mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
0c15b3a222
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
15 lines
354 B
Ruby
15 lines
354 B
Ruby
require 'test/unit'
|
|
require 'stringio'
|
|
|
|
class TestStringIO < Test::Unit::TestCase
|
|
def test_empty_file
|
|
f = StringIO.new("")
|
|
assert_equal("", f.read(0))
|
|
assert_equal("", f.read)
|
|
assert_equal(nil, f.read(0))
|
|
f = StringIO.new("")
|
|
assert_equal(nil, f.read(1))
|
|
assert_equal(nil, f.read)
|
|
assert_equal(nil, f.read(1))
|
|
end
|
|
end
|