1 files changed, 21 insertions, 0 deletions
diff --git a/spec/rubyspec/core/bignum/remainder_spec.rb b/spec/rubyspec/core/bignum/remainder_spec.rb
new file mode 100644
index 0000000000..59f7eb4326
--- /dev/null
+++ b/spec/rubyspec/core/bignum/remainder_spec.rb
@@ -0,0 +1,21 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Bignum#remainder" do
+  it "returns the remainder of dividing self by other" do
+    a = bignum_value(79)
+    a.remainder(2).should == 1
+    a.remainder(97.345).should be_close(46.5674996147722, TOLERANCE)
+    a.remainder(bignum_value).should == 79
+  end
+
+  it "raises a ZeroDivisionError if other is zero and not a Float" do
+    lambda { bignum_value(66).remainder(0) }.should raise_error(ZeroDivisionError)
+  end
+
+  it "does raises ZeroDivisionError if other is zero and a Float" do
+    a = bignum_value(7)
+    b = bignum_value(32)
+    lambda { a.remainder(0.0) }.should raise_error(ZeroDivisionError)
+    lambda { b.remainder(-0.0) }.should raise_error(ZeroDivisionError)
+  end
+end