akr	2008-02-14 14:03:07 +0900 (Thu, 14 Feb 2008)

  New Revision: 15466

  Modified files:
    trunk/test/ruby/test_m17n.rb

  Log:
    more tests for embedding regexps.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/test/ruby/test_m17n.rb?r1=15466&r2=15465&diff_format=u

Index: test/ruby/test_m17n.rb
===================================================================
--- test/ruby/test_m17n.rb	(revision 15465)
+++ test/ruby/test_m17n.rb	(revision 15466)
@@ -450,6 +450,42 @@
 
     r = /\xc2\xa1/e
     assert_raise(ArgumentError) { /\xc2\xa1#{r}/s }
+
+    r1 = Regexp.new('foo'.force_encoding("ascii-8bit"))
+    r2 = eval('/bar#{r1}/'.force_encoding('ascii-8bit'))
+    assert_equal(Encoding::US_ASCII, r2.encoding)
+
+    r1 = Regexp.new('foo'.force_encoding("us-ascii"))
+    r2 = eval('/bar#{r1}/'.force_encoding('ascii-8bit'))
+    assert_equal(Encoding::US_ASCII, r2.encoding)
+
+    r1 = Regexp.new('foo'.force_encoding("ascii-8bit"))
+    r2 = eval('/bar#{r1}/'.force_encoding('us-ascii'))
+    assert_equal(Encoding::US_ASCII, r2.encoding)
+
+    r1 = Regexp.new('foo'.force_encoding("us-ascii"))
+    r2 = eval('/bar#{r1}/'.force_encoding('us-ascii'))
+    assert_equal(Encoding::US_ASCII, r2.encoding)
+
+    r1 = Regexp.new('\xa1'.force_encoding("ascii-8bit"))
+    r2 = eval('/bar#{r1}/'.force_encoding('ascii-8bit'))
+    assert_equal(Encoding::ASCII_8BIT, r2.encoding)
+
+    r1 = Regexp.new('\xa1'.force_encoding("ascii-8bit"))
+    r2 = eval('/bar#{r1}/'.force_encoding('us-ascii'))
+    assert_equal(Encoding::ASCII_8BIT, r2.encoding)
+
+    r1 = Regexp.new('foo'.force_encoding("ascii-8bit"))
+    r2 = eval('/\xa1#{r1}/'.force_encoding('ascii-8bit'))
+    assert_equal(Encoding::ASCII_8BIT, r2.encoding)
+
+    r1 = Regexp.new('foo'.force_encoding("us-ascii"))
+    r2 = eval('/\xa1#{r1}/'.force_encoding('ascii-8bit'))
+    assert_equal(Encoding::ASCII_8BIT, r2.encoding)
+
+    r1 = Regexp.new('\xa1'.force_encoding("ascii-8bit"))
+    r2 = eval('/\xa1#{r1}/'.force_encoding('ascii-8bit'))
+    assert_equal(Encoding::ASCII_8BIT, r2.encoding)
   end
 
   def test_regexp_embed_preprocess

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