* enc/trans/single_byte.trans (us_ascii_map): don't define 8bit bytes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18982 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Aug 31 16:34:41 2008  Tanaka Akira  <akr@fsij.org>
+
+	* enc/trans/single_byte.trans (us_ascii_map): don't define 8bit bytes.
+
 Sun Aug 31 14:27:27 2008  Tanaka Akira  <akr@fsij.org>
 
 	* transcode.c (econv_last_error): new method.

enc/trans/single_byte.trans

@@ -1,7 +1,7 @@
 #include "transcode_data.h"
 
 <%
-  us_ascii_map = [["{00-7f}", :nomap], ["{80-ff}", :undef]]
+  us_ascii_map = [["{00-7f}", :nomap]]
 
   ISO_8859_1_TO_UCS_TBL = (0x80..0xff).map {|c| ["%02X" % c, c] }
   CONTROL1_TO_UCS_TBL = (0x80..0x9f).map {|c| ["%02X" % c, c] }

test/ruby/test_econv.rb

@@ -613,4 +613,19 @@ class TestEncodingConverter < Test::Unit::TestCase
     assert_kind_of(Encoding::InvalidByteSequence, ec.last_error)
   end
 
+  def test_us_ascii
+    ec = Encoding::Converter.new("UTF-8", "US-ASCII")
+    ec.primitive_convert(src="\u{3042}", dst="")
+    err = ec.last_error
+    assert_kind_of(Encoding::ConversionUndefined, err)
+    assert_equal("\u{3042}", err.error_char)
+  end
+
+  def test_88591
+    ec = Encoding::Converter.new("UTF-8", "ISO-8859-1")
+    ec.primitive_convert(src="\u{3042}", dst="")
+    err = ec.last_error
+    assert_kind_of(Encoding::ConversionUndefined, err)
+    assert_equal("\u{3042}", err.error_char)
+  end
 end