diff options
Diffstat (limited to 'activesupport/test/core_ext/array')
| -rw-r--r-- | activesupport/test/core_ext/array/grouping_test.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/array/grouping_test.rb b/activesupport/test/core_ext/array/grouping_test.rb index b8cfe9728c..2eb0f05141 100644 --- a/activesupport/test/core_ext/array/grouping_test.rb +++ b/activesupport/test/core_ext/array/grouping_test.rb @@ -90,6 +90,12 @@ class GroupingTest < ActiveSupport::TestCase assert_equal [[1, 2, 3], [4, 5], [6, 7]], (1..7).to_a.in_groups(3, false) end + + def test_in_groups_invalid_argument + assert_raises(ArgumentError) { [].in_groups_of(0) } + assert_raises(ArgumentError) { [].in_groups_of(-1) } + assert_raises(ArgumentError) { [].in_groups_of(nil) } + end end class SplitTest < ActiveSupport::TestCase |