diff options
Diffstat (limited to 'spec/ruby/library/date/prev_month_spec.rb')
-rw-r--r-- | spec/ruby/library/date/prev_month_spec.rb | 15 |
1 files changed, 15 insertions, 0 deletions
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 |