Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

109 files changed, 1836 insertions, 0 deletions

diff --git a/spec/ruby/library/date/accessor_spec.rb b/spec/ruby/library/date/accessor_spec.rb
new file mode 100644
index 0000000000..91e0c3fc88
--- /dev/null
+++ b/spec/ruby/library/date/accessor_spec.rb
@@ -0,0 +1,91 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#ajd" do
+  it "determines the Astronomical Julian day" do
+    Date.civil(2007, 1, 17).ajd.should == 4908235.to_r / 2
+  end
+end
+
+describe "Date#amjd" do
+  it "determines the Astronomical Modified Julian day" do
+    Date.civil(2007, 1, 17).amjd.should == 54117
+  end
+end
+
+describe "Date#day_fraction" do
+  it "determines the day fraction" do
+    Date.civil(2007, 1, 17).day_fraction.should == 0
+  end
+end
+
+describe "Date#mjd" do
+  it "determines the Modified Julian day" do
+    Date.civil(2007, 1, 17).mjd.should == 54117
+  end
+end
+
+describe "Date#ld" do
+  it "determines the Modified Julian day" do
+    Date.civil(2007, 1, 17).ld.should == 154958
+  end
+end
+
+describe "Date#year" do
+  it "determines the year" do
+    Date.civil(2007, 1, 17).year.should == 2007
+  end
+end
+
+describe "Date#yday" do
+  it "determines the year" do
+    Date.civil(2007,  1, 17).yday.should == 17
+    Date.civil(2008, 10, 28).yday.should == 302
+  end
+end
+
+describe "Date#mon" do
+  it "determines the month" do
+    Date.civil(2007,  1, 17).mon.should == 1
+    Date.civil(2008, 10, 28).mon.should == 10
+  end
+end
+
+describe "Date#mday" do
+  it "determines the day of the month" do
+    Date.civil(2007,  1, 17).mday.should == 17
+    Date.civil(2008, 10, 28).mday.should == 28
+  end
+end
+
+describe "Date#wday" do
+  it "determines the week day" do
+    Date.civil(2007,  1, 17).wday.should == 3
+    Date.civil(2008, 10, 26).wday.should == 0
+  end
+end
+
+describe "Date#cwyear" do
+  it "determines the commercial year" do
+    Date.civil(2007,  1, 17).cwyear.should == 2007
+    Date.civil(2008, 10, 28).cwyear.should == 2008
+    Date.civil(2007, 12, 31).cwyear.should == 2008
+    Date.civil(2010,  1,  1).cwyear.should == 2009
+  end
+end
+
+describe "Date#cweek" do
+  it "determines the commercial week" do
+    Date.civil(2007,  1, 17).cweek.should == 3
+    Date.civil(2008, 10, 28).cweek.should == 44
+    Date.civil(2007, 12, 31).cweek.should == 1
+    Date.civil(2010,  1,  1).cweek.should == 53
+  end
+end
+
+describe "Date#cwday" do
+  it "determines the commercial week day" do
+    Date.civil(2007,  1, 17).cwday.should == 3
+    Date.civil(2008, 10, 26).cwday.should == 7
+  end
+end
diff --git a/spec/ruby/library/date/add_month_spec.rb b/spec/ruby/library/date/add_month_spec.rb
new file mode 100644
index 0000000000..46f1915b70
--- /dev/null
+++ b/spec/ruby/library/date/add_month_spec.rb
@@ -0,0 +1,38 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#>>" do
+  it "adds the number of months to a Date" do
+    d = Date.civil(2007,2,27) >> 10
+    d.should == Date.civil(2007, 12, 27)
+  end
+
+  it "sets the day to the last day of a month if the day doesn't exist" do
+    d = Date.civil(2008,3,31) >> 1
+    d.should == Date.civil(2008, 4, 30)
+  end
+
+  it "returns the day of the reform if date falls within calendar reform" do
+    calendar_reform_italy = Date.new(1582, 10, 4)
+    d1 = Date.new(1582, 9, 9) >> 1
+    d2 = Date.new(1582, 9, 10) >> 1
+    d1.should == calendar_reform_italy
+    d2.should == calendar_reform_italy
+  end
+
+  it "raise a TypeError when passed a Symbol" do
+    lambda { Date.civil(2007,2,27) >> :hello }.should raise_error(TypeError)
+  end
+
+  it "raise a TypeError when passed a String" do
+    lambda { Date.civil(2007,2,27) >> "hello" }.should raise_error(TypeError)
+  end
+
+  it "raise a TypeError when passed a Date" do
+    lambda { Date.civil(2007,2,27) >> Date.new }.should raise_error(TypeError)
+  end
+
+  it "raise a TypeError when passed an Object" do
+    lambda { Date.civil(2007,2,27) >> Object.new }.should raise_error(TypeError)
+  end
+end
diff --git a/spec/ruby/library/date/add_spec.rb b/spec/ruby/library/date/add_spec.rb
new file mode 100644
index 0000000000..022b793318
--- /dev/null
+++ b/spec/ruby/library/date/add_spec.rb
@@ -0,0 +1,30 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#+" do
+  it "adds the number of days to a Date" do
+    d = Date.civil(2007,2,27) + 10
+    d.should == Date.civil(2007, 3, 9)
+  end
+
+  it "adds a negative number of days to a Date" do
+    d = Date.civil(2007,2,27).+(-10)
+    d.should == Date.civil(2007, 2, 17)
+  end
+
+  it "raises a TypeError when passed a Symbol" do
+    lambda { Date.civil(2007,2,27) + :hello }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed a String" do
+    lambda { Date.civil(2007,2,27) + "hello" }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed a Date" do
+    lambda { Date.civil(2007,2,27) + Date.new }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed an Object" do
+    lambda { Date.civil(2007,2,27) + Object.new }.should raise_error(TypeError)
+  end
+end
diff --git a/spec/ruby/library/date/ajd_spec.rb b/spec/ruby/library/date/ajd_spec.rb
new file mode 100644
index 0000000000..fcbcea2426
--- /dev/null
+++ b/spec/ruby/library/date/ajd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#ajd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/ajd_to_amjd_spec.rb b/spec/ruby/library/date/ajd_to_amjd_spec.rb
new file mode 100644
index 0000000000..fc6a35d0c6
--- /dev/null
+++ b/spec/ruby/library/date/ajd_to_amjd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.ajd_to_amjd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/ajd_to_jd_spec.rb b/spec/ruby/library/date/ajd_to_jd_spec.rb
new file mode 100644
index 0000000000..1d8d6d0eb5
--- /dev/null
+++ b/spec/ruby/library/date/ajd_to_jd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.ajd_to_jd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/amjd_spec.rb b/spec/ruby/library/date/amjd_spec.rb
new file mode 100644
index 0000000000..212871ee18
--- /dev/null
+++ b/spec/ruby/library/date/amjd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#amjd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/amjd_to_ajd_spec.rb b/spec/ruby/library/date/amjd_to_ajd_spec.rb
new file mode 100644
index 0000000000..f45f202a40
--- /dev/null
+++ b/spec/ruby/library/date/amjd_to_ajd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.amjd_to_ajd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/append_spec.rb b/spec/ruby/library/date/append_spec.rb
new file mode 100644
index 0000000000..d90eff9a7a
--- /dev/null
+++ b/spec/ruby/library/date/append_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#<<" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/asctime_spec.rb b/spec/ruby/library/date/asctime_spec.rb
new file mode 100644
index 0000000000..13dede0f05
--- /dev/null
+++ b/spec/ruby/library/date/asctime_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#asctime" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/boat_spec.rb b/spec/ruby/library/date/boat_spec.rb
new file mode 100644
index 0000000000..3004c6bfbc
--- /dev/null
+++ b/spec/ruby/library/date/boat_spec.rb
@@ -0,0 +1,24 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#<=>" do
+  it "returns 0 when two dates are equal" do
+    (Date.civil(2000, 04, 06) <=> Date.civil(2000, 04, 06)).should == 0
+  end
+
+  it "returns -1 when self is less than another date" do
+    (Date.civil(2000, 04, 05) <=> Date.civil(2000, 04, 06)).should == -1
+  end
+
+  it "returns -1 when self is less than a Numeric" do
+    (Date.civil(2000, 04, 05) <=> Date.civil(2000, 04, 06).jd).should == -1
+  end
+
+  it "returns 1 when self is greater than another date" do
+    (Date.civil(2001, 04, 05) <=> Date.civil(2000, 04, 06)).should == 1
+  end
+
+  it "returns 1 when self is greater than a Numeric" do
+    (Date.civil(2001, 04, 05) <=> Date.civil(2000, 04, 06).jd).should == 1
+  end
+end
diff --git a/spec/ruby/library/date/case_compare_spec.rb b/spec/ruby/library/date/case_compare_spec.rb
new file mode 100644
index 0000000000..2144a616a3
--- /dev/null
+++ b/spec/ruby/library/date/case_compare_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#===" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/civil_spec.rb b/spec/ruby/library/date/civil_spec.rb
new file mode 100644
index 0000000000..36e790aecd
--- /dev/null
+++ b/spec/ruby/library/date/civil_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/civil', __FILE__)
+require 'date'
+
+describe "Date#civil" do
+  it_behaves_like(:date_civil, :civil)
+end
+
+
+describe "Date.civil" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/commercial_spec.rb b/spec/ruby/library/date/commercial_spec.rb
new file mode 100644
index 0000000000..bb6671eda1
--- /dev/null
+++ b/spec/ruby/library/date/commercial_spec.rb
@@ -0,0 +1,18 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/commercial', __FILE__)
+
+describe "Date#commercial" do
+
+  it_behaves_like(:date_commercial, :commercial)
+
+end
+
+# reference:
+# October 1582 (the Gregorian calendar, Civil Date)
+#   S   M  Tu   W  Th   F   S
+#       1   2   3   4  15  16
+#  17  18  19  20  21  22  23
+#  24  25  26  27  28  29  30
+#  31
+
diff --git a/spec/ruby/library/date/commercial_to_jd_spec.rb b/spec/ruby/library/date/commercial_to_jd_spec.rb
new file mode 100644
index 0000000000..61631a7977
--- /dev/null
+++ b/spec/ruby/library/date/commercial_to_jd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.commercial_to_jd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/comparison_spec.rb b/spec/ruby/library/date/comparison_spec.rb
