diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-10-03 06:02:55 +0000 |
---|---|---|
committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-10-03 06:02:55 +0000 |
commit | 129c02057e50ab1c4b016ac352af65f853668986 (patch) | |
tree | 3404739b68d5c668cd16a5f883f74381dd6cb22d /test/ruby | |
parent | 3e7c55fb005f1860ffdd31fdaed719f9818f00ba (diff) | |
download | ruby-129c02057e50ab1c4b016ac352af65f853668986.tar.gz |
add test for String#sum.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
-rw-r--r-- | test/ruby/test_string.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb new file mode 100644 index 0000000000..0ce33fdf19 --- /dev/null +++ b/test/ruby/test_string.rb @@ -0,0 +1,19 @@ +require 'test/unit' + +class TestString < Test::Unit::TestCase + def check_sum(str, bits=16) + sum = 0 + str.each_byte {|c| sum += c} + sum = sum & ((1 << bits) - 1) if bits != 0 + assert_equal(sum, str.sum(bits)) + end + def test_sum + assert_equal(0, "".sum) + assert_equal(294, "abc".sum) + check_sum("abc") + check_sum("\x80") + 8.upto(70) {|bits| + check_sum("xyz", bits) + } + end +end |