1 files changed, 67 insertions, 0 deletions
diff --git a/spec/rubyspec/core/numeric/remainder_spec.rb b/spec/rubyspec/core/numeric/remainder_spec.rb
new file mode 100644
index 0000000000..6d26d39669
--- /dev/null
+++ b/spec/rubyspec/core/numeric/remainder_spec.rb
@@ -0,0 +1,67 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Numeric#remainder" do
+  before :each do
+    @obj    = NumericSpecs::Subclass.new
+    @result = mock("Numeric#% result")
+    @other  = mock("Passed Object")
+  end
+
+  it "returns the result of calling self#% with other if self is 0" do
+    @obj.should_receive(:%).with(@other).and_return(@result)
+    @result.should_receive(:==).with(0).and_return(true)
+
+    @obj.remainder(@other).should equal(@result)
+  end
+
+  it "returns the result of calling self#% with other if self and other are greater than 0" do
+    @obj.should_receive(:%).with(@other).and_return(@result)
+    @result.should_receive(:==).with(0).and_return(false)
+
+    @obj.should_receive(:<).with(0).and_return(false)
+
+    @obj.should_receive(:>).with(0).and_return(true)
+    @other.should_receive(:<).with(0).and_return(false)
+
+    @obj.remainder(@other).should equal(@result)
+  end
+
+  it "returns the result of calling self#% with other if self and other are less than 0" do
+    @obj.should_receive(:%).with(@other).and_return(@result)
+    @result.should_receive(:==).with(0).and_return(false)
+
+    @obj.should_receive(:<).with(0).and_return(true)
+    @other.should_receive(:>).with(0).and_return(false)
+
+    @obj.should_receive(:>).with(0).and_return(false)
+
+    @obj.remainder(@other).should equal(@result)
+  end
+
+  it "returns the result of calling self#% with other - other if self is greater than 0 and other is less than 0" do
+    @obj.should_receive(:%).with(@other).and_return(@result)
+    @result.should_receive(:==).with(0).and_return(false)
+
+    @obj.should_receive(:<).with(0).and_return(false)
+
+    @obj.should_receive(:>).with(0).and_return(true)
+    @other.should_receive(:<).with(0).and_return(true)
+
+    @result.should_receive(:-).with(@other).and_return(:result)
+
+    @obj.remainder(@other).should == :result
+  end
+
+  it "returns the result of calling self#% with other - other if self is less than 0 and other is greater than 0" do
+    @obj.should_receive(:%).with(@other).and_return(@result)
+    @result.should_receive(:==).with(0).and_return(false)
+
+    @obj.should_receive(:<).with(0).and_return(true)
+    @other.should_receive(:>).with(0).and_return(true)
+
+    @result.should_receive(:-).with(@other).and_return(:result)
+
+    @obj.remainder(@other).should == :result
+  end
+end