cancel subversion backfire. sorry

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

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