From cff3c3d52a5406a61be62c81fc6101c4d514731f Mon Sep 17 00:00:00 2001 From: shyouhei Date: Fri, 27 Aug 2010 07:33:19 +0000 Subject: * string.c (rb_str_prepend): new method by Sora Harakami [Feature #3765] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_string.rb | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'test/ruby/test_string.rb') diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index 02271cefe6..6fc3167f45 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -1882,4 +1882,20 @@ class TestString < Test::Unit::TestCase assert_equal('"\\u3042\\u3044\\u3046"', "\u3042\u3044\u3046".encode(e).inspect) end end + + def test_prepend + assert_equal(S("hello world!"), "world!".prepend("hello ")) + + foo = Object.new + def foo.to_str + "b" + end + assert_equal(S("ba"), "a".prepend(foo)) + + a = S("world") + b = S("hello ") + a.prepend(b) + assert_equal(S("hello world"), a) + assert_equal(S("hello "), b) + end end -- cgit v1.2.3