1 files changed, 36 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..e13b7415f8
--- /dev/null
+++ b/spec/ruby/core/encoding/converter/finish_spec.rb
@@ -0,0 +1,36 @@
+require_relative '../../../spec_helper'
+
+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.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".dup.force_encoding('iso-2022-jp')
+    @ec.finish.should == "\e(B".dup.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