Update to ruby/spec@0fe33ac

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 0 deletions

diff --git a/spec/ruby/core/io/syswrite_spec.rb b/spec/ruby/core/io/syswrite_spec.rb
index 879423de2e..e4936441ce 100644
--- a/spec/ruby/core/io/syswrite_spec.rb
+++ b/spec/ruby/core/io/syswrite_spec.rb
@@ -49,6 +49,23 @@ describe "IO#syswrite on a file" do
   end
 end
 
+describe "IO#syswrite on a pipe" do
+  it "returns the written bytes if the fd is in nonblock mode and write would block" do
+    require 'io/nonblock'
+    r, w = IO.pipe
+    begin
+      w.nonblock = true
+      larger_than_pipe_capacity = 100 * 1024
+      written = w.syswrite("a"*larger_than_pipe_capacity)
+      written.should > 0
+      written.should < larger_than_pipe_capacity
+    ensure
+      w.close
+      r.close
+    end
+  end
+end
+
 describe "IO#syswrite" do
   it_behaves_like :io_write, :syswrite
 end