diff options
Diffstat (limited to 'spec/ruby/command_line/dash_upper_u_spec.rb')
-rw-r--r-- | spec/ruby/command_line/dash_upper_u_spec.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/spec/ruby/command_line/dash_upper_u_spec.rb b/spec/ruby/command_line/dash_upper_u_spec.rb new file mode 100644 index 0000000000..6cd52a3647 --- /dev/null +++ b/spec/ruby/command_line/dash_upper_u_spec.rb @@ -0,0 +1,41 @@ +describe "ruby -U" do + it "sets Encoding.default_internal to UTF-8" do + ruby_exe('print Encoding.default_internal.name', + options: '-U').should == 'UTF-8' + end + + it "does nothing different if specified multiple times" do + ruby_exe('print Encoding.default_internal.name', + options: '-U -U').should == 'UTF-8' + end + + it "is overruled by Encoding.default_internal=" do + ruby_exe('Encoding.default_internal="ascii"; print Encoding.default_internal.name', + options: '-U').should == 'US-ASCII' + end + + it "does not affect the default external encoding" do + ruby_exe('Encoding.default_external="ascii"; print Encoding.default_external.name', + options: '-U').should == 'US-ASCII' + end + + it "does not affect the source encoding" do + ruby_exe("print __ENCODING__.name", + options: '-U -KE').should == 'EUC-JP' + ruby_exe("print __ENCODING__.name", + options: '-KE -U').should == 'EUC-JP' + end + + # I assume IO redirection will break on Windows... + it "raises a RuntimeError if used with -Eext:int" do + ruby_exe("p 1", + options: '-U -Eascii:ascii', + args: '2>&1').should =~ /RuntimeError/ + end + + it "raises a RuntimeError if used with -E:int" do + ruby_exe("p 1", + options: '-U -E:ascii', + args: '2>&1').should =~ /RuntimeError/ + end +end |