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require 'test/unit'
$KCODE = 'none'
class TestStringchar < Test::Unit::TestCase
def test_string
assert_equal("abcd", "abcd")
assert("abcd" =~ /abcd/)
assert("abcd" === "abcd")
# compile time string concatenation
assert_equal("ab" "cd", "abcd")
assert_equal("#{22}aa" "cd#{44}", "22aacd44")
assert_equal("#{22}aa" "cd#{44}" "55" "#{66}", "22aacd445566")
assert("abc" !~ /^$/)
assert("abc\n" !~ /^$/)
assert("abc" !~ /^d*$/)
assert_equal(("abc" =~ /d*$/), 3)
assert("" =~ /^$/)
assert("\n" =~ /^$/)
assert("a\n\n" =~ /^$/)
assert("abcabc" =~ /.*a/ && $& == "abca")
assert("abcabc" =~ /.*c/ && $& == "abcabc")
assert("abcabc" =~ /.*?a/ && $& == "a")
assert("abcabc" =~ /.*?c/ && $& == "abc")
assert(/(.|\n)*?\n(b|\n)/ =~ "a\nb\n\n" && $& == "a\nb")
assert(/^(ab+)+b/ =~ "ababb" && $& == "ababb")
assert(/^(?:ab+)+b/ =~ "ababb" && $& == "ababb")
assert(/^(ab+)+/ =~ "ababb" && $& == "ababb")
assert(/^(?:ab+)+/ =~ "ababb" && $& == "ababb")
assert(/(\s+\d+){2}/ =~ " 1 2" && $& == " 1 2")
assert(/(?:\s+\d+){2}/ =~ " 1 2" && $& == " 1 2")
$x = <<END;
ABCD
ABCD
END
$x.gsub!(/((.|\n)*?)B((.|\n)*?)D/){$1+$3}
assert_equal($x, "AC\nAC\n")
assert("foobar" =~ /foo(?=(bar)|(baz))/)
assert("foobaz" =~ /foo(?=(bar)|(baz))/)
$foo = "abc"
assert_equal("#$foo = abc", "abc = abc")
assert_equal("#{$foo} = abc", "abc = abc")
foo = "abc"
assert_equal("#{foo} = abc", "abc = abc")
assert_equal('-' * 5, '-----')
assert_equal('-' * 1, '-')
assert_equal('-' * 0, '')
foo = '-'
assert_equal(foo * 5, '-----')
assert_equal(foo * 1, '-')
assert_equal(foo * 0, '')
$x = "a.gif"
assert_equal($x.sub(/.*\.([^\.]+)$/, '\1'), "gif")
assert_equal($x.sub(/.*\.([^\.]+)$/, 'b.\1'), "b.gif")
assert_equal($x.sub(/.*\.([^\.]+)$/, '\2'), "")
assert_equal($x.sub(/.*\.([^\.]+)$/, 'a\2b'), "ab")
assert_equal($x.sub(/.*\.([^\.]+)$/, '<\&>'), "<a.gif>")
end
def test_char
# character constants(assumes ASCII)
assert_equal("a"[0], ?a)
assert_equal(?a, ?a)
assert_equal(?\C-a, 1)
assert_equal(?\M-a, 225)
assert_equal(?\M-\C-a, 129)
assert_equal("a".upcase![0], ?A)
assert_equal("A".downcase![0], ?a)
assert_equal("abc".tr!("a-z", "A-Z"), "ABC")
assert_equal("aabbcccc".tr_s!("a-z", "A-Z"), "ABC")
assert_equal("abcc".squeeze!("a-z"), "abc")
assert_equal("abcd".delete!("bc"), "ad")
$x = "abcdef"
$y = [ ?a, ?b, ?c, ?d, ?e, ?f ]
$bad = false
$x.each_byte {|i|
if i != $y.shift
$bad = true
break
end
}
assert(!$bad)
s = "a string"
s[0..s.size]="another string"
assert_equal(s, "another string")
s = <<EOS
#{
[1,2,3].join(",")
}
EOS
assert_equal(s, "1,2,3\n")
assert_equal("Just".to_i(36), 926381)
assert_equal("-another".to_i(36), -23200231779)
assert_equal(1299022.to_s(36), "ruby")
assert_equal(-1045307475.to_s(36), "-hacker")
assert_equal("Just_another_Ruby_hacker".to_i(36), 265419172580680477752431643787347)
assert_equal(-265419172580680477752431643787347.to_s(36), "-justanotherrubyhacker")
a = []
(0..255).each {|n|
ch = [n].pack("C")
a.push ch if /a#{Regexp.quote ch}b/x =~ "ab"
}
assert_equal(a.size, 0)
end
end
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