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-rw-r--r--spec/ruby/core/complex/abs_spec.rb10
-rw-r--r--spec/ruby/core/complex/angle_spec.rb5
-rw-r--r--spec/ruby/core/complex/arg_spec.rb9
-rw-r--r--spec/ruby/core/complex/conj_spec.rb5
-rw-r--r--spec/ruby/core/complex/conjugate_spec.rb8
-rw-r--r--spec/ruby/core/complex/divide_spec.rb82
-rw-r--r--spec/ruby/core/complex/imag_spec.rb5
-rw-r--r--spec/ruby/core/complex/imaginary_spec.rb8
-rw-r--r--spec/ruby/core/complex/magnitude_spec.rb5
-rw-r--r--spec/ruby/core/complex/phase_spec.rb5
-rw-r--r--spec/ruby/core/complex/quo_spec.rb5
-rw-r--r--spec/ruby/core/complex/rect_spec.rb9
-rw-r--r--spec/ruby/core/complex/rectangular_spec.rb110
-rw-r--r--spec/ruby/core/complex/shared/abs.rb10
-rw-r--r--spec/ruby/core/complex/shared/arg.rb9
-rw-r--r--spec/ruby/core/complex/shared/conjugate.rb8
-rw-r--r--spec/ruby/core/complex/shared/divide.rb82
-rw-r--r--spec/ruby/core/complex/shared/image.rb8
-rw-r--r--spec/ruby/core/complex/shared/rect.rb94
19 files changed, 238 insertions, 239 deletions
diff --git a/spec/ruby/core/complex/abs_spec.rb b/spec/ruby/core/complex/abs_spec.rb
index 43912c517f..ed5aebb11d 100644
--- a/spec/ruby/core/complex/abs_spec.rb
+++ b/spec/ruby/core/complex/abs_spec.rb
@@ -1,6 +1,12 @@
require_relative '../../spec_helper'
-require_relative 'shared/abs'
describe "Complex#abs" do
- it_behaves_like :complex_abs, :abs
+ it "returns the modulus: |a + bi| = sqrt((a ^ 2) + (b ^ 2))" do
+ Complex(0, 0).abs.should == 0
+ Complex(3, 4).abs.should == 5 # well-known integer case
+ Complex(-3, 4).abs.should == 5
+ Complex(1, -1).abs.should be_close(Math.sqrt(2), TOLERANCE)
+ Complex(6.5, 0).abs.should be_close(6.5, TOLERANCE)
+ Complex(0, -7.2).abs.should be_close(7.2, TOLERANCE)
+ end
end
diff --git a/spec/ruby/core/complex/angle_spec.rb b/spec/ruby/core/complex/angle_spec.rb
index 4aa176956f..7551214d2b 100644
--- a/spec/ruby/core/complex/angle_spec.rb
+++ b/spec/ruby/core/complex/angle_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/arg'
describe "Complex#angle" do
- it_behaves_like :complex_arg, :angle
+ it "is an alias of Complex#arg" do
+ Complex.instance_method(:angle).should == Complex.instance_method(:arg)
+ end
end
diff --git a/spec/ruby/core/complex/arg_spec.rb b/spec/ruby/core/complex/arg_spec.rb
index 009f19429f..dd64102d77 100644
--- a/spec/ruby/core/complex/arg_spec.rb
+++ b/spec/ruby/core/complex/arg_spec.rb
@@ -1,6 +1,11 @@
require_relative '../../spec_helper'
-require_relative 'shared/arg'
describe "Complex#arg" do
- it_behaves_like :complex_arg, :arg
+ it "returns the argument -- i.e., the angle from (1, 0) in the complex plane" do
+ two_pi = 2 * Math::PI
+ (Complex(1, 0).arg % two_pi).should be_close(0, TOLERANCE)
+ (Complex(0, 2).arg % two_pi).should be_close(Math::PI * 0.5, TOLERANCE)
+ (Complex(-100, 0).arg % two_pi).should be_close(Math::PI, TOLERANCE)
+ (Complex(0, -75.3).arg % two_pi).should be_close(Math::PI * 1.5, TOLERANCE)
+ end
end
diff --git a/spec/ruby/core/complex/conj_spec.rb b/spec/ruby/core/complex/conj_spec.rb
index 5e3bc1acb8..063c85faec 100644
--- a/spec/ruby/core/complex/conj_spec.rb
+++ b/spec/ruby/core/complex/conj_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/conjugate'
describe "Complex#conj" do
- it_behaves_like :complex_conjugate, :conj
+ it "is an alias of Complex#conjugate" do
+ Complex.instance_method(:conj).should == Complex.instance_method(:conjugate)
+ end
end
diff --git a/spec/ruby/core/complex/conjugate_spec.rb b/spec/ruby/core/complex/conjugate_spec.rb
index f658bab4da..256fe4b3be 100644
--- a/spec/ruby/core/complex/conjugate_spec.rb
+++ b/spec/ruby/core/complex/conjugate_spec.rb
@@ -1,6 +1,10 @@
require_relative '../../spec_helper'
-require_relative 'shared/conjugate'
describe "Complex#conjugate" do
- it_behaves_like :complex_conjugate, :conjugate
+ it "returns the complex conjugate: conj a + bi = a - bi" do
+ Complex(3, 5).conjugate.should == Complex(3, -5)
+ Complex(3, -5).conjugate.should == Complex(3, 5)