new file mode 100644
index 0000000000..04bfa2e8f7
--- /dev/null
+++ b/spec/ruby/library/date/comparison_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#<=>" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/constants_spec.rb b/spec/ruby/library/date/constants_spec.rb
new file mode 100644
index 0000000000..8e564fe665
--- /dev/null
+++ b/spec/ruby/library/date/constants_spec.rb
@@ -0,0 +1,44 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date constants" do
+
+  it "defines JULIAN" do
+    (Date::JULIAN <=> Date::Infinity.new).should == 0
+  end
+
+  it "defines GREGORIAN" do
+    (Date::GREGORIAN <=> -Date::Infinity.new).should == 0
+  end
+
+  it "defines ITALY" do
+    Date::ITALY.should == 2299161 # 1582-10-15
+  end
+
+  it "defines ENGLAND" do
+    Date::ENGLAND.should == 2361222 # 1752-09-14
+  end
+
+  it "defines MONTHNAMES" do
+    Date::MONTHNAMES.should == [nil] + %w(January February March April May June July
+                                          August September October November December)
+  end
+
+  it "defines DAYNAMES" do
+    Date::DAYNAMES.should == %w(Sunday Monday Tuesday Wednesday Thursday Friday Saturday)
+  end
+
+  it "defines ABBR_MONTHNAMES" do
+    Date::ABBR_DAYNAMES.should == %w(Sun Mon Tue Wed Thu Fri Sat)
+  end
+
+  it "freezes MONTHNAMES, DAYNAMES, ABBR_MONTHNAMES, ABBR_DAYSNAMES" do
+    [Date::MONTHNAMES, Date::DAYNAMES, Date::ABBR_MONTHNAMES, Date::ABBR_DAYNAMES].each do |ary|
+      lambda { ary << "Unknown" }.should raise_error
+      ary.compact.each do |name|
+        lambda { name << "modified" }.should raise_error
+      end
+    end
+  end
+
+end
diff --git a/spec/ruby/library/date/conversions_spec.rb b/spec/ruby/library/date/conversions_spec.rb
new file mode 100644
index 0000000000..c52ade7012
--- /dev/null
+++ b/spec/ruby/library/date/conversions_spec.rb
@@ -0,0 +1,43 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+
+describe "Date#new_start" do
+  it "converts a date object into another with a new calendar reform" do
+    Date.civil(1582, 10, 14, Date::ENGLAND).new_start.should == Date.civil(1582, 10, 24)
+    Date.civil(1582, 10,  4, Date::ENGLAND).new_start.should == Date.civil(1582, 10,  4)
+    Date.civil(1582, 10, 15).new_start(Date::ENGLAND).should == Date.civil(1582, 10,  5, Date::ENGLAND)
+    Date.civil(1752,  9, 14).new_start(Date::ENGLAND).should == Date.civil(1752,  9, 14, Date::ENGLAND)
+    Date.civil(1752,  9, 13).new_start(Date::ENGLAND).should == Date.civil(1752,  9,  2, Date::ENGLAND)
+  end
+end
+
+describe "Date#italy" do
+  it "converts a date object into another with the Italian calendar reform" do
+    Date.civil(1582, 10, 14, Date::ENGLAND).italy.should == Date.civil(1582, 10, 24)
+    Date.civil(1582, 10,  4, Date::ENGLAND).italy.should == Date.civil(1582, 10,  4)
+  end
+end
+
+describe "Date#england" do
+  it "converts a date object into another with the English calendar reform" do
+    Date.civil(1582, 10, 15).england.should == Date.civil(1582, 10,  5, Date::ENGLAND)
+    Date.civil(1752,  9, 14).england.should == Date.civil(1752,  9, 14, Date::ENGLAND)
+    Date.civil(1752,  9, 13).england.should == Date.civil(1752,  9,  2, Date::ENGLAND)
+  end
+end
+
+describe "Date#julian" do
+  it "converts a date object into another with the Julian calendar" do
+    Date.civil(1582, 10, 15).julian.should == Date.civil(1582, 10,  5, Date::JULIAN)
+    Date.civil(1752,  9, 14).julian.should == Date.civil(1752,  9,  3, Date::JULIAN)
+    Date.civil(1752,  9, 13).julian.should == Date.civil(1752,  9,  2, Date::JULIAN)
+  end
+end
+
+describe "Date#gregorian" do
+  it "converts a date object into another with the Gregorian calendar" do
+    Date.civil(1582, 10,  4).gregorian.should == Date.civil(1582, 10, 14, Date::GREGORIAN)
+    Date.civil(1752,  9, 14).gregorian.should == Date.civil(1752,  9, 14, Date::GREGORIAN)
+  end
+end
diff --git a/spec/ruby/library/date/ctime_spec.rb b/spec/ruby/library/date/ctime_spec.rb
new file mode 100644
index 0000000000..0f5d594842
--- /dev/null
+++ b/spec/ruby/library/date/ctime_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#ctime" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/cwday_spec.rb b/spec/ruby/library/date/cwday_spec.rb
new file mode 100644
index 0000000000..33ede37b2c
--- /dev/null
+++ b/spec/ruby/library/date/cwday_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#cwday" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/cweek_spec.rb b/spec/ruby/library/date/cweek_spec.rb
new file mode 100644
index 0000000000..d988bdd9db
--- /dev/null
+++ b/spec/ruby/library/date/cweek_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#cweek" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/cwyear_spec.rb b/spec/ruby/library/date/cwyear_spec.rb
new file mode 100644
index 0000000000..00544927bc
--- /dev/null
+++ b/spec/ruby/library/date/cwyear_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#cwyear" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/day_fraction_spec.rb b/spec/ruby/library/date/day_fraction_spec.rb
new file mode 100644
index 0000000000..64896a421e
--- /dev/null
+++ b/spec/ruby/library/date/day_fraction_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#day_fraction" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/day_fraction_to_time_spec.rb b/spec/ruby/library/date/day_fraction_to_time_spec.rb
new file mode 100644
index 0000000000..609367371a
--- /dev/null
+++ b/spec/ruby/library/date/day_fraction_to_time_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.day_fraction_to_time" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/day_spec.rb b/spec/ruby/library/date/day_spec.rb
new file mode 100644
index 0000000000..7dfca4d77c
--- /dev/null
+++ b/spec/ruby/library/date/day_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#day" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/downto_spec.rb b/spec/ruby/library/date/downto_spec.rb
new file mode 100644
index 0000000000..ab9bf11952
--- /dev/null
+++ b/spec/ruby/library/date/downto_spec.rb
@@ -0,0 +1,18 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#downto" do
+
+  it "creates earlier dates when passed a negative step" do
+    ds    = Date.civil(2000, 4, 14)
+    de    = Date.civil(2000, 3, 29)
+    count = 0
+    ds.step(de, -1) do |d|
+      d.should <= ds
+      d.should >= de
+      count += 1
+    end
+    count.should == 17
+  end
+
+end
diff --git a/spec/ruby/library/date/england_spec.rb b/spec/ruby/library/date/england_spec.rb
new file mode 100644
index 0000000000..6c67c6ee86
--- /dev/null
+++ b/spec/ruby/library/date/england_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#england" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/eql_spec.rb b/spec/ruby/library/date/eql_spec.rb
new file mode 100644
index 0000000000..efecde8944
--- /dev/null
+++ b/spec/ruby/library/date/eql_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#eql?" do
+  it "returns true if self is equal to another date" do
+    Date.civil(2007, 10, 11).eql?(Date.civil(2007, 10, 11)).should be_true
+  end
+
+  it "returns false if self is not equal to another date" do
+    Date.civil(2007, 10, 11).eql?(Date.civil(2007, 10, 12)).should be_false
+  end
+end
diff --git a/spec/ruby/library/date/format/bag/method_missing_spec.rb b/spec/ruby/library/date/format/bag/method_missing_spec.rb
new file mode 100644
index 0000000000..529fde05d2
--- /dev/null
+++ b/spec/ruby/library/date/format/bag/method_missing_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Format::Bag#method_missing" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/format/bag/to_hash_spec.rb b/spec/ruby/library/date/format/bag/to_hash_spec.rb
new file mode 100644
index 0000000000..ba9525e5e8
--- /dev/null
+++ b/spec/ruby/library/date/format/bag/to_hash_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Format::Bag#to_hash" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/gregorian_leap_spec.rb b/spec/ruby/library/date/gregorian_leap_spec.rb
new file mode 100644
index 0000000000..043d57aa93
--- /dev/null
+++ b/spec/ruby/library/date/gregorian_leap_spec.rb
@@ -0,0 +1,16 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#gregorian_leap?" do
+  it "returns true if a year is a leap year in the Gregorian calendar" do
+    Date.gregorian_leap?(2000).should be_true
+    Date.gregorian_leap?(2004).should be_true
+  end
+
+  it "returns false if a year is not a leap year in the Gregorian calendar" do
+    Date.gregorian_leap?(1900).should be_false
+    Date.gregorian_leap?(1999).should be_false
+    Date.gregorian_leap?(2002).should be_false
+  end
+end
+
diff --git a/spec/ruby/library/date/gregorian_spec.rb b/spec/ruby/library/date/gregorian_spec.rb
new file mode 100644
index 0000000000..5d8b38b2d8
--- /dev/null
+++ b/spec/ruby/library/date/gregorian_spec.rb
@@ -0,0 +1,16 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#gregorian?" do
+
+  it "marks a day before the calendar reform as Julian" do
+    Date.civil(1007, 2, 27).gregorian?.should be_false
+    Date.civil(1907, 2, 27, Date.civil(1930, 1, 1).jd).gregorian?.should be_false
+  end
+
+  it "marks a day after the calendar reform as Julian" do
+    Date.civil(2007, 2, 27).gregorian?.should == true
+    Date.civil(1607, 2, 27, Date.civil(1582, 1, 1).jd).gregorian?.should be_true
+  end
+
+end
diff --git a/spec/ruby/library/date/hash_spec.rb b/spec/ruby/library/date/hash_spec.rb
new file mode 100644
index 0000000000..271d565253
--- /dev/null
+++ b/spec/ruby/library/date/hash_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#hash" do
