1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/constants_spec.rb b/spec/ruby/core/integer/constants_spec.rb
new file mode 100644
index 0000000000..3b8b01e330
--- /dev/null
+++ b/spec/ruby/core/integer/constants_spec.rb
@@ -0,0 +1,25 @@
+require_relative '../../spec_helper'
+
+describe "Fixnum" do
+  it "is unified into Integer" do
+    suppress_warning do
+      Fixnum.should equal(Integer)
+    end
+  end
+
+  it "is deprecated" do
+    -> { Fixnum }.should complain(/constant ::Fixnum is deprecated/)
+  end
+end
+
+describe "Bignum" do
+  it "is unified into Integer" do
+    suppress_warning do
+      Bignum.should equal(Integer)
+    end
+  end
+
+  it "is deprecated" do
+    -> { Bignum }.should complain(/constant ::Bignum is deprecated/)
+  end
+end