        $('#carousel-example-generic').on('slid.bs.carousel', function(event) {
+        $('#carousel-example-generic').on('slid.bs.carousel', function (event) {
           console.log('slid at ', event.timeStamp)
         })
+        testCarouselTransitionError()
       })
     </script>
   </body>
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