1 files changed, 56 insertions, 0 deletions
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