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require 'test/unit'
class TestUTF32 < Test::Unit::TestCase
def encdump(str)
d = str.dump
if /\.force_encoding\("[A-Za-z0-9.:_+-]*"\)\z/ =~ d
d
else
"#{d}.force_encoding(#{str.encoding.name.dump})"
end
end
def assert_str_equal(expected, actual, message=nil)
full_message = build_message(message, <<EOT)
#{encdump expected} expected but not equal to
#{encdump actual}.
EOT
assert_block(full_message) { expected == actual }
end
def test_substr
assert_str_equal(
"abcdefgh".force_encoding("utf-32be"),
"abcdefgh".force_encoding("utf-32be")[0,3])
end
end
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