require_relative '../spec_helper' 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