1 files changed, 35 insertions, 0 deletions
diff --git a/spec/rubyspec/core/fixnum/divmod_spec.rb b/spec/rubyspec/core/fixnum/divmod_spec.rb
new file mode 100644
index 0000000000..21c9afe315
--- /dev/null
+++ b/spec/rubyspec/core/fixnum/divmod_spec.rb
@@ -0,0 +1,35 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Fixnum#divmod" do
+  it "returns an Array containing quotient and modulus obtained from dividing self by the given argument" do
+    13.divmod(4).should == [3, 1]
+    4.divmod(13).should == [0, 4]
+
+    13.divmod(4.0).should == [3, 1]
+    4.divmod(13.0).should == [0, 4]
+
+    1.divmod(2.0).should == [0, 1.0]
+    200.divmod(bignum_value).should == [0, 200]
+  end
+
+  it "raises a ZeroDivisionError when the given argument is 0" do
+    lambda { 13.divmod(0)  }.should raise_error(ZeroDivisionError)
+    lambda { 0.divmod(0)   }.should raise_error(ZeroDivisionError)
+    lambda { -10.divmod(0) }.should raise_error(ZeroDivisionError)
+  end
+
+  it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
+    lambda { 0.divmod(0.0)   }.should raise_error(ZeroDivisionError)
+    lambda { 10.divmod(0.0)  }.should raise_error(ZeroDivisionError)
+    lambda { -10.divmod(0.0) }.should raise_error(ZeroDivisionError)
+  end
+
+  it "raises a TypeError when given a non-Integer" do
+    lambda {
+      (obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
+      13.divmod(obj)
+    }.should raise_error(TypeError)
+    lambda { 13.divmod("10")    }.should raise_error(TypeError)
+    lambda { 13.divmod(:symbol) }.should raise_error(TypeError)
+  end
+end