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require File.expand_path('../../../spec_helper', __FILE__)
with_feature :encoding do
describe "Encoding.default_external" do
before :each do
@original_encoding = Encoding.default_external
end
after :each do
Encoding.default_external = @original_encoding
end
it "returns an Encoding object" do
Encoding.default_external.should be_an_instance_of(Encoding)
end
it "returns the default external encoding" do
Encoding.default_external = Encoding::UTF_8
Encoding.default_external.should == Encoding::UTF_8
end
describe "with command line options" do
it "is not changed by the -U option" do
result = ruby_exe("print Encoding.default_external", options: '-U')
result.should == Encoding.default_external.name
end
it "returns the encoding specified by '-E external'" do
result = ruby_exe("print Encoding.default_external", options: '-E euc-jp')
result.should == "EUC-JP"
end
it "returns the encoding specified by '-E external:'" do
result = ruby_exe("print Encoding.default_external", options: '-E Shift_JIS:')
result.should == "Shift_JIS"
end
end
end
describe "Encoding.default_external=" do
before :each do
@original_encoding = Encoding.default_external
end
after :each do
Encoding.default_external = @original_encoding
end
it "sets the default external encoding" do
Encoding.default_external = Encoding::UTF_8
Encoding.default_external.should == Encoding::UTF_8
end
it "can accept a name of an encoding as a String" do
Encoding.default_external = 'Shift_JIS'
Encoding.default_external.should == Encoding::SHIFT_JIS
end
it "calls #to_s on arguments that are neither Strings nor Encodings" do
string = mock('string')
string.should_receive(:to_str).at_least(1).and_return('US-ASCII')
Encoding.default_external = string
Encoding.default_external.should == Encoding::ASCII
end
it "raises a TypeError unless the argument is an Encoding or convertible to a String" do
lambda { Encoding.default_external = [] }.should raise_error(TypeError)
end
it "raises an ArgumentError if the argument is nil" do
lambda { Encoding.default_external = nil }.should raise_error(ArgumentError)
end
end
end
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