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Diffstat (limited to 'spec/ruby/library/date/minus_month_spec.rb')
-rw-r--r-- | spec/ruby/library/date/minus_month_spec.rb | 34 |
1 files changed, 34 insertions, 0 deletions
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 |