[Bug #19763] Raise same message exception for regexp

1 files changed, 17 insertions, 1 deletions

diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 28293ffffc..907360b3a6 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -1090,7 +1090,23 @@ class TestM17N < Test::Unit::TestCase
     assert_nil(e("\xa1\xa2\xa3\xa4").index(e("\xa3")))
     assert_nil(e("\xa1\xa2\xa3\xa4").rindex(e("\xa3")))
     s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4")
-    assert_raise(Encoding::CompatibilityError){s.rindex(a("\xb1\xa3"))}
+
+    a_with_e = /EUC-JP and ASCII-8BIT/
+    assert_raise_with_message(Encoding::CompatibilityError, a_with_e) do
+      s.index(a("\xb1\xa3"))
+    end
+    assert_raise_with_message(Encoding::CompatibilityError, a_with_e) do
+      s.rindex(a("\xb1\xa3"))
+    end
+
+    a_with_e = /ASCII-8BIT regexp with EUC-JP string/
+    assert_raise_with_message(Encoding::CompatibilityError, a_with_e) do
+      s.index(Regexp.new(a("\xb1\xa3")))
+    end
+    assert_raise_with_message(Encoding::CompatibilityError, a_with_e) do
+      s.rindex(Regexp.new(a("\xb1\xa3")))
+    end
+
     bug11488 = '[ruby-core:70592] [Bug #11488]'
     each_encoding("abcdef", "def") do |str, substr|
       assert_equal(3, str.index(substr), bug11488)