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-rw-r--r--test/unit/test_http_parser.rb18
1 files changed, 17 insertions, 1 deletions
diff --git a/test/unit/test_http_parser.rb b/test/unit/test_http_parser.rb
index 0443b46..5b0ca9f 100644
--- a/test/unit/test_http_parser.rb
+++ b/test/unit/test_http_parser.rb
@@ -527,5 +527,21 @@ class HttpParserTest < Test::Unit::TestCase
     end
 
   end
-end
 
+  # so we don't  care about the portability of this test
+  # if it doesn't leak on Linux, it won't leak anywhere else
+  # unless your C compiler or platform is otherwise broken
+  LINUX_PROC_PID_STATUS = "/proc/self/status"
+  def test_memory_leak
+    match_rss = /^VmRSS:\s+(\d+)/
+    if File.read(LINUX_PROC_PID_STATUS) =~ match_rss
+      before = $1.to_i
+      1000000.times { Unicorn::HttpParser.new }
+      File.read(LINUX_PROC_PID_STATUS) =~ match_rss
+      after = $1.to_i
+      diff = after - before
+      assert(diff < 10000, "memory grew more than 10M: #{diff}")
+    end
+  end if RUBY_PLATFORM =~ /linux/ && test(?r, LINUX_PROC_PID_STATUS)
+
+end