added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 67 insertions, 0 deletions

diff --git a/trunk/test/ruby/test_objectspace.rb b/trunk/test/ruby/test_objectspace.rb
new file mode 100644
index 0000000000..571c725986
--- /dev/null
+++ b/trunk/test/ruby/test_objectspace.rb
@@ -0,0 +1,67 @@
+require 'test/unit'
+require_relative 'envutil'
+
+class TestObjectSpace < Test::Unit::TestCase
+  def self.deftest_id2ref(obj)
+    /:(\d+)/ =~ caller[0]
+    file = $`
+    line = $1.to_i
+    code = <<"End"
+    define_method("test_id2ref_#{line}") {\
+      o = ObjectSpace._id2ref(obj.object_id);\
+      assert_same(obj, o, "didn't round trip: \#{obj.inspect}");\
+    }
+End
+    eval code, binding, file, line
+  end
+
+  deftest_id2ref(-0x4000000000000001)
+  deftest_id2ref(-0x4000000000000000)
+  deftest_id2ref(-0x40000001)
+  deftest_id2ref(-0x40000000)
+  deftest_id2ref(-1)
+  deftest_id2ref(0)
+  deftest_id2ref(1)
+  deftest_id2ref(0x3fffffff)
+  deftest_id2ref(0x40000000)
+  deftest_id2ref(0x3fffffffffffffff)
+  deftest_id2ref(0x4000000000000000)
+  deftest_id2ref(:a)
+  deftest_id2ref(:abcdefghijilkjl)
+  deftest_id2ref(:==)
+  deftest_id2ref(Object.new)
+  deftest_id2ref(self)
+  deftest_id2ref(true)
+  deftest_id2ref(false)
+  deftest_id2ref(nil)
+
+  def test_count_objects
+    h = {}
+    ObjectSpace.count_objects(h)
+    assert_kind_of(Hash, h)
+    assert(h.keys.all? {|x| x.is_a?(Symbol) || x.is_a?(Integer) })
+    assert(h.values.all? {|x| x.is_a?(Integer) })
+
+    h = ObjectSpace.count_objects
+    assert_kind_of(Hash, h)
+    assert(h.keys.all? {|x| x.is_a?(Symbol) || x.is_a?(Integer) })
+    assert(h.values.all? {|x| x.is_a?(Integer) })
+
+    assert_raise(TypeError) { ObjectSpace.count_objects(1) }
+
+    h0 = {:T_FOO=>1000}
+    h = ObjectSpace.count_objects(h0)
+    assert_same(h0, h)
+    assert_equal(0, h0[:T_FOO])
+  end
+
+  def test_finalizer
+    assert_in_out_err(["-e", <<-END], "", %w(:ok :ok :ok :ok), [])
+      a = []
+      ObjectSpace.define_finalizer(a) { p :ok }
+      b = a.dup
+      ObjectSpace.define_finalizer(a) { p :ok }
+    END
+    assert_raise(ArgumentError) { ObjectSpace.define_finalizer([], Object.new) }
+  end
+end