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Add test for String#casecmp?

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String#casecmp? also normalize upper case characters in legacy encodings.
This commit is contained in:
NARUSE, Yui 2021-01-24 15:55:22 +09:00
parent d6e43e4723
commit 1bd27a7882
1 changed files with 15 additions and 0 deletions
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15
test/ruby/test_m17n_comb.rb
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@ -593,6 +593,21 @@ class TestM17NComb < Test::Unit::TestCase
}
end
def test_str_casecmp?
strings = STRINGS.dup
strings.push(
# prevent wrong single byte optimization
"\xC0".force_encoding("ISO-8859-1"),
"\xE0".force_encoding("ISO-8859-1"),
)
combination(strings, strings) {|s1, s2|
#puts "#{encdump(s1)}.casecmp(#{encdump(s2)})"
next unless s1.valid_encoding? && s2.valid_encoding? && Encoding.compatible?(s1, s2)
r = s1.casecmp?(s2)
assert_equal(s1.downcase(:fold) == s2.downcase(:fold), r)
}
end
def test_str_center
combination(STRINGS, [0,1,2,3,10]) {|s1, width|
t = s1.center(width)