1 files changed, 49 insertions, 0 deletions
diff --git a/spec/ruby/core/builtin_constants/builtin_constants_spec.rb b/spec/ruby/core/builtin_constants/builtin_constants_spec.rb
new file mode 100644
index 0000000000..9019b127c2
--- /dev/null
+++ b/spec/ruby/core/builtin_constants/builtin_constants_spec.rb
@@ -0,0 +1,49 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "RUBY_VERSION" do
+  it "is a String" do
+    RUBY_VERSION.should be_kind_of(String)
+  end
+end
+
+describe "RUBY_PATCHLEVEL" do
+  it "is a Fixnum" do
+    RUBY_PATCHLEVEL.should be_kind_of(Fixnum)
+  end
+end
+
+describe "RUBY_COPYRIGHT" do
+  it "is a String" do
+    RUBY_COPYRIGHT.should be_kind_of(String)
+  end
+end
+
+describe "RUBY_DESCRIPTION" do
+  it "is a String" do
+    RUBY_DESCRIPTION.should be_kind_of(String)
+  end
+end
+
+describe "RUBY_ENGINE" do
+  it "is a String" do
+    RUBY_ENGINE.should be_kind_of(String)
+  end
+end
+
+describe "RUBY_PLATFORM" do
+  it "is a String" do
+    RUBY_PLATFORM.should be_kind_of(String)
+  end
+end
+
+describe "RUBY_RELEASE_DATE" do
+  it "is a String" do
+    RUBY_RELEASE_DATE.should be_kind_of(String)
+  end
+end
+
+describe "RUBY_REVISION" do
+  it "is a Fixnum" do
+    RUBY_REVISION.should be_kind_of(Fixnum)
+  end
+end