1 files changed, 72 insertions, 0 deletions
diff --git a/spec/ruby/core/encoding/converter/primitive_errinfo_spec.rb b/spec/ruby/core/encoding/converter/primitive_errinfo_spec.rb
new file mode 100644
index 0000000000..f92c95c6d5
--- /dev/null
+++ b/spec/ruby/core/encoding/converter/primitive_errinfo_spec.rb
@@ -0,0 +1,72 @@
+# -*- encoding: binary -*-
+require File.expand_path('../../../../spec_helper', __FILE__)
+
+with_feature :encoding do
+  describe "Encoding::Converter#primitive_errinfo" do
+    it "returns [:source_buffer_empty,nil,nil,nil,nil] when no conversion has been attempted" do
+      ec = Encoding::Converter.new('ascii','utf-8')
+      ec.primitive_errinfo.should == [:source_buffer_empty, nil, nil, nil, nil]
+    end
+
+    it "returns [:finished,nil,nil,nil,nil] when #primitive_convert last returned :finished" do
+      ec = Encoding::Converter.new('ascii','utf-8')
+      ec.primitive_convert("a","").should == :finished
+      ec.primitive_errinfo.should == [:finished, nil, nil, nil, nil]
+    end
+
+    it "returns [:source_buffer_empty,nil,nil,nil, nil] when #convert last succeeded" do
+      ec = Encoding::Converter.new('ascii','utf-8')
+      ec.convert("a".force_encoding('ascii')).should == "a".\
+        force_encoding('utf-8')
+      ec.primitive_errinfo.should == [:source_buffer_empty, nil, nil, nil, nil]
+    end
+
+    it "returns [:destination_buffer_full,nil,nil,nil,nil] when #primitive_convert last returned :destination_buffer_full" do
+      ec = Encoding::Converter.new("utf-8", "iso-2022-jp")
+      ec.primitive_convert("\u{9999}", "", 0, 0, partial_input: false) \
+        .should == :destination_buffer_full
+      ec.primitive_errinfo.should == [:destination_buffer_full, nil, nil, nil, nil]
+    end
+
+    it "returns the status of the last primitive conversion, even if it was successful and the previous one wasn't" do
+      ec = Encoding::Converter.new("utf-8", "iso-8859-1")
+      ec.primitive_convert("\xf1abcd","").should == :invalid_byte_sequence
+      ec.primitive_convert("glark".force_encoding('utf-8'),"").should == :finished
+      ec.primitive_errinfo.should == [:finished, nil, nil, nil, nil]
+    end
+
+    it "returns the state, source encoding, target encoding, and the erroneous bytes when #primitive_convert last returned :undefined_conversion" do
+      ec = Encoding::Converter.new("utf-8", "iso-8859-1")
+      ec.primitive_convert("\u{9876}","").should == :undefined_conversion
+      ec.primitive_errinfo.should ==
+        [:undefined_conversion, "UTF-8", "ISO-8859-1", "\xE9\xA1\xB6", ""]
+    end
+
+    it "returns the state, source encoding, target encoding, and erroneous bytes when #primitive_convert last returned :incomplete_input" do
+      ec = Encoding::Converter.new("EUC-JP", "ISO-8859-1")
+      ec.primitive_convert("\xa4", "", nil, 10).should == :incomplete_input
+      ec.primitive_errinfo.should == [:incomplete_input, "EUC-JP", "UTF-8", "\xA4", ""]
+    end
+
+    it "returns the state, source encoding, target encoding, erroneous bytes, and the read-again bytes when #primitive_convert last returned :invalid_byte_sequence" do
+      ec = Encoding::Converter.new("utf-8", "iso-8859-1")
+      ec.primitive_convert("\xf1abcd","").should == :invalid_byte_sequence
+      ec.primitive_errinfo.should ==
+        [:invalid_byte_sequence, "UTF-8", "ISO-8859-1", "\xF1", "a"]
+    end
+
+    it "returns the state, source encoding, target encoding, erroneous bytes, and the read-again bytes when #convert last raised InvalidByteSequenceError" do
+      ec = Encoding::Converter.new("utf-8", "iso-8859-1")
+      lambda { ec.convert("\xf1abcd") }.should raise_error(Encoding::InvalidByteSequenceError)
+      ec.primitive_errinfo.should ==
+        [:invalid_byte_sequence, "UTF-8", "ISO-8859-1", "\xF1", "a"]
+    end
+
+    it "returns the state, source encoding, target encoding, erroneous bytes, and the read-again bytes when #finish last raised InvalidByteSequenceError" do
+      ec = Encoding::Converter.new("EUC-JP", "ISO-8859-1")
+      ec.convert("\xa4")
+      lambda { ec.finish }.should raise_error(Encoding::InvalidByteSequenceError)
+      ec.primitive_errinfo.should == [:incomplete_input, "EUC-JP", "UTF-8", "\xA4", ""]
+    end
+  end
+end