+  it "returns the same value for equal dates" do
+    Date.civil(2004, 7, 12).hash.should == Date.civil(2004, 7, 12).hash
+  end
+end
diff --git a/spec/ruby/library/date/infinity/abs_spec.rb b/spec/ruby/library/date/infinity/abs_spec.rb
new file mode 100644
index 0000000000..a1107679f6
--- /dev/null
+++ b/spec/ruby/library/date/infinity/abs_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#abs" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/coerce_spec.rb b/spec/ruby/library/date/infinity/coerce_spec.rb
new file mode 100644
index 0000000000..e09b948064
--- /dev/null
+++ b/spec/ruby/library/date/infinity/coerce_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#coerce" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/comparison_spec.rb b/spec/ruby/library/date/infinity/comparison_spec.rb
new file mode 100644
index 0000000000..7bf8fb7b9f
--- /dev/null
+++ b/spec/ruby/library/date/infinity/comparison_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#<=>" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/d_spec.rb b/spec/ruby/library/date/infinity/d_spec.rb
new file mode 100644
index 0000000000..9ef1f71408
--- /dev/null
+++ b/spec/ruby/library/date/infinity/d_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#d" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/finite_spec.rb b/spec/ruby/library/date/infinity/finite_spec.rb
new file mode 100644
index 0000000000..92806935fc
--- /dev/null
+++ b/spec/ruby/library/date/infinity/finite_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#finite?" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/infinite_spec.rb b/spec/ruby/library/date/infinity/infinite_spec.rb
new file mode 100644
index 0000000000..8c7e0bc86a
--- /dev/null
+++ b/spec/ruby/library/date/infinity/infinite_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#infinite?" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/nan_spec.rb b/spec/ruby/library/date/infinity/nan_spec.rb
new file mode 100644
index 0000000000..19c7ae0af3
--- /dev/null
+++ b/spec/ruby/library/date/infinity/nan_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#nan?" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/uminus_spec.rb b/spec/ruby/library/date/infinity/uminus_spec.rb
new file mode 100644
index 0000000000..110e197231
--- /dev/null
+++ b/spec/ruby/library/date/infinity/uminus_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#-@" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/uplus_spec.rb b/spec/ruby/library/date/infinity/uplus_spec.rb
new file mode 100644
index 0000000000..dfc60b6b61
--- /dev/null
+++ b/spec/ruby/library/date/infinity/uplus_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#+@" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity/zero_spec.rb b/spec/ruby/library/date/infinity/zero_spec.rb
new file mode 100644
index 0000000000..2f4347255b
--- /dev/null
+++ b/spec/ruby/library/date/infinity/zero_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date::Infinity#zero?" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/infinity_spec.rb b/spec/ruby/library/date/infinity_spec.rb
new file mode 100644
index 0000000000..127fb8c2f4
--- /dev/null
+++ b/spec/ruby/library/date/infinity_spec.rb
@@ -0,0 +1,67 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date::Infinity" do
+
+  it "should be able to check whether Infinity is zero" do
+    i = Date::Infinity.new
+    i.zero?.should == false
+  end
+
+  it "should be able to check whether Infinity is finite" do
+    i1 = Date::Infinity.new
+    i1.finite?.should == false
+    i2 = Date::Infinity.new(-1)
+    i2.finite?.should == false
+    i3 = Date::Infinity.new(0)
+    i3.finite?.should == false
+  end
+
+  it "should be able to check whether Infinity is infinite" do
+    i1 = Date::Infinity.new
+    i1.infinite?.should == 1
+    i2 = Date::Infinity.new(-1)
+    i2.infinite?.should == -1
+    i3 = Date::Infinity.new(0)
+    i3.infinite?.should == nil
+  end
+
+  it "should be able to check whether Infinity is not a number" do
+    i1 = Date::Infinity.new
+    i1.nan?.should == false
+    i2 = Date::Infinity.new(-1)
+    i2.nan?.should == false
+    i3 = Date::Infinity.new(0)
+    i3.nan?.should == true
+  end
+
+  it "should be able to compare Infinity objects" do
+    i1 = Date::Infinity.new
+    i2 = Date::Infinity.new(-1)
+    i3 = Date::Infinity.new(0)
+    i4 = Date::Infinity.new
+    (i4 <=> i1).should == 0
+    (i3 <=> i1).should == -1
+    (i2 <=> i1).should == -1
+    (i3 <=> i2).should == 1
+  end
+
+  it "should be able to return plus Infinity for abs" do
+    i1 = Date::Infinity.new
+    i2 = Date::Infinity.new(-1)
+    i3 = Date::Infinity.new(0)
+    (i2.abs <=> i1).should == 0
+    (i3.abs <=> i1).should == 0
+  end
+
+  it "should be able to use -@ and +@ for Date::Infinity" do
+    (Date::Infinity.new <=> +Date::Infinity.new).should == 0
+    (Date::Infinity.new(-1) <=> -Date::Infinity.new).should == 0
+  end
+
+  it "should be able to coerce a Date::Infinity object" do
+    Date::Infinity.new.coerce(1).should == [-1, 1]
+    Date::Infinity.new(0).coerce(2).should == [0, 0]
+    Date::Infinity.new(-1).coerce(1.5).should == [1, -1]
+  end
+end
diff --git a/spec/ruby/library/date/inspect_spec.rb b/spec/ruby/library/date/inspect_spec.rb
new file mode 100644
index 0000000000..150eb6bf24
--- /dev/null
+++ b/spec/ruby/library/date/inspect_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#inspect" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/italy_spec.rb b/spec/ruby/library/date/italy_spec.rb
new file mode 100644
index 0000000000..2d251db1b0
--- /dev/null
+++ b/spec/ruby/library/date/italy_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#italy" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_spec.rb b/spec/ruby/library/date/jd_spec.rb
new file mode 100644
index 0000000000..ccf6b93e06
--- /dev/null
+++ b/spec/ruby/library/date/jd_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/jd', __FILE__)
+require 'date'
+
+describe "Date#jd" do
+
+  it "determines the Julian day for a Date object" do
+    Date.civil(2008, 1, 16).jd.should == 2454482
+  end
+
+end
+
+describe "Date.jd" do
+  it_behaves_like :date_jd, :jd
+end
diff --git a/spec/ruby/library/date/jd_to_ajd_spec.rb b/spec/ruby/library/date/jd_to_ajd_spec.rb
new file mode 100644
index 0000000000..38a12bd65d
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_ajd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_ajd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_to_civil_spec.rb b/spec/ruby/library/date/jd_to_civil_spec.rb
new file mode 100644
index 0000000000..8608de2698
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_civil_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_civil" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_to_commercial_spec.rb b/spec/ruby/library/date/jd_to_commercial_spec.rb
new file mode 100644
index 0000000000..97d76130f2
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_commercial_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_commercial" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_to_ld_spec.rb b/spec/ruby/library/date/jd_to_ld_spec.rb
new file mode 100644
index 0000000000..d27ada6b6c
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_ld_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_ld" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_to_mjd_spec.rb b/spec/ruby/library/date/jd_to_mjd_spec.rb
new file mode 100644
index 0000000000..064134c7ed
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_mjd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_mjd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_to_ordinal_spec.rb b/spec/ruby/library/date/jd_to_ordinal_spec.rb
new file mode 100644
index 0000000000..a5f5c79641
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_ordinal_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_ordinal" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/jd_to_wday_spec.rb b/spec/ruby/library/date/jd_to_wday_spec.rb
new file mode 100644
index 0000000000..569a53e409
--- /dev/null
+++ b/spec/ruby/library/date/jd_to_wday_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.jd_to_wday" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/julian_leap_spec.rb b/spec/ruby/library/date/julian_leap_spec.rb
new file mode 100644
index 0000000000..3915f97693
--- /dev/null
+++ b/spec/ruby/library/date/julian_leap_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.julian_leap?" do
+  it "determines whether a year is a leap year in the Julian calendar" do
+    Date.julian_leap?(1900).should be_true
+    Date.julian_leap?(2000).should be_true
+    Date.julian_leap?(2004).should be_true
+  end
+
+  it "determines whether a year is not a leap year in the Julian calendar" do
+    Date.julian_leap?(1999).should be_false
+    Date.julian_leap?(2002).should be_false
+  end
+end
diff --git a/spec/ruby/library/date/julian_spec.rb b/spec/ruby/library/date/julian_spec.rb
new file mode 100644
index 0000000000..8cbe27b881
--- /dev/null
+++ b/spec/ruby/library/date/julian_spec.rb
@@ -0,0 +1,16 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#julian?" do
+
+  it "marks a day before the calendar reform as Julian" do
+    Date.civil(1007, 2, 27).julian?.should == true
+    Date.civil(1907, 2, 27, Date.civil(1930, 1, 1).jd).julian?.should be_true
+  end
+
+  it "marks a day after the calendar reform as Julian" do
+    Date.civil(2007, 2, 27).julian?.should == false
+    Date.civil(1607, 2, 27, Date.civil(1582, 1, 1).jd).julian?.should be_false
+  end
+
+end
diff --git a/spec/ruby/library/date/ld_spec.rb b/spec/ruby/library/date/ld_spec.rb
