Factor Fixnum and Bignum extensions into Integer class

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1863 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 38 insertions, 0 deletions

diff --git a/activesupport/test/core_ext/integer_ext_test.rb b/activesupport/test/core_ext/integer_ext_test.rb
new file mode 100644
index 0000000000..4435bc79d3
--- /dev/null
+++ b/activesupport/test/core_ext/integer_ext_test.rb
@@ -0,0 +1,38 @@
+require 'test/unit'
+require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/integer'
+
+class IntegerExtTest < 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? }
+    assert 1000000000000000000000000000000000000000000000000000000001.odd?
+  end
+  
+  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 with a prime
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(2)
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(3)
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(5)
+    assert !22953686867719691230002707821868552601124472329079.multiple_of?(7)
+  end
+
+  def test_ordinalize
+    # These tests are mostly just to ensure that the ordinalize method exists
+    # It's results are tested comprehensively in the inflector test cases.
+    assert_equal '1st', 1.ordinalize
+    assert_equal '8th', 8.ordinalize
+    1000000000000000000000000000000000000000000000000000000000000000000000.ordinalize
+  end
+end