diff options
Diffstat (limited to 'trunk/test/ruby/enc/test_utf32.rb')
-rw-r--r-- | trunk/test/ruby/enc/test_utf32.rb | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/trunk/test/ruby/enc/test_utf32.rb b/trunk/test/ruby/enc/test_utf32.rb new file mode 100644 index 0000000000..3d4a458512 --- /dev/null +++ b/trunk/test/ruby/enc/test_utf32.rb @@ -0,0 +1,93 @@ +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-32le"), + "abcdefgh".force_encoding("utf-32le")[0,3]) + assert_str_equal( + "abcdefgh".force_encoding("utf-32be"), + "abcdefgh".force_encoding("utf-32be")[0,3]) + end + + def test_mbc_len + al = "abcdefghijkl".force_encoding("utf-32le").each_char.to_a + ab = "abcdefghijkl".force_encoding("utf-32be").each_char.to_a + assert_equal("abcd".force_encoding("utf-32le"), al.shift) + assert_equal("efgh".force_encoding("utf-32le"), al.shift) + assert_equal("ijkl".force_encoding("utf-32le"), al.shift) + assert_equal("abcd".force_encoding("utf-32be"), ab.shift) + assert_equal("efgh".force_encoding("utf-32be"), ab.shift) + assert_equal("ijkl".force_encoding("utf-32be"), ab.shift) + end + + def ascii_to_utf16le(s) + s.unpack("C*").map {|x| [x,0,0,0] }.flatten.pack("C*").force_encoding("utf-32le") + end + + def ascii_to_utf16be(s) + s.unpack("C*").map {|x| [0,0,0,x] }.flatten.pack("C*").force_encoding("utf-32be") + end + + def test_mbc_newline + al = ascii_to_utf16le("foo\nbar\nbaz\n").lines.to_a + ab = ascii_to_utf16be("foo\nbar\nbaz\n").lines.to_a + + assert_equal(ascii_to_utf16le("foo\n"), al.shift) + assert_equal(ascii_to_utf16le("bar\n"), al.shift) + assert_equal(ascii_to_utf16le("baz\n"), al.shift) + assert_equal(ascii_to_utf16be("foo\n"), ab.shift) + assert_equal(ascii_to_utf16be("bar\n"), ab.shift) + assert_equal(ascii_to_utf16be("baz\n"), ab.shift) + + sl = "a\0".force_encoding("utf-32le") + sb = "a\0".force_encoding("utf-32be") + assert_equal(sl, sl.chomp) + assert_equal(sb, sb.chomp) + end + + def test_mbc_to_code + sl = "a\0\0\0".force_encoding("utf-32le") + sb = "\0\0\0a".force_encoding("utf-32be") + assert_equal("a".ord, sl.ord) + assert_equal("a".ord, sb.ord) + end + + def utf8_to_utf32(s, e) + s.chars.map {|c| c.ord.chr(e) }.join + end + + def test_mbc_case_fold + rl = Regexp.new(utf8_to_utf32("^(\u3042)(a)\\1\\2$", "utf-32le"), "i") + rb = Regexp.new(utf8_to_utf32("^(\u3042)(a)\\1\\2$", "utf-32be"), "i") + assert_equal(Encoding.find("utf-32le"), rl.encoding) + assert_equal(Encoding.find("utf-32be"), rb.encoding) + assert_match(rl, utf8_to_utf32("\u3042a\u3042a", "utf-32le")) + assert_match(rb, utf8_to_utf32("\u3042a\u3042a", "utf-32be")) + end + + def test_code_to_mbc + sl = "a\0\0\0".force_encoding("utf-32le") + sb = "\0\0\0a".force_encoding("utf-32be") + assert_equal(sl, "a".ord.chr("utf-32le")) + assert_equal(sb, "a".ord.chr("utf-32be")) + end +end + |