1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
require File.expand_path('../../../spec_helper', __FILE__)
describe :rational_modulo, shared: true do
it "returns the remainder when this value is divided by other" do
Rational(2, 3).send(@method, Rational(2, 3)).should == Rational(0, 1)
Rational(4, 3).send(@method, Rational(2, 3)).should == Rational(0, 1)
Rational(2, -3).send(@method, Rational(-2, 3)).should == Rational(0, 1)
Rational(0, -1).send(@method, -1).should == Rational(0, 1)
Rational(7, 4).send(@method, Rational(1, 2)).should == Rational(1, 4)
Rational(7, 4).send(@method, 1).should == Rational(3, 4)
Rational(7, 4).send(@method, Rational(1, 7)).should == Rational(1, 28)
Rational(3, 4).send(@method, -1).should == Rational(-1, 4)
Rational(1, -5).send(@method, -1).should == Rational(-1, 5)
end
it "returns a Float value when the argument is Float" do
Rational(7, 4).send(@method, 1.0).should be_kind_of(Float)
Rational(7, 4).send(@method, 1.0).should == 0.75
Rational(7, 4).send(@method, 0.26).should be_close(0.19, 0.0001)
end
it "raises ZeroDivisionError on zero denominator" do
lambda {
Rational(3, 5).send(@method, Rational(0, 1))
}.should raise_error(ZeroDivisionError)
lambda {
Rational(0, 1).send(@method, Rational(0, 1))
}.should raise_error(ZeroDivisionError)
lambda {
Rational(3, 5).send(@method, 0)
}.should raise_error(ZeroDivisionError)
end
it "raises a ZeroDivisionError when the argument is 0.0" do
lambda {
Rational(3, 5).send(@method, 0.0)
}.should raise_error(ZeroDivisionError)
end
end
|
