diff options
Diffstat (limited to 'activesupport/test/core_ext')
| -rw-r--r-- | activesupport/test/core_ext/integer_ext_test.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/integer_ext_test.rb b/activesupport/test/core_ext/integer_ext_test.rb index e1591089f5..fe8c7eb224 100644 --- a/activesupport/test/core_ext/integer_ext_test.rb +++ b/activesupport/test/core_ext/integer_ext_test.rb @@ -5,6 +5,11 @@ class IntegerExtTest < Test::Unit::TestCase def test_multiple_of [ -7, 0, 7, 14 ].each { |i| assert i.multiple_of?(7) } [ -7, 7, 14 ].each { |i| assert ! i.multiple_of?(6) } + + # test the 0 edge case + assert 0.multiple_of?(0) + assert !5.multiple_of?(0) + # test with a prime assert !22953686867719691230002707821868552601124472329079.multiple_of?(2) assert !22953686867719691230002707821868552601124472329079.multiple_of?(3) |