new file mode 100644
index 0000000000..a59b519c04
--- /dev/null
+++ b/spec/ruby/library/date/ld_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#ld" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/ld_to_jd_spec.rb b/spec/ruby/library/date/ld_to_jd_spec.rb
new file mode 100644
index 0000000000..7adbbede37
--- /dev/null
+++ b/spec/ruby/library/date/ld_to_jd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.ld_to_jd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/leap_spec.rb b/spec/ruby/library/date/leap_spec.rb
new file mode 100644
index 0000000000..bb8e920a3e
--- /dev/null
+++ b/spec/ruby/library/date/leap_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#leap?" do
+  it "needs to be reviewed for spec completeness"
+end
+
+describe "Date.leap?" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/mday_spec.rb b/spec/ruby/library/date/mday_spec.rb
new file mode 100644
index 0000000000..8a1d6e8d59
--- /dev/null
+++ b/spec/ruby/library/date/mday_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#mday" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/minus_month_spec.rb b/spec/ruby/library/date/minus_month_spec.rb
new file mode 100644
index 0000000000..b6b20c5578
--- /dev/null
+++ b/spec/ruby/library/date/minus_month_spec.rb
@@ -0,0 +1,34 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#<<" do
+
+  it "substracts a number of months from a date" do
+    d = Date.civil(2007,2,27) << 10
+    d.should == Date.civil(2006, 4, 27)
+  end
+
+  it "returns the last day of a month if the day doesn't exist" do
+    d = Date.civil(2008,3,31) << 1
+    d.should == Date.civil(2008, 2, 29)
+  end
+
+  ruby_version_is ""..."2.3" do
+    it "raises an error on non numeric parameters" do
+      lambda { Date.civil(2007,2,27) << :hello }.should raise_error
+      lambda { Date.civil(2007,2,27) << "hello" }.should raise_error
+      lambda { Date.civil(2007,2,27) << Date.new }.should raise_error
+      lambda { Date.civil(2007,2,27) << Object.new }.should raise_error
+    end
+  end
+
+  ruby_version_is "2.3" do
+    it "raises an error on non numeric parameters" do
+      lambda { Date.civil(2007,2,27) << :hello }.should raise_error(TypeError)
+      lambda { Date.civil(2007,2,27) << "hello" }.should raise_error(TypeError)
+      lambda { Date.civil(2007,2,27) << Date.new }.should raise_error(TypeError)
+      lambda { Date.civil(2007,2,27) << Object.new }.should raise_error(TypeError)
+    end
+  end
+
+end
diff --git a/spec/ruby/library/date/minus_spec.rb b/spec/ruby/library/date/minus_spec.rb
new file mode 100644
index 0000000000..09da595872
--- /dev/null
+++ b/spec/ruby/library/date/minus_spec.rb
@@ -0,0 +1,30 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#-" do
+
+  it "substracts a number of days from a Date" do
+    d = Date.civil(2007, 5 ,2) - 13
+    d.should == Date.civil(2007, 4, 19)
+  end
+
+  it "substracts a negative number of days from a Date" do
+    d = Date.civil(2007, 4, 19).-(-13)
+    d.should == Date.civil(2007, 5 ,2)
+  end
+
+  it "computes the difference between two dates" do
+    (Date.civil(2007,2,27) - Date.civil(2007,2,27)).should == 0
+    (Date.civil(2007,2,27) - Date.civil(2007,2,26)).should == 1
+    (Date.civil(2006,2,27) - Date.civil(2007,2,27)).should == -365
+    (Date.civil(2008,2,27) - Date.civil(2007,2,27)).should == 365
+
+  end
+
+  it "raises an error for non Numeric arguments" do
+    lambda { Date.civil(2007,2,27) - :hello }.should raise_error(TypeError)
+    lambda { Date.civil(2007,2,27) - "hello" }.should raise_error(TypeError)
+    lambda { Date.civil(2007,2,27) - Object.new }.should raise_error(TypeError)
+  end
+
+end
diff --git a/spec/ruby/library/date/mjd_spec.rb b/spec/ruby/library/date/mjd_spec.rb
new file mode 100644
index 0000000000..7de39f0047
--- /dev/null
+++ b/spec/ruby/library/date/mjd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#mjd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/mjd_to_jd_spec.rb b/spec/ruby/library/date/mjd_to_jd_spec.rb
new file mode 100644
index 0000000000..fdda1330e5
--- /dev/null
+++ b/spec/ruby/library/date/mjd_to_jd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.mjd_to_jd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/mon_spec.rb b/spec/ruby/library/date/mon_spec.rb
new file mode 100644
index 0000000000..c3508b53bf
--- /dev/null
+++ b/spec/ruby/library/date/mon_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#mon" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/month_spec.rb b/spec/ruby/library/date/month_spec.rb
new file mode 100644
index 0000000000..7a98f572b6
--- /dev/null
+++ b/spec/ruby/library/date/month_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#month" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/new_spec.rb b/spec/ruby/library/date/new_spec.rb
new file mode 100644
index 0000000000..f468036a01
--- /dev/null
+++ b/spec/ruby/library/date/new_spec.rb
@@ -0,0 +1,8 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/civil', __FILE__)
+require File.expand_path('../shared/new_bang', __FILE__)
+
+describe "Date.new" do
+  it_behaves_like(:date_civil, :new)
+end
diff --git a/spec/ruby/library/date/new_start_spec.rb b/spec/ruby/library/date/new_start_spec.rb
new file mode 100644
index 0000000000..94ec6bee46
--- /dev/null
+++ b/spec/ruby/library/date/new_start_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#new_start" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/next_day_spec.rb b/spec/ruby/library/date/next_day_spec.rb
new file mode 100644
index 0000000000..1ccb4df257
--- /dev/null
+++ b/spec/ruby/library/date/next_day_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#next_day" do
+  it "returns the next day" do
+    d = Date.new(2000, 1, 5)
+    d1 = Date.new(2000, 1, 4).next_day
+    d1.should == d
+  end
+end
diff --git a/spec/ruby/library/date/next_spec.rb b/spec/ruby/library/date/next_spec.rb
new file mode 100644
index 0000000000..d88d31e974
--- /dev/null
+++ b/spec/ruby/library/date/next_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#next" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/next_year_spec.rb b/spec/ruby/library/date/next_year_spec.rb
new file mode 100644
index 0000000000..70f2f7ab77
--- /dev/null
+++ b/spec/ruby/library/date/next_year_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#next_year" do
+  it "returns the day of the reform if date falls within calendar reform" do
+    calendar_reform_italy = Date.new(1582, 10, 4)
+    d1 = Date.new(1581, 10, 9).next_year
+    d2 = Date.new(1581, 10, 10).next_year
+    d1.should == calendar_reform_italy
+    d2.should == calendar_reform_italy
+  end
+end
diff --git a/spec/ruby/library/date/ordinal_spec.rb b/spec/ruby/library/date/ordinal_spec.rb
new file mode 100644
index 0000000000..a373692a7b
--- /dev/null
+++ b/spec/ruby/library/date/ordinal_spec.rb
@@ -0,0 +1,8 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/ordinal', __FILE__)
+
+describe "Date.ordinal" do
+  it_behaves_like :date_ordinal, :ordinal
+end
+
diff --git a/spec/ruby/library/date/ordinal_to_jd_spec.rb b/spec/ruby/library/date/ordinal_to_jd_spec.rb
new file mode 100644
index 0000000000..0a76c69c00
--- /dev/null
+++ b/spec/ruby/library/date/ordinal_to_jd_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.ordinal_to_jd" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/parse_spec.rb b/spec/ruby/library/date/parse_spec.rb
new file mode 100644
index 0000000000..092c658809
--- /dev/null
+++ b/spec/ruby/library/date/parse_spec.rb
@@ -0,0 +1,137 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/parse', __FILE__)
+require File.expand_path('../shared/parse_us', __FILE__)
+require File.expand_path('../shared/parse_eu', __FILE__)
+require 'date'
+
+describe "Date#parse" do
+  # The space separator is also different, doesn't work for only numbers
+  it "parses a day name into a Date object" do
+    d = Date.parse("friday")
+    d.should == Date.commercial(d.cwyear, d.cweek, 5)
+  end
+
+  it "parses a month name into a Date object" do
+    d = Date.parse("october")
+    d.should == Date.civil(Date.today.year, 10)
+  end
+
+  it "parses a month day into a Date object" do
+    d = Date.parse("5th")
+    d.should == Date.civil(Date.today.year, Date.today.month, 5)
+  end
+
+  # Specs using numbers
+  it "throws an argument error for a single digit" do
+    lambda{ Date.parse("1") }.should raise_error(ArgumentError)
+  end
+
+  it "parses DD as month day number" do
+    d = Date.parse("10")
+    d.should == Date.civil(Date.today.year, Date.today.month, 10)
+  end
+
+  it "parses DDD as year day number" do
+    d = Date.parse("100")
+    if Date.gregorian_leap?(Date.today.year)
+      d.should == Date.civil(Date.today.year, 4, 9)
+    else
+      d.should == Date.civil(Date.today.year, 4, 10)
+    end
+  end
+
+  it "parses MMDD as month and day" do
+    d = Date.parse("1108")
+    d.should == Date.civil(Date.today.year, 11, 8)
+  end
+
+  it "parses YYDDD as year and day number in 1969--2068" do
+    d = Date.parse("10100")
+    d.should == Date.civil(2010, 4, 10)
+  end
+
+  it "parses YYMMDD as year, month and day in 1969--2068" do
+    d = Date.parse("201023")
+    d.should == Date.civil(2020, 10, 23)
+  end
+
+  it "parses YYYYDDD as year and day number" do
+    d = Date.parse("1910100")
+    d.should == Date.civil(1910, 4, 10)
+  end
+
+  it "parses YYYYMMDD as year, month and day number" do
+    d = Date.parse("19101101")
+    d.should == Date.civil(1910, 11, 1)
+  end
+end
+
+describe "Date#parse with '.' separator" do
+  before :all do
+    @sep = '.'
