Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/optional/capi/gc_spec.rb

@@ -0,0 +1,54 @@
+require File.expand_path('../spec_helper', __FILE__)
+
+load_extension("gc")
+
+describe "CApiGCSpecs" do
+  before :each do
+    @f = CApiGCSpecs.new
+  end
+
+  it "correctly gets the value from a registered address" do
+    @f.registered_tagged_address.should == 10
+    @f.registered_tagged_address.object_id.should == @f.registered_tagged_address.object_id
+    @f.registered_reference_address.should == "Globally registered data"
+    @f.registered_reference_address.object_id.should == @f.registered_reference_address.object_id
+  end
+
+  describe "rb_gc_enable" do
+
+    after do
+      GC.enable
+    end
+
+    it "enables GC when disabled" do
+      GC.disable
+      @f.rb_gc_enable.should be_true
+    end
+
+    it "GC stays enabled when enabled" do
+      GC.enable
+      @f.rb_gc_enable.should be_false
+    end
+
+    it "disables GC when enabled" do
+      GC.enable
+      @f.rb_gc_disable.should be_false
+    end
+
+    it "GC stays disabled when disabled" do
+      GC.disable
+      @f.rb_gc_disable.should be_true
+    end
+  end
+
+  describe "rb_gc" do
+
+    it "increases gc count" do
+      gc_count = GC.count
+      @f.rb_gc
+      GC.count.should > gc_count
+    end
+
+  end
+
+end