1 files changed, 12 insertions, 0 deletions
diff --git a/test/helper.rb b/test/helper.rb
index 73cde51..634f63e 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -147,6 +147,18 @@ class DieIfUsed
    end
  end
  
+# tricky to test output buffering behavior across different OSes
+def skip_skb_mem
+  return if ENV['YAHNS_TEST_FORCE']
+  skip "linux-only test" unless RUBY_PLATFORM =~ /linux/
+  [ [ '/proc/sys/net/ipv4/tcp_rmem', "4096        87380        6291456\n" ],
+    [ '/proc/sys/net/ipv4/tcp_wmem', "4096        16384        4194304\n" ]
+  ].each do |file, expect|
+    val = IO.read(file)
+    val == expect or skip "#{file} had: #{val}expected: #{expect}"
+  end
+end
+
  require 'yahns'
  
  # needed for parallel (MT) tests)