[Truffle] Add logger to stdlib.

Author: bjfish

lib/ruby/truffle/mri/logger.rb

@@ -0,0 +1 @@
+require_relative '../../stdlib/logger'

spec/truffle/tags/library/logger/device/close_tags.txt

@@ -0,0 +1 @@
+fails:Logger::LogDevice#close closes the LogDevice's stream

spec/truffle/tags/library/logger/device/new_tags.txt

@@ -0,0 +1 @@
+fails:Logger::LogDevice#new creates a File if the IO object does not exist

spec/truffle/tags/library/logger/device/write_tags.txt

@@ -0,0 +1,2 @@
+fails:Logger::LogDevice#write can create a file and writes empty message
+fails:Logger::LogDevice#write fails if the device is already closed

spec/truffle/tags/library/logger/logger/new_tags.txt

@@ -0,0 +1,2 @@
+fails:Logger#new creates a new logger object
+fails:Logger#new receivs a maximum logfile size as third argument

spec/truffle/truffle.mspec

@@ -90,6 +90,7 @@ class MSpecScript
     "spec/ruby/library/erb",
     "spec/ruby/library/getoptlong",
     "spec/ruby/library/matrix",
+    "spec/ruby/library/logger",
     "spec/ruby/library/observer",
     "spec/ruby/library/open3",
     "spec/ruby/library/openstruct",
@@ -117,7 +118,6 @@ class MSpecScript
     "^spec/ruby/library/expect",
     "^spec/ruby/library/fiber",
     "^spec/ruby/library/ipaddr",
-    "^spec/ruby/library/logger",
     "^spec/ruby/library/mathn",
     "^spec/ruby/library/net",
     "^spec/ruby/library/openssl",