From cc1063092b366a0a8449528ab6bf67a72f5ce027 Mon Sep 17 00:00:00 2001
From: tmm1 <tmm1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 8 Dec 2013 04:05:59 +0000
Subject: vm.c: add RubyVM.stat for accessing cache serials

* vm.c (ruby_vm_stat): add RubyVM.stat() for access to internal cache
  counters. this methods behaves like GC.stat, accepting an optional
  hash or symbol argument. [Bug #9190] [ruby-core:58750]
* test/ruby/test_rubyvm.rb: test for new method

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44062 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_rubyvm.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/ruby/test_rubyvm.rb

(limited to 'test')

diff --git a/test/ruby/test_rubyvm.rb b/test/ruby/test_rubyvm.rb
new file mode 100644
index 0000000000..c63ee9f2c4
--- /dev/null
+++ b/test/ruby/test_rubyvm.rb
@@ -0,0 +1,16 @@
+require 'test/unit'
+
+class TestRubyVM < Test::Unit::TestCase
+  def test_stat
+    assert_kind_of Hash, RubyVM.stat
+    assert_kind_of Fixnum, RubyVM.stat[:method_serial]
+
+    RubyVM.stat(stat = {})
+    assert_not_empty stat
+    assert_equal stat[:method_serial], RubyVM.stat(:method_serial)
+  end
+
+  def test_stat_unknown
+    assert_raise(ArgumentError){ RubyVM.stat(:unknown) }
+  end
+end
-- 
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