mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
74 lines
2.8 KiB
Ruby
74 lines
2.8 KiB
Ruby
describe :integer_modulo, shared: true do
|
|
context "fixnum" 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
|
|
-> { 13.send(@method, 0) }.should raise_error(ZeroDivisionError)
|
|
-> { 0.send(@method, 0) }.should raise_error(ZeroDivisionError)
|
|
-> { -10.send(@method, 0) }.should raise_error(ZeroDivisionError)
|
|
end
|
|
|
|
it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
|
|
-> { 0.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
|
|
-> { 10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
|
|
-> { -10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
|
|
end
|
|
|
|
it "raises a TypeError when given a non-Integer" do
|
|
-> {
|
|
(obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
|
|
13.send(@method, obj)
|
|
}.should raise_error(TypeError)
|
|
-> { 13.send(@method, "10") }.should raise_error(TypeError)
|
|
-> { 13.send(@method, :symbol) }.should raise_error(TypeError)
|
|
end
|
|
end
|
|
|
|
context "bignum" do
|
|
before :each do
|
|
@bignum = bignum_value
|
|
end
|
|
|
|
it "returns the modulus obtained from dividing self by the given argument" do
|
|
@bignum.send(@method, 5).should == 3
|
|
@bignum.send(@method, -5).should == -2
|
|
@bignum.send(@method, -100).should == -92
|
|
@bignum.send(@method, 2.22).should be_close(0.780180180180252, TOLERANCE)
|
|
@bignum.send(@method, bignum_value(10)).should == 9223372036854775808
|
|
end
|
|
|
|
it "raises a ZeroDivisionError when the given argument is 0" do
|
|
-> { @bignum.send(@method, 0) }.should raise_error(ZeroDivisionError)
|
|
-> { (-@bignum).send(@method, 0) }.should raise_error(ZeroDivisionError)
|
|
end
|
|
|
|
it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
|
|
-> { @bignum.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
|
|
-> { -@bignum.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
|
|
end
|
|
|
|
it "raises a TypeError when given a non-Integer" do
|
|
-> { @bignum.send(@method, mock('10')) }.should raise_error(TypeError)
|
|
-> { @bignum.send(@method, "10") }.should raise_error(TypeError)
|
|
-> { @bignum.send(@method, :symbol) }.should raise_error(TypeError)
|
|
end
|
|
end
|
|
end
|