3 class UTF8Test < ActiveSupport::TestCase
5 assert UTF8.valid?("test")
6 assert UTF8.valid?("vergrößern")
7 assert UTF8.valid?("ルシステムにも対応します")
8 assert UTF8.valid?("輕觸搖晃的遊戲")
10 assert_not UTF8.valid?("\xC0") # always invalid utf8
11 assert_not UTF8.valid?("\xC2\x4a") # 2-byte multibyte identifier, followed by plain ASCII
12 assert_not UTF8.valid?("\xC2\xC2") # 2-byte multibyte identifier, followed by another one
13 assert_not UTF8.valid?("\x4a\x82") # plain ASCII, followed by multibyte continuation
14 assert_not UTF8.valid?("\x82\x82") # multibyte continuations without multibyte identifier
15 assert_not UTF8.valid?("\xe1\x82\x4a") # three-byte identifier, contination and (incorrectly) plain ASCII