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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-11-18 09:23:07 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-11-18 09:23:07 +0000
commit0c15b3a2221ff156452a9979b70b3e36d7bad6c0 (patch)
tree7d30f382804d06cb1d60fd451193287f148c920f /test/stringio
parent12eee69294f0692eb74b2daeb7dcf8e000491518 (diff)
* test/stringio/test_stringio.rb: imported from [ruby-dev:21941].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/stringio')
-rw-r--r--test/stringio/test_stringio.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
new file mode 100644
index 0000000..10390fc
--- /dev/null
+++ b/test/stringio/test_stringio.rb
@@ -0,0 +1,15 @@
+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