diff options
Diffstat (limited to 'spec/ruby/core/fixnum/shared/modulo.rb')
-rw-r--r-- | spec/ruby/core/fixnum/shared/modulo.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/ruby/core/fixnum/shared/modulo.rb b/spec/ruby/core/fixnum/shared/modulo.rb new file mode 100644 index 0000000000..a2f9a2691d --- /dev/null +++ b/spec/ruby/core/fixnum/shared/modulo.rb @@ -0,0 +1,42 @@ +describe :fixnum_modulo, shared: true do + it "returns the modulus obtained from dividing self by the given argument" do + 13.send(@method, 4).should == 1 + 4.send(@method, 13).should == 4 + + 13.send(@method, 4.0).should == 1 + 4.send(@method, 13.0).should == 4 + + (-200).send(@method, 256).should == 56 + (-1000).send(@method, 512).should == 24 + + (-200).send(@method, -256).should == -200 + (-1000).send(@method, -512).should == -488 + + (200).send(@method, -256).should == -56 + (1000).send(@method, -512).should == -24 + + 1.send(@method, 2.0).should == 1.0 + 200.send(@method, bignum_value).should == 200 + end + + it "raises a ZeroDivisionError when the given argument is 0" do + lambda { 13.send(@method, 0) }.should raise_error(ZeroDivisionError) + lambda { 0.send(@method, 0) }.should raise_error(ZeroDivisionError) + lambda { -10.send(@method, 0) }.should raise_error(ZeroDivisionError) + end + + it "raises a ZeroDivisionError when the given argument is 0 and a Float" do + lambda { 0.send(@method, 0.0) }.should raise_error(ZeroDivisionError) + lambda { 10.send(@method, 0.0) }.should raise_error(ZeroDivisionError) + lambda { -10.send(@method, 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.send(@method, obj) + }.should raise_error(TypeError) + lambda { 13.send(@method, "10") }.should raise_error(TypeError) + lambda { 13.send(@method, :symbol) }.should raise_error(TypeError) + end +end |