1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/numeric/zero_spec.rb b/spec/ruby/core/numeric/zero_spec.rb
new file mode 100644
index 0000000000..0fb7619bcd
--- /dev/null
+++ b/spec/ruby/core/numeric/zero_spec.rb
@@ -0,0 +1,18 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Numeric#zero?" do
+  before :each do
+    @obj = NumericSpecs::Subclass.new
+  end
+
+  it "returns true if self is 0" do
+    @obj.should_receive(:==).with(0).and_return(true)
+    @obj.should.zero?
+  end
+
+  it "returns false if self is not 0" do
+    @obj.should_receive(:==).with(0).and_return(false)
+    @obj.should_not.zero?
+  end
+end