Interation methods #each, #map_each and more are

implemented and working. Also restructured files
again.

spec/time_calculations_spec.rb

@@ -1,6 +1,6 @@
 require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 
-describe "TimeExt" do
+describe "Time Calculations" do
   
   before(:each) do
     @time = Time.local(2010, 8, 28, 15, 57, 17, 78430)

spec/time_iterations_spec.rb

@@ -0,0 +1,63 @@
+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+
+describe "Time Iterations" do
+  
+  before(:each) do
+    @now = Time.now
+  end
+  
+  it "should iterate over time objects with #each" do
+    times = []
+    result = @now.each(:hour) { |time| times << time }
+    times.should have(24).items
+    times.should == (1..24).map { |i| @now + i.hours }
+    result.should == @now
+  end
+  
+  it "should iterate over time objects with #beginning_of_each" do
+    times = []
+    result = @now.beginning_of_each_hour { |time| times << time }
+    times.should have(24).items
+    times.should == (1..24).map { |i| @now.beginning_of_hour + i.hours }
+    result.should == @now
+  end
+  
+  it "should iterate over time objects with #map_each" do
+    result = @now.map_each_hour { |time| time }
+    result.should have(24).items
+    result.should == (1..24).map { |i| @now + i.hours }
+  end
+  
+  it "should iterate over time objects with #map_beginning_of_each" do
+    result = @now.map_beginning_of_each(:hour) { |time| time }
+    result.should have(24).items
+    result.should == (1..24).map { |i| @now.beginning_of_hour + i.hours }
+  end
+  
+  it "should iterate over time objects with #each and #until via method chaining" do
+    match = (1..6).map { |i| @now + i.hours }
+    
+    times = []
+    result = @now.each(:hour).until(@now + 6.hours) { |time| times << time }
+    times.should == match
+    result.should == @now
+    
+    times = []
+    result = @now.until(@now + 6.hours).each_hour { |time| times << time }
+    times.should == match
+    result.should == @now
+  end
+  
+  it "should iterate over time objects with #map_each and #until via method chaining" do
+    match = (1..6).map { |i| @now + i.hours }
+    @now.map_each_hour.until(@now + 6.hours) { |time| time }.should == match
+    @now.until(@now + 6.hours).map_each(:hour) { |time| time }.should == match
+  end
+  
+  it "should iterate over time objects backwards with #until set in the past" do
+    match = (1..6).map { |i| @now - i.hours }
+    @now.map_each_hour.until(@now - 6.hours) { |time| time }.should == match
+    @now.until(@now - 6.hours).map_each(:hour) { |time| time }.should == match
+  end
+  
+end