* string.c (chopped_length): get rid of unexpected exception.

see [ruby-core:26336].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Oct 27 16:36:52 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* string.c (chopped_length): get rid of unexpected exception.
+	  see [ruby-core:26336].
+
 Tue Oct 27 15:53:10 2009  Tanaka Akira  <akr@fsij.org>
 
 	* gc.h (SET_MACHINE_STACK_END): use __i386.

string.c

@@ -5925,9 +5925,9 @@ chopped_length(VALUE str)
     if (beg > end) return 0;
     p = rb_enc_prev_char(beg, end, end, enc);
     if (!p) return 0;
-    if (p > beg && rb_enc_codepoint(p, end, enc) == '\n') {
+    if (p > beg && rb_enc_ascget(p, end, 0, enc) == '\n') {
 	p2 = rb_enc_prev_char(beg, p, end, enc);
-	if (p2 && rb_enc_codepoint(p2, end, enc) == '\r') p = p2;
+	if (p2 && rb_enc_ascget(p2, end, 0, enc) == '\r') p = p2;
     }
     return p - beg;
 }

test/ruby/test_m17n_comb.rb

@@ -727,15 +727,6 @@ class TestM17NComb < Test::Unit::TestCase
     STRINGS.each {|s|
       s = s.dup
       desc = "#{encdump s}.chop"
-      if !s.valid_encoding?
-        #assert_raise(ArgumentError, desc) { s.chop }
-        begin
-          s.chop
-        rescue ArgumentError
-          e = $!
-        end
-        next if e
-      end
       t = nil
       assert_nothing_raised(desc) { t = s.chop }
       assert(t.valid_encoding?) if s.valid_encoding?