diff options
Diffstat (limited to 'spec/ruby/language/predefined/data_spec.rb')
-rw-r--r-- | spec/ruby/language/predefined/data_spec.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/language/predefined/data_spec.rb b/spec/ruby/language/predefined/data_spec.rb new file mode 100644 index 0000000000..f616879527 --- /dev/null +++ b/spec/ruby/language/predefined/data_spec.rb @@ -0,0 +1,29 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "The DATA constant" do + it "exists when the main script contains __END__" do + ruby_exe(fixture(__FILE__, "data1.rb")).chomp.should == "true" + end + + it "does not exist when the main script contains no __END__" do + ruby_exe("puts Object.const_defined?(:DATA)").chomp.should == 'false' + end + + it "does not exist when an included file has a __END__" do + ruby_exe(fixture(__FILE__, "data2.rb")).chomp.should == "false" + end + + it "does not change when an included files also has a __END__" do + ruby_exe(fixture(__FILE__, "data3.rb")).chomp.should == "data 3" + end + + it "is included in an otherwise empty file" do + ap = fixture(__FILE__, "print_data.rb") + str = ruby_exe(fixture(__FILE__, "data_only.rb"), options: "-r#{ap}") + str.chomp.should == "data only" + end + + it "rewinds to the head of the main script" do + ruby_exe(fixture(__FILE__, "data5.rb")).chomp.should == "DATA.rewind" + end +end |