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require File.expand_path('../../../spec_helper', __FILE__)
with_feature :encoding do
describe :io_external_encoding_write, shared: true do
describe "when Encoding.default_internal is nil" do
before :each do
Encoding.default_internal = nil
end
it "returns nil" do
@io = new_io @name, @object
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should be_nil
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "#{@object}:ibm866"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "#{@object}:ibm866"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external != Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM437
Encoding.default_internal = Encoding::IBM866
end
it "returns the value of Encoding.default_external when the instance was created" do
@io = new_io @name, @object
Encoding.default_external = Encoding::UTF_8
@io.external_encoding.should equal(Encoding::IBM437)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "#{@object}:ibm866"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "#{@object}:ibm866"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external == Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM866
Encoding.default_internal = Encoding::IBM866
end
it "returns the value of Encoding.default_external when the instance was created" do
@io = new_io @name, @object
Encoding.default_external = Encoding::UTF_8
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "#{@object}:ibm866"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "#{@object}:ibm866"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
end
describe "IO#external_encoding" do
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
@name = tmp("io_external_encoding")
touch(@name)
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
@io.close if @io
rm_r @name
end
describe "with 'r' mode" do
describe "when Encoding.default_internal is nil" do
before :each do
Encoding.default_internal = nil
Encoding.default_external = Encoding::IBM866
end
it "returns Encoding.default_external if the external encoding is not set" do
@io = new_io @name, "r"
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns Encoding.default_external when that encoding is changed after the instance is created" do
@io = new_io @name, "r"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM437)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "r:utf-8"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::UTF_8)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "r:utf-8"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external == Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM866
Encoding.default_internal = Encoding::IBM866
end
it "returns the value of Encoding.default_external when the instance was created" do
@io = new_io @name, "r"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "r:utf-8"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::UTF_8)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "r:utf-8"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external != Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM437
Encoding.default_internal = Encoding::IBM866
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "r:utf-8"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::UTF_8)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "r:utf-8"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
end
describe "with 'rb' mode" do
it "returns Encoding::ASCII_8BIT" do
@io = new_io @name, "rb"
@io.external_encoding.should equal(Encoding::ASCII_8BIT)
end
it "returns the external encoding specified by the mode argument" do
@io = new_io @name, "rb:ibm437"
@io.external_encoding.should equal(Encoding::IBM437)
end
end
describe "with 'r+' mode" do
it_behaves_like :io_external_encoding_write, nil, "r+"
end
describe "with 'w' mode" do
it_behaves_like :io_external_encoding_write, nil, "w"
end
describe "with 'wb' mode" do
it "returns Encoding::ASCII_8BIT" do
@io = new_io @name, "wb"
@io.external_encoding.should equal(Encoding::ASCII_8BIT)
end
it "returns the external encoding specified by the mode argument" do
@io = new_io @name, "wb:ibm437"
@io.external_encoding.should equal(Encoding::IBM437)
end
end
describe "with 'w+' mode" do
it_behaves_like :io_external_encoding_write, nil, "w+"
end
describe "with 'a' mode" do
it_behaves_like :io_external_encoding_write, nil, "a"
end
describe "with 'a+' mode" do
it_behaves_like :io_external_encoding_write, nil, "a+"
end
end
end
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