X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/5ce14cfa4d7792346e96a3895df73e3510c936ea..8d76be71bbb8a799cbf0627dee170f26ade5a11f:/test/helpers/user_blocks_helper_test.rb

diff --git a/test/helpers/user_blocks_helper_test.rb b/test/helpers/user_blocks_helper_test.rb
index 7d0b664fe..c4afa6c83 100644
--- a/test/helpers/user_blocks_helper_test.rb
+++ b/test/helpers/user_blocks_helper_test.rb
@@ -27,5 +27,10 @@ class UserBlocksHelperTest < ActionView::TestCase
 
     words = block_duration_in_words(0)
     assert_equal "0 hours", words
+
+    # Ensure that (slightly) negative durations don't mess everything up
+    # This can happen on zero hour blocks when ends_at is a millisecond before created_at
+    words = block_duration_in_words(-0.001)
+    assert_equal "0 hours", words
   end
 end