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require 'test/unit'
require "-test-/string/string"
class Test_StringCStr < Test::Unit::TestCase
Bug4319 = '[ruby-dev:43094]'
def test_embed
s = Bug::String.new("abcdef")
s.set_len(3)
assert_equal(0, s.cstr_term, Bug4319)
end
def test_long
s = Bug::String.new("abcdef")*100000
assert_equal(0, s.cstr_term, Bug4319)
end
WCHARS = [Encoding::UTF_16BE, Encoding::UTF_16LE, Encoding::UTF_32BE, Encoding::UTF_32LE]
def test_wchar_embed
WCHARS.each do |enc|
s = Bug::String.new("\u{4022}a".encode(enc))
assert_nothing_raised(ArgumentError) {s.cstr_term}
s.set_len(s.bytesize / 2)
assert_equal(1, s.size)
assert_equal(0, s.cstr_term)
end
end
def test_wchar_long
str = "\u{4022}abcdef"
n = 100
len = str.size * n
WCHARS.each do |enc|
s = Bug::String.new(str.encode(enc))*n
assert_nothing_raised(ArgumentError, enc.name) {s.cstr_term}
s.set_len(s.bytesize / 2)
assert_equal(len / 2, s.size, enc.name)
assert_equal(0, s.cstr_term, enc.name)
end
end
def test_wchar_lstrip!
assert_wchars_term_char(" a") {|s| s.lstrip!}
end
def test_wchar_rstrip!
assert_wchars_term_char("a ") {|s| s.rstrip!}
end
def test_wchar_chop!
assert_wchars_term_char("a\n") {|s| s.chop!}
end
def test_wchar_chomp!
assert_wchars_term_char("a\n") {|s| s.chomp!}
end
def test_wchar_aset
assert_wchars_term_char("a"*30) {|s| s[29,1] = ""}
end
def test_wchar_sub!
assert_wchars_term_char("foobar") {|s| s.sub!(/#{"foo".encode(s.encoding)}/, "")}
end
def test_wchar_delete!
assert_wchars_term_char("foobar") {|s| s.delete!("ao".encode(s.encoding))}
end
def test_wchar_squeeze!
assert_wchars_term_char("foo!") {|s| s.squeeze!}
end
def test_wchar_tr!
assert_wchars_term_char("\u{3042}foobar") {|s|
enc = s.encoding
s.tr!("\u{3042}".encode(enc), "c".encode(enc))
}
end
def test_wchar_tr_s!
assert_wchars_term_char("\u{3042}foobar") {|s|
enc = s.encoding
s.tr_s!("\u{3042}".encode(enc), "c".encode(enc))
}
end
def assert_wchars_term_char(str)
result = {}
WCHARS.map do |enc|
s = Bug::String.new(str.encode(enc))
yield s
c = s.cstr_term_char
result[enc] = c if c
end
assert_empty(result)
end
end
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