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-rw-r--r--test/ruby/test_m17n.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index e2c0b7633a..80750baf30 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -358,7 +358,10 @@ class TestM17N < Test::Unit::TestCase
"\u3042".encode("UTF-16LE"),
"\u3042".encode("UTF-16BE"),
].each do |str|
- assert_equal(str, eval(str.dump), "[ruby-dev:33142]")
+ dump = str.dump
+ assert_equal(str, eval(dump), "[ruby-dev:33142]")
+ assert_equal(str, dump.undump)
+ assert_equal(str, eval("# frozen-string-literal: true\n#{dump}"), '[Bug #14687]')
end
end