+  end
+
+  it_should_behave_like "date_parse"
+end
+
+describe "Date#parse with '/' separator" do
+  before :all do
+    @sep = '/'
+  end
+
+  it_should_behave_like "date_parse"
+end
+
+describe "Date#parse with ' ' separator" do
+  before :all do
+    @sep = ' '
+  end
+
+  it_should_behave_like "date_parse"
+end
+
+describe "Date#parse with '/' separator US-style" do
+  before :all do
+    @sep = '/'
+  end
+
+  it_should_behave_like "date_parse_us"
+end
+
+describe "Date#parse with '-' separator EU-style" do
+  before :all do
+    @sep = '-'
+  end
+
+  it_should_behave_like "date_parse_eu"
+end
+
+describe "Date#parse(.)" do
+  it "parses YYYY.MM.DD into a Date object" do
+    d = Date.parse("2007.10.01")
+    d.year.should == 2007
+    d.month.should == 10
+    d.day.should == 1
+  end
+
+  it "parses DD.MM.YYYY into a Date object" do
+    d = Date.parse("10.01.2007")
+    d.year.should == 2007
+    d.month.should == 1
+    d.day.should == 10
+  end
+
+  it "parses YY.MM.DD into a Date object using the year 20YY" do
+    d = Date.parse("10.01.07")
+    d.year.should == 2010
+    d.month.should == 1
+    d.day.should == 7
+  end
+
+  it "parses YY.MM.DD using the year digits as 20YY when given true as additional argument" do
+    d = Date.parse("10.01.07", true)
+    d.year.should == 2010
+    d.month.should == 1
+    d.day.should == 7
+  end
+end
diff --git a/spec/ruby/library/date/plus_spec.rb b/spec/ruby/library/date/plus_spec.rb
new file mode 100644
index 0000000000..e33fb199eb
--- /dev/null
+++ b/spec/ruby/library/date/plus_spec.rb
@@ -0,0 +1,20 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#+" do
+  before :all do
+    @date = Date.civil(2000, 1, 1)
+  end
+
+  it "returns a new Date object that is n days later than the current one" do
+    (@date + 31).should == Date.civil(2000, 2, 1)
+  end
+
+  it "accepts a negative argument and returns a new Date that is earlier than the current one" do
+    (@date + -1).should == Date.civil(1999, 12, 31)
+  end
+
+  it "raises TypeError if argument is not Numeric" do
+    lambda { Date.today + Date.today }.should raise_error(TypeError)
+  end
+end
diff --git a/spec/ruby/library/date/prev_year_spec.rb b/spec/ruby/library/date/prev_year_spec.rb
new file mode 100644
index 0000000000..4f27d1d1f9
--- /dev/null
+++ b/spec/ruby/library/date/prev_year_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#prev_year" do
+  it "returns the day of the reform if date falls within calendar reform" do
+    calendar_reform_italy = Date.new(1582, 10, 4)
+    d1 = Date.new(1583, 10, 9).prev_year
+    d2 = Date.new(1583, 10, 10).prev_year
+    d1.should == calendar_reform_italy
+    d2.should == calendar_reform_italy
+  end
+end
diff --git a/spec/ruby/library/date/relationship_spec.rb b/spec/ruby/library/date/relationship_spec.rb
new file mode 100644
index 0000000000..7c09457228
--- /dev/null
+++ b/spec/ruby/library/date/relationship_spec.rb
@@ -0,0 +1,20 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#===" do
+
+  it "returns 0 when comparing two equal dates" do
+    (Date.civil(2000, 04, 06) <=> Date.civil(2000, 04, 06)).should == 0
+  end
+
+  it "computes the difference between two dates" do
+    (Date.civil(2000, 04, 05) <=> Date.civil(2000, 04, 06)).should == -1
+    (Date.civil(2001, 04, 05) <=> Date.civil(2000, 04, 06)).should == 1
+  end
+
+  it "compares to another numeric" do
+    (Date.civil(2000, 04, 05) <=> Date.civil(2000, 04, 06).jd).should == -1
+    (Date.civil(2001, 04, 05) <=> Date.civil(2000, 04, 06).jd).should == 1
+  end
+
+end
diff --git a/spec/ruby/library/date/right_shift_spec.rb b/spec/ruby/library/date/right_shift_spec.rb
new file mode 100644
index 0000000000..3d55e5abed
--- /dev/null
+++ b/spec/ruby/library/date/right_shift_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#>>" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/shared/civil.rb b/spec/ruby/library/date/shared/civil.rb
new file mode 100644
index 0000000000..47dbed49fc
--- /dev/null
+++ b/spec/ruby/library/date/shared/civil.rb
@@ -0,0 +1,57 @@
+describe :date_civil, shared: true do
+  it "creates a Date for -4712 by default" do
+    # the #chomp calls are necessary because of RSpec
+    d = Date.send(@method)
+    d.year.should == -4712
+    d.month.should == 1
+    d.day.should == 1
+    d.julian?.should == true
+    d.jd.should == 0
+  end
+
+  it "creates a date with arguments" do
+    d = Date.send(@method, 2000, 3, 5)
+    d.year.should == 2000
+    d.month.should == 3
+    d.day.should == 5
+    d.julian?.should == false
+    d.jd.should == 2451609
+
+    # Should also work with years far in the past and future
+
+    d = Date.send(@method, -9000, 7, 5)
+    d.year.should == -9000
+    d.month.should == 7
+    d.day.should == 5
+    d.julian?.should == true
+    d.jd.should == -1566006
+
+    d = Date.send(@method, 9000, 10, 14)
+    d.year.should == 9000
+    d.month.should == 10
+    d.day.should == 14
+    d.julian?.should == false
+    d.jd.should == 5008529
+
+  end
+
+  it "doesn't create dates for invalid arguments" do
+    lambda { Date.send(@method, 2000, 13, 31) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2000, 12, 32) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2000,  2, 30) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 1900,  2, 29) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2000,  2, 29) }.should_not raise_error(ArgumentError)
+
+    lambda { Date.send(@method, 1582, 10, 14) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 1582, 10, 15) }.should_not raise_error(ArgumentError)
+
+  end
+
+  it "creates a Date for different calendar reform dates" do
+    d1 = Date.send(@method, 1582, 10, 4)
+    d1.succ.day.should == 15
+
+    d2 = Date.send(@method, 1582, 10, 4, Date::ENGLAND)
+    d2.succ.day.should == 5
+  end
+end
diff --git a/spec/ruby/library/date/shared/commercial.rb b/spec/ruby/library/date/shared/commercial.rb
new file mode 100644
index 0000000000..354a5d5cd0
--- /dev/null
+++ b/spec/ruby/library/date/shared/commercial.rb
@@ -0,0 +1,39 @@
+describe :date_commercial, shared: true do
+  it "creates a Date for Julian Day Number day 0 by default" do
+    d = Date.send(@method)
+    d.year.should == -4712
+    d.month.should == 1
+    d.day.should == 1
+  end
+
+  it "creates a Date for the monday in the year and week given" do
+    d = Date.send(@method, 2000, 1)
+    d.year.should == 2000
+    d.month.should == 1
+    d.day.should == 3
+    d.cwday.should == 1
+  end
+
+  it "creates a Date for the correct day given the year, week and day number" do
+    d = Date.send(@method, 2004, 1, 1)
+    d.year.should == 2003
+    d.month.should == 12
+    d.day.should == 29
+    d.cwday.should == 1
+    d.cweek.should == 1
+    d.cwyear.should == 2004
+  end
+
+  it "creates only Date objects for valid weeks" do
+    lambda { Date.send(@method, 2004, 53, 1) }.should_not raise_error(ArgumentError)
+    lambda { Date.send(@method, 2004, 53, 0) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2004, 53, 8) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2004, 54, 1) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2004,  0, 1) }.should raise_error(ArgumentError)
+
+    lambda { Date.send(@method, 2003, 52, 1) }.should_not raise_error(ArgumentError)
+    lambda { Date.send(@method, 2003, 53, 1) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2003, 52, 0) }.should raise_error(ArgumentError)
+    lambda { Date.send(@method, 2003, 52, 8) }.should raise_error(ArgumentError)
+  end
+end
diff --git a/spec/ruby/library/date/shared/jd.rb b/spec/ruby/library/date/shared/jd.rb
new file mode 100644
index 0000000000..511557b4f7
--- /dev/null
+++ b/spec/ruby/library/date/shared/jd.rb
@@ -0,0 +1,14 @@
+describe :date_jd, shared: true do
+  it "constructs a Date object if passed a Julian day" do
+    Date.send(@method, 2454482).should == Date.civil(2008, 1, 16)
+  end
+
+  it "returns a Date object representing Julian day 0 (-4712-01-01) if no arguments passed" do
+    Date.send(@method).should == Date.civil(-4712, 1, 1)
+  end
+
+  it "constructs a Date object if passed a negative number" do
