Added Fix/Bignum#multiple_of? which returns true on 14.multiple_of?(7) and false on 16.multiple_of?(7) #1464 [Thomas Fuchs] Added even? and odd? to work with Bignums in addition to Fixnums #1464 [Thomas Fuchs]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1462 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 15 insertions, 0 deletions

diff --git a/activesupport/test/core_ext/fixnum_ext_test.rb b/activesupport/test/core_ext/fixnum_ext_test.rb
index 627c282b8b..7ffc32a9e1 100644
--- a/activesupport/test/core_ext/fixnum_ext_test.rb
+++ b/activesupport/test/core_ext/fixnum_ext_test.rb
@@ -5,10 +5,25 @@ class FixnumExtTest < Test::Unit::TestCase
   def test_even
     assert [ -2, 0, 2, 4 ].all? { |i| i.even? }
     assert ![ -1, 1, 3 ].all? { |i| i.even? }
+    
+    assert 22953686867719691230002707821868552601124472329079.odd?
+    assert !22953686867719691230002707821868552601124472329079.even?
+    assert 22953686867719691230002707821868552601124472329080.even?
+    assert !22953686867719691230002707821868552601124472329080.odd?
   end
 
   def test_odd
     assert ![ -2, 0, 2, 4 ].all? { |i| i.odd? }
     assert [ -1, 1, 3 ].all? { |i| i.odd? }
   end
+  
+  def test_multiple_of
+    assert [ -7, 0, 7, 14 ].all? { |i| i.multiple_of? 7 }
+    assert ![ -7, 0, 7, 14 ].all? { |i| i.multiple_of? 6 }
+    # test with a prime
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(2)
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(3)
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(5)
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(7)
+  end
 end