test/ruby/envutil.rb: compare RSS to check memory leak

* test/ruby/envutil.rb (Test::Test#assert_no_memory_leak): compare
  also RSS if available.

* test/ruby/memory_status.rb (Memory::Status.parse): read string
  form of an instance.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 2 deletions

diff --git a/test/ruby/memory_status.rb b/test/ruby/memory_status.rb
index cb2e9e094c..bfbfbd6e88 100644
--- a/test/ruby/memory_status.rb
+++ b/test/ruby/memory_status.rb
@@ -1,5 +1,3 @@
-require_relative "envutil"
-
 module Memory
   keys = []
   vals = []
@@ -110,5 +108,20 @@ module Memory
     def initialize
       _update
     end
+
+    def to_s
+      status = each_pair.map {|n,v|
+        "#{n}:#{v}"
+      }
+      "{#{status.join(",")}}"
+    end
+
+    def self.parse(str)
+      status = allocate
+      str.scan(/(?:\A\{|\G,)(#{members.join('|')}):(\d+)(?=,|\}\z)/) do
+        status[$1] = $2.to_i
+      end
+      status
+    end
   end
 end