15 files changed, 116 insertions, 11 deletions
diff --git a/spec/ruby/library/date/friday_spec.rb b/spec/ruby/library/date/friday_spec.rb
new file mode 100644
index 0000000000..369b943419
--- /dev/null
+++ b/spec/ruby/library/date/friday_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#friday?" do
+  it "should be friday" do
+    Date.new(2000, 1, 7).friday?.should be_true
+  end
+
+  it "should not be friday" do
+    Date.new(2000, 1, 8).friday?.should be_false
+  end
+end
diff --git a/spec/ruby/library/date/minus_month_spec.rb b/spec/ruby/library/date/minus_month_spec.rb
index b6b20c5578..fbe5cb8593 100644
--- a/spec/ruby/library/date/minus_month_spec.rb
+++ b/spec/ruby/library/date/minus_month_spec.rb
@@ -3,7 +3,7 @@ require File.expand_path('../../../spec_helper', __FILE__)
 
 describe "Date#<<" do
 
-  it "substracts a number of months from a date" do
+  it "subtracts a number of months from a date" do
     d = Date.civil(2007,2,27) << 10
     d.should == Date.civil(2006, 4, 27)
   end
diff --git a/spec/ruby/library/date/minus_spec.rb b/spec/ruby/library/date/minus_spec.rb
index 09da595872..fd7f3fd14c 100644
--- a/spec/ruby/library/date/minus_spec.rb
+++ b/spec/ruby/library/date/minus_spec.rb
@@ -3,12 +3,12 @@ require File.expand_path('../../../spec_helper', __FILE__)
 
 describe "Date#-" do
 
-  it "substracts a number of days from a Date" do
+  it "subtracts 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
+  it "subtracts a negative number of days from a Date" do
     d = Date.civil(2007, 4, 19).-(-13)
     d.should == Date.civil(2007, 5 ,2)
   end
diff --git a/spec/ruby/library/date/monday_spec.rb b/spec/ruby/library/date/monday_spec.rb
new file mode 100644
index 0000000000..f7d968b6d6
--- /dev/null
+++ b/spec/ruby/library/date/monday_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#monday?" do
+  it "should be monday" do
+    Date.new(2000, 1, 3).monday?.should be_true
+  end
+end
diff --git a/spec/ruby/library/date/next_day_spec.rb b/spec/ruby/library/date/next_day_spec.rb
index 1ccb4df257..795bfecf0a 100644
--- a/spec/ruby/library/date/next_day_spec.rb
+++ b/spec/ruby/library/date/next_day_spec.rb
@@ -3,8 +3,12 @@ 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
+    d = Date.new(2000, 1, 4).next_day
+    d.should == Date.new(2000, 1, 5)
+  end
+
+  it "returns three days later across months" do
+    d = Date.new(2000, 1, 30).next_day(3)
+    d.should == Date.new(2000, 2, 2)
   end
 end
diff --git a/spec/ruby/library/date/next_month_spec.rb b/spec/ruby/library/date/next_month_spec.rb
index 22699a39a5..9becd7e37f 100644
--- a/spec/ruby/library/date/next_month_spec.rb
+++ b/spec/ruby/library/date/next_month_spec.rb
@@ -11,4 +11,19 @@ describe "Date#next_month" do
     d = Date.new(2000, 7, 1).next_month(3)
     d.should == Date.new(2000, 10, 1)
   end
+
+  it "returns three months later across years" do
+    d = Date.new(2000, 12, 1).next_month(3)
+    d.should == Date.new(2001, 3, 1)
+  end
+
+  it "returns last day of month two months later" do
+    d = Date.new(2000, 1, 31).next_month(2)
+    d.should == Date.new(2000, 3, 31)
+  end
+
+  it "returns last day of next month when same day does not exist" do
+    d = Date.new(2001, 1, 30).next_month
+    d.should == Date.new(2001, 2, 28)
+  end
 end
diff --git a/spec/ruby/library/date/prev_day_spec.rb b/spec/ruby/library/date/prev_day_spec.rb
index 8a42824154..149bfe9fa9 100644
--- a/spec/ruby/library/date/prev_day_spec.rb
+++ b/spec/ruby/library/date/prev_day_spec.rb
@@ -7,8 +7,8 @@ describe "Date#prev_day" do
     d.should == Date.new(2000, 7, 1)
   end
 
