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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
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