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Diffstat (limited to 'spec/ruby/core/encoding/find_spec.rb')
-rw-r--r-- | spec/ruby/core/encoding/find_spec.rb | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/spec/ruby/core/encoding/find_spec.rb b/spec/ruby/core/encoding/find_spec.rb new file mode 100644 index 0000000000..bd195f6a1a --- /dev/null +++ b/spec/ruby/core/encoding/find_spec.rb @@ -0,0 +1,84 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +with_feature :encoding do + describe "Encoding.find" do + before :all do + @encodings = Encoding.aliases.to_a.flatten.uniq + end + + it "returns the corresponding Encoding object if given a valid encoding name" do + @encodings.each do |enc| + Encoding.find(enc).should be_an_instance_of(Encoding) + end + end + + it "returns the corresponding Encoding object if given a valid alias name" do + Encoding.aliases.keys.each do |enc_alias| + Encoding.find(enc_alias).should be_an_instance_of(Encoding) + end + end + + it "raises a TypeError if passed a Symbol" do + lambda { Encoding.find(:"utf-8") }.should raise_error(TypeError) + end + + it "returns the passed Encoding object" do + Encoding.find(Encoding::UTF_8).should == Encoding::UTF_8 + end + + it "accepts encoding names as Strings" do + Encoding.list.each do |enc| + Encoding.find(enc.name).should == enc + end + end + + it "accepts any object as encoding name, if it responds to #to_str" do + obj = Class.new do + attr_writer :encoding_name + def to_str; @encoding_name; end + end.new + + Encoding.list.each do |enc| + obj.encoding_name = enc.name + Encoding.find(obj).should == enc + end + end + + it "is case insensitive" do + @encodings.each do |enc| + Encoding.find(enc.upcase).should == Encoding.find(enc) + end + end + + it "raises an ArgumentError if the given encoding does not exist" do + lambda { Encoding.find('dh2dh278d') }.should raise_error(ArgumentError) + end + + # Not sure how to do a better test, since locale depends on weird platform-specific stuff + it "supports the 'locale' encoding alias" do + enc = Encoding.find('locale') + enc.should_not == nil + end + + it "returns default external encoding for the 'external' encoding alias" do + enc = Encoding.find('external') + enc.should == Encoding.default_external + end + + it "returns default internal encoding for the 'internal' encoding alias" do + enc = Encoding.find('internal') + enc.should == Encoding.default_internal + end + + platform_is_not :windows do + it "uses default external encoding for the 'filesystem' encoding alias" do + enc = Encoding.find('filesystem') + enc.should == Encoding.default_external + end + end + + platform_is :windows do + it "needs to be reviewed for spec completeness" + end + end +end |