diff options
Diffstat (limited to 'spec/rubyspec/core/io/external_encoding_spec.rb')
-rw-r--r-- | spec/rubyspec/core/io/external_encoding_spec.rb | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/spec/rubyspec/core/io/external_encoding_spec.rb b/spec/rubyspec/core/io/external_encoding_spec.rb new file mode 100644 index 0000000000..ec85eba2ee --- /dev/null +++ b/spec/rubyspec/core/io/external_encoding_spec.rb @@ -0,0 +1,218 @@ +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 |