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Diffstat (limited to 'spec/ruby/shared/rational/Rational.rb')
| -rw-r--r-- | spec/ruby/shared/rational/Rational.rb | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/spec/ruby/shared/rational/Rational.rb b/spec/ruby/shared/rational/Rational.rb deleted file mode 100644 index 936a90c086..0000000000 --- a/spec/ruby/shared/rational/Rational.rb +++ /dev/null @@ -1,141 +0,0 @@ -require_relative '../../spec_helper' -require_relative '../../fixtures/rational' - -describe :kernel_Rational, shared: true do - describe "passed Integer" do - # Guard against the Mathn library - guard -> { !defined?(Math.rsqrt) } do - it "returns a new Rational number with 1 as the denominator" do - Rational(1).should eql(Rational(1, 1)) - Rational(-3).should eql(Rational(-3, 1)) - Rational(bignum_value).should eql(Rational(bignum_value, 1)) - end - end - end - - describe "passed two integers" do - it "returns a new Rational number" do - rat = Rational(1, 2) - rat.numerator.should == 1 - rat.denominator.should == 2 - rat.should be_an_instance_of(Rational) - - rat = Rational(-3, -5) - rat.numerator.should == 3 - rat.denominator.should == 5 - rat.should be_an_instance_of(Rational) - - rat = Rational(bignum_value, 3) - rat.numerator.should == bignum_value - rat.denominator.should == 3 - rat.should be_an_instance_of(Rational) - end - - it "reduces the Rational" do - rat = Rational(2, 4) - rat.numerator.should == 1 - rat.denominator.should == 2 - - rat = Rational(3, 9) - rat.numerator.should == 1 - rat.denominator.should == 3 - end - end - - describe "when passed a String" do - it "converts the String to a Rational using the same method as String#to_r" do - r = Rational(13, 25) - s_r = ".52".to_r - r_s = Rational(".52") - - r_s.should == r - r_s.should == s_r - end - - it "scales the Rational value of the first argument by the Rational value of the second" do - Rational(".52", ".6").should == Rational(13, 15) - Rational(".52", "1.6").should == Rational(13, 40) - end - - it "does not use the same method as Float#to_r" do - r = Rational(3, 5) - f_r = 0.6.to_r - r_s = Rational("0.6") - - r_s.should == r - r_s.should_not == f_r - end - - describe "when passed a Numeric" do - it "calls #to_r to convert the first argument to a Rational" do - num = RationalSpecs::SubNumeric.new(2) - - Rational(num).should == Rational(2) - end - end - - describe "when passed a Complex" do - it "returns a Rational from the real part if the imaginary part is 0" do - Rational(Complex(1, 0)).should == Rational(1) - end - - it "raises a RangeError if the imaginary part is not 0" do - -> { Rational(Complex(1, 2)) }.should raise_error(RangeError) - end - end - - it "raises a TypeError if the first argument is nil" do - -> { Rational(nil) }.should raise_error(TypeError) - end - - it "raises a TypeError if the second argument is nil" do - -> { Rational(1, nil) }.should raise_error(TypeError) - end - - it "raises a TypeError if the first argument is a Symbol" do - -> { Rational(:sym) }.should raise_error(TypeError) - end - - it "raises a TypeError if the second argument is a Symbol" do - -> { Rational(1, :sym) }.should raise_error(TypeError) - end - end - - describe "when passed exception: false" do - describe "and [non-Numeric]" do - it "swallows an error" do - Rational(:sym, exception: false).should == nil - Rational("abc", exception: false).should == nil - end - end - - describe "and [non-Numeric, Numeric]" do - it "swallows an error" do - Rational(:sym, 1, exception: false).should == nil - Rational("abc", 1, exception: false).should == nil - end - end - - describe "and [anything, non-Numeric]" do - it "swallows an error" do - Rational(:sym, :sym, exception: false).should == nil - Rational("abc", :sym, exception: false).should == nil - end - end - - describe "and non-Numeric String arguments" do - it "swallows an error" do - Rational("a", "b", exception: false).should == nil - Rational("a", 0, exception: false).should == nil - Rational(0, "b", exception: false).should == nil - end - end - - describe "and nil arguments" do - it "swallows an error" do - Rational(nil, exception: false).should == nil - Rational(nil, nil, exception: false).should == nil - end - end - end -end |