+    Date.send(@method, -1).should == Date.civil(-4713, 12, 31)
+  end
+
+end
diff --git a/spec/ruby/library/date/shared/new_bang.rb b/spec/ruby/library/date/shared/new_bang.rb
new file mode 100644
index 0000000000..90f1b432f0
--- /dev/null
+++ b/spec/ruby/library/date/shared/new_bang.rb
@@ -0,0 +1,14 @@
+describe :date_new_bang, shared: true do
+
+  it "returns a new Date object set to Astronomical Julian Day 0 if no arguments passed" do
+    d = Date.send(@method)
+    d.ajd.should == 0
+  end
+
+  it "accepts astronomical julian day number, offset as a fraction of a day and returns a new Date object" do
+    d = Date.send(@method, 10, 0.5)
+    d.ajd.should == 10
+    d.jd.should == 11
+  end
+
+end
diff --git a/spec/ruby/library/date/shared/ordinal.rb b/spec/ruby/library/date/shared/ordinal.rb
new file mode 100644
index 0000000000..4b182d5a25
--- /dev/null
+++ b/spec/ruby/library/date/shared/ordinal.rb
@@ -0,0 +1,22 @@
+# reference:
+# October 1582 (the Gregorian calendar, Civil Date)
+#   S   M  Tu   W  Th   F   S
+#       1   2   3   4  15  16
+#  17  18  19  20  21  22  23
+#  24  25  26  27  28  29  30
+#  31
+
+describe :date_ordinal, shared: true do
+  it "constructs a Date object from an ordinal date" do
+    # October 1582 (the Gregorian calendar, Ordinal Date)
+    #   S   M  Tu   W  Th   F   S
+    #     274 275 276 277 278 279
+    # 280 281 282 283 284 285 286
+    # 287 288 289 290 291 292 293
+    # 294
+    Date.send(@method, 1582, 274).should == Date.civil(1582, 10,  1)
+    Date.send(@method, 1582, 277).should == Date.civil(1582, 10,  4)
+    Date.send(@method, 1582, 278).should == Date.civil(1582, 10, 15)
+    Date.send(@method, 1582, 287, Date::ENGLAND).should == Date.civil(1582, 10, 14, Date::ENGLAND)
+  end
+end
diff --git a/spec/ruby/library/date/shared/parse.rb b/spec/ruby/library/date/shared/parse.rb
new file mode 100644
index 0000000000..1015285e04
--- /dev/null
+++ b/spec/ruby/library/date/shared/parse.rb
@@ -0,0 +1,54 @@
+describe :date_parse, shared: true do
+  it "can parse a mmm-YYYY string into a Date object" do
+    d = Date.parse("feb#{@sep}2008")
+    d.year.should == 2008
+    d.month.should == 2
+    d.day.should == 1
+  end
+
+  it "can parse a 'DD mmm YYYY' string into a Date object" do
+    d = Date.parse("23#{@sep}feb#{@sep}2008")
+    d.year.should == 2008
+    d.month.should == 2
+    d.day.should == 23
+  end
+
+  it "can parse a 'mmm DD YYYY' string into a Date object" do
+    d = Date.parse("23#{@sep}feb#{@sep}2008")
+    d.year.should == 2008
+    d.month.should == 2
+    d.day.should == 23
+  end
+
+  it "can parse a 'YYYY mmm DD' string into a Date object" do
+    d = Date.parse("2008#{@sep}feb#{@sep}23")
+    d.year.should == 2008
+    d.month.should == 2
+    d.day.should == 23
+  end
+
+  it "can parse a month name and day into a Date object" do
+    d = Date.parse("november#{@sep}5th")
+    d.should == Date.civil(Date.today.year, 11, 5)
+  end
+
+  it "can parse a month name, day and year into a Date object" do
+    d = Date.parse("november#{@sep}5th#{@sep}2005")
+    d.should == Date.civil(2005, 11, 5)
+  end
+
+  it "can parse a year, month name and day into a Date object" do
+    d = Date.parse("2005#{@sep}november#{@sep}5th")
+    d.should == Date.civil(2005, 11, 5)
+  end
+
+  it "can parse a year, day and month name into a Date object" do
+    d = Date.parse("5th#{@sep}november#{@sep}2005")
+    d.should == Date.civil(2005, 11, 5)
+  end
+
+  it "can handle negative year numbers" do
+    d = Date.parse("5th#{@sep}november#{@sep}-2005")
+    d.should == Date.civil(-2005, 11, 5)
+  end
+end
diff --git a/spec/ruby/library/date/shared/parse_eu.rb b/spec/ruby/library/date/shared/parse_eu.rb
new file mode 100644
index 0000000000..ecb15e3c0e
--- /dev/null
+++ b/spec/ruby/library/date/shared/parse_eu.rb
@@ -0,0 +1,37 @@
+describe :date_parse_eu, shared: true do
+  # The - separator let's it work like European format, so it as a different spec
+  it "can parse a YYYY-MM-DD string into a Date object" do
+    d = Date.parse("2007#{@sep}10#{@sep}01")
+    d.year.should == 2007
+    d.month.should == 10
+    d.day.should == 1
+  end
+
+  it "can parse a MM-DD-YYYY string into a Date object" do
+    d = Date.parse("10#{@sep}01#{@sep}2007")
+    d.year.should == 2007
+    d.month.should == 1
+    d.day.should == 10
+  end
+
+  it "can parse a MM-DD-YY string into a Date object" do
+    d = Date.parse("10#{@sep}01#{@sep}07")
+    d.year.should == 2010
+    d.month.should == 1
+    d.day.should == 7
+  end
+
+  it "can parse a MM-DD-YY string into a Date object NOT using the year digits as 20XX" do
+    d = Date.parse("10#{@sep}01#{@sep}07", false)
+    d.year.should == 10
+    d.month.should == 1
+    d.day.should == 7
+  end
+
+  it "can parse a MM-DD-YY string into a Date object using the year digits as 20XX" do
+    d = Date.parse("10#{@sep}01#{@sep}07", true)
+    d.year.should == 2010
+    d.month.should == 1
+    d.day.should == 7
+  end
+end
diff --git a/spec/ruby/library/date/shared/parse_us.rb b/spec/ruby/library/date/shared/parse_us.rb
new file mode 100644
index 0000000000..7be62b1af1
--- /dev/null
+++ b/spec/ruby/library/date/shared/parse_us.rb
@@ -0,0 +1,36 @@
+describe :date_parse_us, shared: true do
+  it "parses a YYYY#{@sep}MM#{@sep}DD string into a Date object" do
+    d = Date.parse("2007#{@sep}10#{@sep}01")
+    d.year.should == 2007
+    d.month.should == 10
+    d.day.should == 1
+  end
+
+  it "parses a MM#{@sep}DD#{@sep}YYYY string into a Date object" do
+    d = Date.parse("10#{@sep}01#{@sep}2007")
+    d.year.should == 2007
+    d.month.should == 1
+    d.day.should == 10
+  end
+
+  it "parses a MM#{@sep}DD#{@sep}YY string into a Date object" do
+    d = Date.parse("10#{@sep}01#{@sep}07")
+    d.year.should == 2010
+    d.month.should == 1
+    d.day.should == 7
+  end
+
+  it "parses a MM#{@sep}DD#{@sep}YY string into a Date object NOT using the year digits as 20XX" do
+    d = Date.parse("10#{@sep}01#{@sep}07", false)
+    d.year.should == 10
+    d.month.should == 1
+    d.day.should == 7
+  end
+
+  it "parses a MM#{@sep}DD#{@sep}YY string into a Date object using the year digits as 20XX" do
+    d = Date.parse("10#{@sep}01#{@sep}07", true)
+    d.year.should == 2010
+    d.month.should == 1
+    d.day.should == 7
+  end
+end
diff --git a/spec/ruby/library/date/shared/valid_civil.rb b/spec/ruby/library/date/shared/valid_civil.rb
new file mode 100644
index 0000000000..545c207bbe
--- /dev/null
+++ b/spec/ruby/library/date/shared/valid_civil.rb
@@ -0,0 +1,36 @@
+describe :date_valid_civil?, shared: true do
+
+  # reference:
+  # October 1582 (the Gregorian calendar, Civil Date)
+  #   S   M  Tu   W  Th   F   S
+  #       1   2   3   4  15  16
+  #  17  18  19  20  21  22  23
+  #  24  25  26  27  28  29  30
+  #  31
+
+  it "returns true if it is a valid civil date" do
+    Date.send(@method, 1582, 10, 15).should be_true
+    Date.send(@method, 1582, 10, 14, Date::ENGLAND).should be_true
+  end
+
+  it "returns false if it is not a valid civil date" do
+    Date.send(@method, 1582, 10, 14).should == false
+  end
+
+  it "handles negative months and days" do
+    # October 1582 (the Gregorian calendar, Civil Date)
+    #     S   M  Tu   W  Th   F   S
+    #       -21 -20 -19 -18 -17 -16
+    #   -15 -14 -13 -12 -11 -10  -9
+    #    -8  -7  -6  -5  -4  -3  -2
+    #    -1
+    Date.send(@method, 1582, -3, -22).should be_false
+    Date.send(@method, 1582, -3, -21).should be_true
+    Date.send(@method, 1582, -3, -18).should be_true
+    Date.send(@method, 1582, -3, -17).should be_true
+
+    Date.send(@method, 2007, -11, -10).should be_true
+    Date.send(@method, 2008, -11, -10).should be_true
+  end
+
+end
diff --git a/spec/ruby/library/date/shared/valid_commercial.rb b/spec/ruby/library/date/shared/valid_commercial.rb
new file mode 100644
index 0000000000..117dfe1d3d
--- /dev/null
+++ b/spec/ruby/library/date/shared/valid_commercial.rb
@@ -0,0 +1,34 @@
+describe :date_valid_commercial?, shared: true do
+
+  it "returns true if it is a valid commercial date" do
+    # October 1582 (the Gregorian calendar, Commercial Date)