-  it "returns three days ago" do
-    d = Date.new(2000, 7, 4).prev_day(3)
-    d.should == Date.new(2000, 7, 1)
+  it "returns three days ago across months" do
+    d = Date.new(2000, 7, 2).prev_day(3)
+    d.should == Date.new(2000, 6, 29)
   end
 end
diff --git a/spec/ruby/library/date/prev_month_spec.rb b/spec/ruby/library/date/prev_month_spec.rb
index eaf7f67ee0..440c17ffc9 100644
--- a/spec/ruby/library/date/prev_month_spec.rb
+++ b/spec/ruby/library/date/prev_month_spec.rb
@@ -11,4 +11,19 @@ describe "Date#prev_month" do
     d = Date.new(2000, 10, 1).prev_month(3)
     d.should == Date.new(2000, 7, 1)
   end
+
+  it "returns three months ago across years" do
+    d = Date.new(2000, 1, 1).prev_month(3)
+    d.should == Date.new(1999, 10, 1)
+  end
+
+  it "returns last day of month two months ago" do
+    d = Date.new(2000, 3, 31).prev_month(2)
+    d.should == Date.new(2000, 1, 31)
+  end
+
+  it "returns last day of previous month when same day does not exist" do
+    d = Date.new(2001, 3, 30).prev_month
+    d.should == Date.new(2001, 2, 28)
+  end
 end
diff --git a/spec/ruby/library/date/saturday_spec.rb b/spec/ruby/library/date/saturday_spec.rb
new file mode 100644
index 0000000000..1360050a69
--- /dev/null
+++ b/spec/ruby/library/date/saturday_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#saturday?" do
+  it "should be saturday" do
+    Date.new(2000, 1, 1).saturday?.should be_true
+  end
+end
diff --git a/spec/ruby/library/date/sunday_spec.rb b/spec/ruby/library/date/sunday_spec.rb
new file mode 100644
index 0000000000..d805006264
--- /dev/null
+++ b/spec/ruby/library/date/sunday_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#sunday?" do
+  it "should be sunday" do
+    Date.new(2000, 1, 2).sunday?.should be_true
+  end
+end
diff --git a/spec/ruby/library/date/thursday_spec.rb b/spec/ruby/library/date/thursday_spec.rb
new file mode 100644
index 0000000000..a59ca3f6cf
--- /dev/null
+++ b/spec/ruby/library/date/thursday_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#thursday?" do
+  it "should be thursday" do
+    Date.new(2000, 1, 6).thursday?.should be_true
+  end
+end
diff --git a/spec/ruby/library/date/today_spec.rb b/spec/ruby/library/date/today_spec.rb
index 09e8ed6006..d487be089f 100644
--- a/spec/ruby/library/date/today_spec.rb
+++ b/spec/ruby/library/date/today_spec.rb
@@ -2,5 +2,13 @@ require File.expand_path('../../../spec_helper', __FILE__)
 require 'date'
 
 describe "Date.today" do
-  it "needs to be reviewed for spec completeness"
+  it "returns a Date object" do
+    Date.today.should be_kind_of Date
+  end
+
+  it "sets Date object to the current date" do
+    today = Date.today
+    now = Time.now
+    (now - today.to_time).should be_close(0.0, 24 * 60 * 60)
+  end
 end
diff --git a/spec/ruby/library/date/tuesday_spec.rb b/spec/ruby/library/date/tuesday_spec.rb
new file mode 100644
index 0000000000..10ed6755d1
--- /dev/null
+++ b/spec/ruby/library/date/tuesday_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#tuesday?" do
+  it "should be tuesday" do
+    Date.new(2000, 1, 4).tuesday?.should be_true
+  end
+end
diff --git a/spec/ruby/library/date/wday_spec.rb b/spec/ruby/library/date/wday_spec.rb
index 1d40b0c96c..7303423123 100644
--- a/spec/ruby/library/date/wday_spec.rb
+++ b/spec/ruby/library/date/wday_spec.rb
@@ -2,5 +2,8 @@ require File.expand_path('../../../spec_helper', __FILE__)
 require 'date'
 
 describe "Date#wday" do
-  it "needs to be reviewed for spec completeness"
+  it "returns the week day as a number starting with Sunday as 0" do
+    w = Date.new(2000, 1, 1).wday
+    w.should == 6
+  end
 end
diff --git a/spec/ruby/library/date/wednesday_spec.rb b/spec/ruby/library/date/wednesday_spec.rb
new file mode 100644
index 0000000000..99478f21c2
--- /dev/null
+++ b/spec/ruby/library/date/wednesday_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#wednesday?" do
+  it "should be wednesday" do
+    Date.new(2000, 1, 5).wednesday?.should be_true
+  end
+end