1 files changed, 38 insertions, 0 deletions
diff --git a/spec/ruby/core/encoding/converter/finish_spec.rb b/spec/ruby/core/encoding/converter/finish_spec.rb
new file mode 100644
index 0000000000..86097357f4
--- /dev/null
+++ b/spec/ruby/core/encoding/converter/finish_spec.rb
@@ -0,0 +1,38 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+
+with_feature :encoding do
+  describe "Encoding::Converter#finish" do
+    before :each do
+      @ec = Encoding::Converter.new("utf-8", "iso-2022-jp")
+    end
+
+    it "returns a String" do
+      @ec.convert('foo')
+      @ec.finish.should be_an_instance_of(String)
+    end
+
+    it "returns an empty String if there is nothing more to convert" do
+      @ec.convert("glark")
+      @ec.finish.should == ""
+    end
+
+    it "returns the last part of the converted String if it hasn't already" do
+       @ec.convert("\u{9999}").should == "\e$B9a".force_encoding('iso-2022-jp')
+       @ec.finish.should == "\e(B".force_encoding('iso-2022-jp')
+    end
+
+    it "returns a String in the destination encoding" do
+      @ec.convert("glark")
+      @ec.finish.encoding.should == Encoding::ISO2022_JP
+    end
+
+    it "returns an empty String if self was not given anything to convert" do
+      @ec.finish.should == ""
+    end
+
+    it "returns an empty String on subsequent invocations" do
+      @ec.finish.should == ""
+      @ec.finish.should == ""
+    end
+  end
+end