+    #      M Tu  W Th  F Sa Su
+    # 39:  1  2  3  4  5  6  7
+    # 40:  1  2  3  4  5  6  7
+    # 41:  1  2  3  4  5  6  7
+    Date.send(@method, 1582, 39, 4).should be_true
+    Date.send(@method, 1582, 39, 5).should be_true
+    Date.send(@method, 1582, 41, 4).should be_true
+    Date.send(@method, 1582, 41, 5).should be_true
+    Date.send(@method, 1582, 41, 4, Date::ENGLAND).should be_true
+    Date.send(@method, 1752, 37, 4, Date::ENGLAND).should be_true
+  end
+
+  it "returns false it is not a valid commercial date" do
+    Date.send(@method, 1999, 53, 1).should be_false
+  end
+
+  it "handles negative week and day numbers" do
+    # October 1582 (the Gregorian calendar, Commercial Date)
+    #       M Tu  W Th  F Sa Su
+    # -12: -7 -6 -5 -4 -3 -2 -1
+    # -11: -7 -6 -5 -4 -3 -2 -1
+    # -10: -7 -6 -5 -4 -3 -2 -1
+    Date.send(@method, 1582, -12, -4).should be_true
+    Date.send(@method, 1582, -12, -3).should be_true
+    Date.send(@method, 2007, -44, -2).should be_true
+    Date.send(@method, 2008, -44, -2).should be_true
+    Date.send(@method, 1999, -53, -1).should be_false
+  end
+
+end
diff --git a/spec/ruby/library/date/shared/valid_jd.rb b/spec/ruby/library/date/shared/valid_jd.rb
new file mode 100644
index 0000000000..d8a35992b3
--- /dev/null
+++ b/spec/ruby/library/date/shared/valid_jd.rb
@@ -0,0 +1,15 @@
+describe :date_valid_jd?, shared: true do
+  it "returns true if passed any value other than nil" do
+    Date.send(@method, -100).should be_true
+    Date.send(@method, :number).should    be_true
+    Date.send(@method, Rational(1,2)).should  be_true
+  end
+
+  it "returns false if passed nil" do
+    Date.send(@method, nil).should be_false
+  end
+
+  it "returns true if passed false" do
+    Date.send(@method, false).should be_true
+  end
+end
diff --git a/spec/ruby/library/date/shared/valid_ordinal.rb b/spec/ruby/library/date/shared/valid_ordinal.rb
new file mode 100644
index 0000000000..1ed961be23
--- /dev/null
+++ b/spec/ruby/library/date/shared/valid_ordinal.rb
@@ -0,0 +1,26 @@
+describe :date_valid_ordinal?, shared: true do
+  it "determines if the date is a valid ordinal date" do
+    # October 1582 (the Gregorian calendar, Ordinal Date)
+    #   S   M  Tu   W  Th   F   S
+    #     274 275 276 277 278 279
+    # 280 281 282 283 284 285 286
+    # 287 288 289 290 291 292 293
+    # 294
+    Date.send(@method, 1582, 277).should == true
+    Date.send(@method, 1582, 278).should == true
+    Date.send(@method, 1582, 287).should == true
+    Date.send(@method, 1582, 288).should == true
+  end
+
+  it "handles negative day numbers" do
+    # October 1582 (the Gregorian calendar, Ordinal Date)
+    #   S   M  Tu   W  Th   F   S
+    #     -82 -81 -80 -79 -78 -77
+    # -76 -75 -74 -73 -72 -71 -70
+    # -69 -68 -67 -66 -65 -64 -63
+    # -62
+    Date.send(@method, 1582, -79).should == true
+    Date.send(@method, 1582, -78).should == true
+    Date.send(@method, 2007, -100).should == true
+  end
+end
diff --git a/spec/ruby/library/date/start_spec.rb b/spec/ruby/library/date/start_spec.rb
new file mode 100644
index 0000000000..285037b094
--- /dev/null
+++ b/spec/ruby/library/date/start_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#start" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/step_spec.rb b/spec/ruby/library/date/step_spec.rb
new file mode 100644
index 0000000000..249633e807
--- /dev/null
+++ b/spec/ruby/library/date/step_spec.rb
@@ -0,0 +1,56 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#step" do
+
+  it "steps forward in time" do
+    ds    = Date.civil(2008, 10, 11)
+    de    = Date.civil(2008,  9, 29)
+    count = 0
+    de.step(ds) do |d|
+      d.should <= ds
+      d.should >= de
+      count += 1
+    end
+    count.should == 13
+
+    count = 0
+    de.step(ds, 5) do |d|
+      d.should <= ds
+      d.should >= de
+      count += 1
+    end
+    count.should == 3
+
+    count = 0
+    ds.step(de) do |d|; count += 1; end
+    count.should == 0
+
+  end
+
+  it "steps backward in time" do
+    ds    = Date.civil(2000, 4, 14)
+    de    = Date.civil(2000, 3, 29)
+    count = 0
+    ds.step(de, -1) do |d|
+      d.should <= ds
+      d.should >= de
+      count += 1
+    end
+    count.should == 17
+
+    count = 0
+    ds.step(de, -5) do |d|
+      d.should <= ds
+      d.should >= de
+      count += 1
+    end
+    count.should == 4
+
+    count = 0
+    de.step(ds, -1) do |d|; count += 1; end
+    count.should == 0
+
+  end
+
+end
diff --git a/spec/ruby/library/date/strftime_spec.rb b/spec/ruby/library/date/strftime_spec.rb
new file mode 100644
index 0000000000..81bb162ff7
--- /dev/null
+++ b/spec/ruby/library/date/strftime_spec.rb
@@ -0,0 +1,40 @@
+require 'date'
+require File.expand_path('../../../shared/time/strftime_for_date', __FILE__)
+
+describe "Date#strftime" do
+  before :all do
+    @new_date = lambda { |y,m,d| Date.civil(y,m,d) }
+
+    @date = Date.civil(2000, 4, 9)
+  end
+
+  it_behaves_like :strftime_date, :strftime
+
+  # Differences with Time
+  it "should be able to print the date with no argument" do
+    @date.strftime.should == "2000-04-09"
+    @date.strftime.should == @date.to_s
+  end
+
+  # %Z is %:z for Date/DateTime
+  it "should be able to show the timezone with a : separator" do
+    @date.strftime("%Z").should == "+00:00"
+  end
+
+  # %v is %e-%b-%Y for Date/DateTime
+  it "should be able to show the commercial week" do
+    @date.strftime("%v").should == " 9-Apr-2000"
+    @date.strftime("%v").should == @date.strftime('%e-%b-%Y')
+  end
+
+  # additional conversion specifiers only in Date/DateTime
+  it 'shows the number of milliseconds since epoch' do
+    DateTime.new(1970, 1, 1).strftime('%Q').should == "0"
+    @date.strftime("%Q").should == "955238400000"
+  end
+
+  it "should be able to show a full notation" do
+    @date.strftime("%+").should == "Sun Apr  9 00:00:00 +00:00 2000"
+    @date.strftime("%+").should == @date.strftime('%a %b %e %H:%M:%S %Z %Y')
+  end
+end
diff --git a/spec/ruby/library/date/strptime_spec.rb b/spec/ruby/library/date/strptime_spec.rb
new file mode 100644
index 0000000000..21a73da086
--- /dev/null
+++ b/spec/ruby/library/date/strptime_spec.rb
@@ -0,0 +1,149 @@
+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#strptime" do
+
+  it "returns January 1, 4713 BCE when given no arguments" do
+    Date.strptime.should == Date.civil(-4712, 1, 1)
+  end
+
+  it "uses the default format when not given a date format" do
+    Date.strptime("2000-04-06").should == Date.civil(2000, 4, 6)
+    Date.civil(2000, 4, 6).strftime.should == Date.civil(2000, 4, 6).to_s
+  end
+
+  it "parses a full day name" do
+    d = Date.today
+    expected_date = Date.commercial(d.cwyear, d.cweek, 4)
+    # strptime assumed week that start on sunday, not monday
+    expected_date += 7 if d.cwday == 7
+    Date.strptime("Thursday", "%A").should == expected_date
+  end
+
+  it "parses a short day name" do
+    d = Date.today
+    expected_date = Date.commercial(d.cwyear, d.cweek, 4)
+    # strptime assumed week that start on sunday, not monday
+    expected_date += 7 if d.cwday == 7
+    Date.strptime("Thu", "%a").should == expected_date
+  end
+
+  it "parses a full month name" do
+    d = Date.today
+    Date.strptime("April", "%B").should == Date.civil(d.year, 4, 1)
+  end
+
+  it "parses a short month name" do
+    d = Date.today
+    Date.strptime("Apr", "%b").should == Date.civil(d.year, 4, 1)
+    Date.strptime("Apr", "%h").should == Date.civil(d.year, 4, 1)
+  end
+
+  it "parses a century" do
+    Date.strptime("06 20", "%y %C").should == Date.civil(2006, 1, 1)
+  end
+
+  it "parses a month day with leading zeroes" do
+    d = Date.today
+    Date.strptime("06", "%d").should == Date.civil(d.year, d.month, 6)
+  end
+
+  it "parses a month day with leading spaces" do
+    d = Date.today
+    Date.strptime(" 6", "%e").should == Date.civil(d.year, d.month, 6)
+  end
+
+  it "parses a commercial year with leading zeroes" do
+    Date.strptime("2000", "%G").should == Date.civil(2000,  1,  3)
+    Date.strptime("2002", "%G").should == Date.civil(2001, 12, 31)
+  end
+
+  it "parses a commercial year with only two digits" do
