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-rw-r--r--test/net/imap/test_imap.rb9
-rw-r--r--test/net/imap/test_imap_response_parser.rb3
2 files changed, 9 insertions, 3 deletions
diff --git a/test/net/imap/test_imap.rb b/test/net/imap/test_imap.rb
index da33533..bf57aa5 100644
--- a/test/net/imap/test_imap.rb
+++ b/test/net/imap/test_imap.rb
@@ -1,3 +1,6 @@
+#
+# -*- frozen_string_literal: true -*-
+
require "net/imap"
require "test/unit"
@@ -26,13 +29,13 @@ class IMAPTest < Test::Unit::TestCase
assert_equal("foo", Net::IMAP.encode_utf7("foo"))
assert_equal("&-", Net::IMAP.encode_utf7("&"))
- utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
+ utf8 = "\357\274\241\357\274\242\357\274\243".dup.force_encoding("UTF-8")
s = Net::IMAP.encode_utf7(utf8)
assert_equal("&,yH,Iv8j-", s)
s = Net::IMAP.encode_utf7("foo&#{utf8}-bar".encode("EUC-JP"))
assert_equal("foo&-&,yH,Iv8j--bar", s)
- utf8 = "\343\201\202&".force_encoding("UTF-8")
+ utf8 = "\343\201\202&".dup.force_encoding("UTF-8")
s = Net::IMAP.encode_utf7(utf8)
assert_equal("&MEI-&-", s)
s = Net::IMAP.encode_utf7(utf8.encode("EUC-JP"))
@@ -44,7 +47,7 @@ class IMAPTest < Test::Unit::TestCase
assert_equal("&-", Net::IMAP.decode_utf7("&--"))
s = Net::IMAP.decode_utf7("&,yH,Iv8j-")
- utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
+ utf8 = "\357\274\241\357\274\242\357\274\243".dup.force_encoding("UTF-8")
assert_equal(utf8, s)
end
diff --git a/test/net/imap/test_imap_response_parser.rb b/test/net/imap/test_imap_response_parser.rb
index 1612d78..1104a49 100644
--- a/test/net/imap/test_imap_response_parser.rb
+++ b/test/net/imap/test_imap_response_parser.rb
@@ -1,3 +1,6 @@
+#
+# -*- frozen_string_literal: true -*-
+
require "net/imap"
require "test/unit"