* regparse.c (add_code_range_to_buf0): wrong condition of duplicated

warnings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34821 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun Feb 26 23:29:49 2012  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* regparse.c (add_code_range_to_buf0): wrong condition of duplicated
+	  warnings.
+
 Sun Feb 26 11:26:44 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* compile.c (iseq_compile_each): call on special object instead of

regparse.c

@@ -1776,13 +1776,18 @@ add_code_range_to_buf0(BBuf** pbuf, ScanEnv* env, OnigCodePoint from, OnigCodePo
     else
       bound = x;
   }
+  /* data[(low-1)*2+1] << from <= data[low*2]
+   * data[(high-1)*2+1] <= to << data[high*2]
+   */
 
   inc_n = low + 1 - high;
   if (n + inc_n > ONIG_MAX_MULTI_BYTE_RANGES_NUM)
     return ONIGERR_TOO_MANY_MULTI_BYTE_RANGES;
 
   if (inc_n != 1) {
-    if (checkdup && to >= data[low*2]) CC_DUP_WARN(env);
+    if (checkdup && from <= data[low*2+1]
+	&& (data[low*2] <= from  || data[low*2+1] <= to))
+	CC_DUP_WARN(env);
     if (from > data[low*2])
       from = data[low*2];
     if (to < data[(high - 1)*2 + 1])

test/ruby/test_regexp.rb

@@ -848,11 +848,18 @@ class TestRegexp < Test::Unit::TestCase
   end
 
   def test_dup_warn
-    assert_in_out_err(%w/-w -U/, "#coding:utf-8\nx=/[\u3042\u3041]/\n!x", [], [])
-    assert_in_out_err(%w/-w -U/, "#coding:utf-8\nx=/[\u3042\u3042]/\n!x", [], /duplicated/u, nil,
-                      encoding: Encoding::UTF_8)
-    assert_in_out_err(%w/-w -U/, "#coding:utf-8\nx=/[\u3042\u3041-\u3043]/\n!x", [], /duplicated/u, nil,
-                      encoding: Encoding::UTF_8)
+    assert_warn(/duplicated/) { Regexp.new('[\u3042\u3043\u3042]') }
+    assert_warn(/duplicated/) { Regexp.new('[\u3042\u3043\u3043]') }
+    assert_warn(/\A\z/) { Regexp.new('[\u3042\u3044\u3043]') }
+    assert_warn(/\A\z/) { Regexp.new('[\u3042\u3045\u3043]') }
+    assert_warn(/\A\z/) { Regexp.new('[\u3042\u3045\u3044]') }
+    assert_warn(/\A\z/) { Regexp.new('[\u3042\u3045\u3043-\u3044]') }
+    assert_warn(/duplicated/) { Regexp.new('[\u3042\u3045\u3042-\u3043]') }
+    assert_warn(/duplicated/) { Regexp.new('[\u3042\u3045\u3044-\u3045]') }
+    assert_warn(/\A\z/) { Regexp.new('[\u3042\u3046\u3044]') }
+    assert_warn(/duplicated/) { Regexp.new('[\u1000-\u2000\u3042-\u3046\u3044]') }
+    assert_warn(/duplicated/) { Regexp.new('[\u3044\u3041-\u3047]') }
+    assert_warn(/duplicated/) { Regexp.new('[\u3042\u3044\u3046\u3041-\u3047]') }
   end
 
   def test_property_warn