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-rw-r--r--test/ruby/test_m17n.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 37accee3f8..a2e8852289 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -1149,4 +1149,11 @@ class TestM17N < Test::Unit::TestCase
def test_euc_tw
assert_equal("a", "a\x8e\xa2\xa1\xa1".force_encoding("euc-tw").chop)
end
+
+ def test_valid_encoding
+ s = "\xa1".force_encoding("euc-jp")
+ assert_equal(false, s.valid_encoding?)
+ assert_equal(true,(s+s).valid_encoding?, "[ruby-dev:33826]")
+ assert_equal(true,(s*2).valid_encoding?, "[ruby-dev:33826]")
+ end
end