+    Date.strptime("68", "%g").should == Date.civil(2068,  1,  2)
+    Date.strptime("69", "%g").should == Date.civil(1968, 12, 30)
+  end
+
+  it "parses a year day with leading zeroes" do
+    d = Date.today
+    if Date.gregorian_leap?(Date.today.year)
+      Date.strptime("097", "%j").should == Date.civil(d.year, 4, 6)
+    else
+      Date.strptime("097", "%j").should == Date.civil(d.year, 4, 7)
+    end
+  end
+
+  it "parses a month with leading zeroes" do
+    d = Date.today
+    Date.strptime("04", "%m").should == Date.civil(d.year, 4, 1)
+  end
+
+  it "parses a week number for a week starting on Sunday" do
+    Date.strptime("2010/1", "%Y/%U").should == Date.civil(2010, 1, 3)
+  end
+
+  # See http://redmine.ruby-lang.org/repositories/diff/ruby-19?rev=24500
+  it "parses a week number for a week starting on Monday" do
+    Date.strptime("2010/1", "%Y/%W").should == Date.civil(2010, 1, 4)
+  end
+
+  it "parses a commercial week day" do
+    Date.strptime("2008 1", "%G %u").should == Date.civil(2007, 12, 31)
+  end
+
+  it "parses a commercial week" do
+    d = Date.commercial(Date.today.cwyear,1,1)
+    Date.strptime("1", "%V").should == d
+    Date.strptime("15", "%V").should == Date.commercial(d.cwyear, 15, 1)
+  end
+
+  it "parses a week day" do
+    Date.strptime("2007 4", "%Y %w").should == Date.civil(2007, 1, 4)
+  end
+
+  it "parses a year in YYYY format" do
+    Date.strptime("2007", "%Y").should == Date.civil(2007, 1, 1)
+  end
+
+  it "parses a year in YY format" do
+    Date.strptime("00", "%y").should == Date.civil(2000, 1, 1)
+  end
+
+  ############################
+  # Specs that combine stuff #
+  ############################
+
+  it "parses a full date" do
+    Date.strptime("Thu Apr  6 00:00:00 2000", "%c").should == Date.civil(2000, 4, 6)
+    Date.strptime("Thu Apr  6 00:00:00 2000", "%a %b %e %H:%M:%S %Y").should == Date.civil(2000, 4, 6)
+  end
+
+  it "parses a date with slashes" do
+    Date.strptime("04/06/00", "%D").should == Date.civil(2000, 4, 6)
+    Date.strptime("04/06/00", "%m/%d/%y").should == Date.civil(2000, 4, 6)
+  end
+
+  it "parses a date given as YYYY-MM-DD" do
+    Date.strptime("2000-04-06", "%F").should == Date.civil(2000, 4, 6)
+    Date.strptime("2000-04-06", "%Y-%m-%d").should == Date.civil(2000, 4, 6)
+  end
+
+  it "parses a commercial week" do
+    Date.strptime(" 9-Apr-2000", "%v").should == Date.civil(2000, 4, 9)
+    Date.strptime(" 9-Apr-2000", "%e-%b-%Y").should == Date.civil(2000, 4, 9)
+  end
+
+  it "parses a date given MM/DD/YY" do
+    Date.strptime("04/06/00", "%x").should == Date.civil(2000, 4, 6)
+    Date.strptime("04/06/00", "%m/%d/%y").should == Date.civil(2000, 4, 6)
+  end
+
+  it "parses a date given in full notation" do
+    Date.strptime("Sun Apr  9 00:00:00 +00:00 2000", "%+").should == Date.civil(2000, 4, 9)
+    Date.strptime("Sun Apr  9 00:00:00 +00:00 2000", "%a %b %e %H:%M:%S %Z %Y").should == Date.civil(2000, 4, 9)
+  end
+
+end
+
+describe "Date.strptime" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/succ_spec.rb b/spec/ruby/library/date/succ_spec.rb
new file mode 100644
index 0000000000..2650810e73
--- /dev/null
+++ b/spec/ruby/library/date/succ_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#succ" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/time_to_day_fraction_spec.rb b/spec/ruby/library/date/time_to_day_fraction_spec.rb
new file mode 100644
index 0000000000..06d477b601
--- /dev/null
+++ b/spec/ruby/library/date/time_to_day_fraction_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.time_to_day_fraction" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/to_s_spec.rb b/spec/ruby/library/date/to_s_spec.rb
new file mode 100644
index 0000000000..a81297d689
--- /dev/null
+++ b/spec/ruby/library/date/to_s_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#to_s" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/today_spec.rb b/spec/ruby/library/date/today_spec.rb
new file mode 100644
index 0000000000..09e8ed6006
--- /dev/null
+++ b/spec/ruby/library/date/today_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.today" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/upto_spec.rb b/spec/ruby/library/date/upto_spec.rb
new file mode 100644
index 0000000000..c99aabd1d7
--- /dev/null
+++ b/spec/ruby/library/date/upto_spec.rb
@@ -0,0 +1,16 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#upto" do
+  it "returns future dates for the default step value" do
+    ds    = Date.civil(2008, 10, 11)
+    de    = Date.civil(2008,  9, 29)
+    count = 0
+    de.upto(ds) do |d|
+      d.should <= ds
+      d.should >= de
+      count += 1
+    end
+    count.should == 13
+  end
+end
diff --git a/spec/ruby/library/date/valid_civil_spec.rb b/spec/ruby/library/date/valid_civil_spec.rb
new file mode 100644
index 0000000000..09185674ee
--- /dev/null
+++ b/spec/ruby/library/date/valid_civil_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/valid_civil', __FILE__)
+require 'date'
+
+describe "Date#valid_civil?" do
+
+  it_behaves_like :date_valid_civil?, :valid_civil?
+
+end
+
diff --git a/spec/ruby/library/date/valid_commercial_spec.rb b/spec/ruby/library/date/valid_commercial_spec.rb
new file mode 100644
index 0000000000..187d818233
--- /dev/null
+++ b/spec/ruby/library/date/valid_commercial_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/valid_commercial', __FILE__)
+require 'date'
+
+describe "Date#valid_commercial?" do
+
+  it_behaves_like :date_valid_commercial?, :valid_commercial?
+end
+
+
diff --git a/spec/ruby/library/date/valid_date_spec.rb b/spec/ruby/library/date/valid_date_spec.rb
new file mode 100644
index 0000000000..ffaf007cd1
--- /dev/null
+++ b/spec/ruby/library/date/valid_date_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/valid_civil', __FILE__)
+require 'date'
+
+describe "Date#valid_date?" do
+  it_behaves_like :date_valid_civil?, :valid_date?
+end
diff --git a/spec/ruby/library/date/valid_jd_spec.rb b/spec/ruby/library/date/valid_jd_spec.rb
new file mode 100644
index 0000000000..9764c02f2b
--- /dev/null
+++ b/spec/ruby/library/date/valid_jd_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/valid_jd', __FILE__)
+require 'date'
+
+describe "Date.valid_jd?" do
+
+  it_behaves_like :date_valid_jd?, :valid_jd?
+
+end
+
diff --git a/spec/ruby/library/date/valid_ordinal_spec.rb b/spec/ruby/library/date/valid_ordinal_spec.rb
new file mode 100644
index 0000000000..e197bb2051
--- /dev/null
+++ b/spec/ruby/library/date/valid_ordinal_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/valid_ordinal', __FILE__)
+require 'date'
+
+describe "Date.valid_ordinal?" do
+
+  it_behaves_like :date_valid_ordinal?, :valid_ordinal?
+
+end
+
diff --git a/spec/ruby/library/date/valid_time_spec.rb b/spec/ruby/library/date/valid_time_spec.rb
new file mode 100644
index 0000000000..e96f9041b7
--- /dev/null
+++ b/spec/ruby/library/date/valid_time_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.valid_time?" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/wday_spec.rb b/spec/ruby/library/date/wday_spec.rb
new file mode 100644
index 0000000000..1d40b0c96c
--- /dev/null
+++ b/spec/ruby/library/date/wday_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#wday" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/yday_spec.rb b/spec/ruby/library/date/yday_spec.rb
new file mode 100644
index 0000000000..92bf616406
--- /dev/null
+++ b/spec/ruby/library/date/yday_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#yday" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/year_spec.rb b/spec/ruby/library/date/year_spec.rb
new file mode 100644
index 0000000000..cca95dbe2a
--- /dev/null
+++ b/spec/ruby/library/date/year_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#year" do
+  it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/date/zone_to_diff_spec.rb b/spec/ruby/library/date/zone_to_diff_spec.rb
new file mode 100644
index 0000000000..a39de0b58e
--- /dev/null
+++ b/spec/ruby/library/date/zone_to_diff_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date.zone_to_diff" do
+  it "needs to be reviewed for spec completeness"
+end