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Diffstat (limited to 'spec/ruby/shared/complex/divide.rb')
-rw-r--r-- | spec/ruby/shared/complex/divide.rb | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/spec/ruby/shared/complex/divide.rb b/spec/ruby/shared/complex/divide.rb deleted file mode 100644 index 90143c6ef0..0000000000 --- a/spec/ruby/shared/complex/divide.rb +++ /dev/null @@ -1,84 +0,0 @@ -require_relative '../../spec_helper' - -describe :complex_divide, shared: true do - describe "with Complex" do - it "divides according to the usual rule for complex numbers" do - a = Complex((1 * 10) - (2 * 20), (1 * 20) + (2 * 10)) - b = Complex(1, 2) - a.send(@method, b).should == Complex(10, 20) - - c = Complex((1.5 * 100.2) - (2.1 * -30.3), (1.5 * -30.3) + (2.1 * 100.2)) - d = Complex(1.5, 2.1) - # remember the floating-point arithmetic - c.send(@method, d).should be_close(Complex(100.2, -30.3), TOLERANCE) - end - end - - describe "with Fixnum" do - it "divides both parts of the Complex number" do - Complex(20, 40).send(@method, 2).should == Complex(10, 20) - Complex(30, 30).send(@method, 10).should == Complex(3, 3) - end - - it "raises a ZeroDivisionError when given zero" do - lambda { Complex(20, 40).send(@method, 0) }.should raise_error(ZeroDivisionError) - end - - it "produces Rational parts" do - Complex(5, 9).send(@method, 2).should eql(Complex(Rational(5,2), Rational(9,2))) - end - end - - describe "with Bignum" do - it "divides both parts of the Complex number" do - Complex(20, 40).send(@method, 2).should == Complex(10, 20) - Complex(15, 16).send(@method, 2.0).should be_close(Complex(7.5, 8), TOLERANCE) - end - end - - describe "with Float" do - it "divides both parts of the Complex number" do - Complex(3, 9).send(@method, 1.5).should == Complex(2, 6) - Complex(15, 16).send(@method, 2.0).should be_close(Complex(7.5, 8), TOLERANCE) - end - - it "returns Complex(Infinity, Infinity) when given zero" do - Complex(20, 40).send(@method, 0.0).real.infinite?.should == 1 - Complex(20, 40).send(@method, 0.0).imag.infinite?.should == 1 - Complex(-20, 40).send(@method, 0.0).real.infinite?.should == -1 - Complex(-20, 40).send(@method, 0.0).imag.infinite?.should == 1 - end - end - - describe "with Object" do - it "tries to coerce self into other" do - value = Complex(3, 9) - - obj = mock("Object") - obj.should_receive(:coerce).with(value).and_return([4, 2]) - value.send(@method, obj).should == 2 - end - end - - describe "with a Numeric which responds to #real? with true" do - it "returns Complex(real.quo(other), imag.quo(other))" do - other = mock_numeric('other') - real = mock_numeric('real') - imag = mock_numeric('imag') - other.should_receive(:real?).and_return(true) - real.should_receive(:quo).with(other).and_return(1) - imag.should_receive(:quo).with(other).and_return(2) - Complex(real, imag).send(@method, other).should == Complex(1, 2) - end - end - - describe "with a Numeric which responds to #real? with false" do - it "coerces the passed argument to Complex and divides the resulting elements" do - complex = Complex(3, 0) - other = mock_numeric('other') - other.should_receive(:real?).any_number_of_times.and_return(false) - other.should_receive(:coerce).with(complex).and_return([5, 2]) - complex.send(@method, other).should eql(Rational(5, 2)) - end - end -end |