diff options
Diffstat (limited to 'test/ruby/test_string.rb')
-rw-r--r-- | test/ruby/test_string.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index c5d3a53850..faa7bd670d 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -1944,4 +1944,36 @@ class TestString < Test::Unit::TestCase assert_equal(S("hello world"), a) assert_equal(S("hello "), b) end + + def u(str) + str.force_encoding(Encoding::UTF_8) + end + + def test_byteslice + assert_equal("h", "hello".byteslice(0)) + assert_equal(nil, "hello".byteslice(5)) + assert_equal("o", "hello".byteslice(-1)) + assert_equal(nil, "hello".byteslice(-6)) + + assert_equal("", "hello".byteslice(0, 0)) + assert_equal("hello", "hello".byteslice(0, 6)) + assert_equal("hello", "hello".byteslice(0, 6)) + assert_equal("", "hello".byteslice(5, 1)) + assert_equal("o", "hello".byteslice(-1, 6)) + assert_equal(nil, "hello".byteslice(-6, 1)) + assert_equal(nil, "hello".byteslice(0, -1)) + + assert_equal("h", "hello".byteslice(0..0)) + assert_equal("", "hello".byteslice(5..0)) + assert_equal("o", "hello".byteslice(4..5)) + assert_equal(nil, "hello".byteslice(6..0)) + assert_equal("", "hello".byteslice(-1..0)) + assert_equal("llo", "hello".byteslice(-3..5)) + + assert_equal(u("\x81"), "\u3042".byteslice(1)) + assert_equal(u("\x81\x82"), "\u3042".byteslice(1, 2)) + assert_equal(u("\x81\x82"), "\u3042".byteslice(1..2)) + + assert_equal(u("\x82")+("\u3042"*9), ("\u3042"*10).byteslice(2, 28)) + end end |