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