+ Complex(-3.0, 5.2).conjugate.should be_close(Complex(-3.0, -5.2), TOLERANCE)
+ Complex(3.0, -5.2).conjugate.should be_close(Complex(3.0, 5.2), TOLERANCE)
+ end
end
diff --git a/spec/ruby/core/complex/divide_spec.rb b/spec/ruby/core/complex/divide_spec.rb
index bebf862312..d5b4aa3885 100644
--- a/spec/ruby/core/complex/divide_spec.rb
+++ b/spec/ruby/core/complex/divide_spec.rb
@@ -1,6 +1,84 @@
require_relative '../../spec_helper'
-require_relative 'shared/divide'
describe "Complex#/" do
- it_behaves_like :complex_divide, :/
+ 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 / 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 / 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) / 2).should == Complex(10, 20)
+ (Complex(30, 30) / 10).should == Complex(3, 3)
+ end
+
+ it "raises a ZeroDivisionError when given zero" do
+ -> { Complex(20, 40) / 0 }.should.raise(ZeroDivisionError)
+ end
+
+ it "produces Rational parts" do
+ (Complex(5, 9) / 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) / 2).should == Complex(10, 20)
+ (Complex(15, 16) / 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) / 1.5).should == Complex(2, 6)
+ (Complex(15, 16) / 2.0).should be_close(Complex(7.5, 8), TOLERANCE)
+ end
+
+ it "returns Complex(Infinity, Infinity) when given zero" do
+ (Complex(20, 40) / 0.0).real.infinite?.should == 1
+ (Complex(20, 40) / 0.0).imag.infinite?.should == 1
+ (Complex(-20, 40) / 0.0).real.infinite?.should == -1
+ (Complex(-20, 40) / 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 / 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) / 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 / other).should.eql?(Rational(5, 2))
+ end
+ end
end
diff --git a/spec/ruby/core/complex/imag_spec.rb b/spec/ruby/core/complex/imag_spec.rb
index 2bafd1ab54..225f168e78 100644
--- a/spec/ruby/core/complex/imag_spec.rb
+++ b/spec/ruby/core/complex/imag_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/image'
describe "Complex#imag" do
- it_behaves_like :complex_image, :imag
+ it "is an alias of Complex#imaginary" do
+ Complex.instance_method(:imag).should == Complex.instance_method(:imaginary)
+ end
end
diff --git a/spec/ruby/core/complex/imaginary_spec.rb b/spec/ruby/core/complex/imaginary_spec.rb
index a8a1bfea90..ac9284e934 100644
--- a/spec/ruby/core/complex/imaginary_spec.rb
+++ b/spec/ruby/core/complex/imaginary_spec.rb
@@ -1,6 +1,10 @@
require_relative '../../spec_helper'
-require_relative 'shared/image'
describe "Complex#imaginary" do
- it_behaves_like :complex_image, :imaginary
+ it "returns the imaginary part of self" do
+ Complex(1, 0).imaginary.should == 0
+ Complex(2, 1).imaginary.should == 1
+ Complex(6.7, 8.9).imaginary.should == 8.9
+ Complex(1, bignum_value).imaginary.should == bignum_value
+ end
end
diff --git a/spec/ruby/core/complex/magnitude_spec.rb b/spec/ruby/core/complex/magnitude_spec.rb
index 86f3b29868..6341b4eec8 100644
--- a/spec/ruby/core/complex/magnitude_spec.rb
+++ b/spec/ruby/core/complex/magnitude_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/abs'
describe "Complex#magnitude" do
- it_behaves_like :complex_abs, :magnitude
+ it "is an alias of Complex#abs" do
+ Complex.instance_method(:magnitude).should == Complex.instance_method(:abs)
+ end
end
diff --git a/spec/ruby/core/complex/phase_spec.rb b/spec/ruby/core/complex/phase_spec.rb
index 89574bf533..2ab90989e1 100644
--- a/spec/ruby/core/complex/phase_spec.rb
+++ b/spec/ruby/core/complex/phase_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/arg'
describe "Complex#phase" do
- it_behaves_like :complex_arg, :phase
+ it "is an alias of Complex#arg" do
+ Complex.instance_method(:phase).should == Complex.instance_method(:arg)
+ end
end
diff --git a/spec/ruby/core/complex/quo_spec.rb b/spec/ruby/core/complex/quo_spec.rb
index ee6fd65c79..be0a44d532 100644
--- a/spec/ruby/core/complex/quo_spec.rb
+++ b/spec/ruby/core/complex/quo_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/divide'
describe "Complex#quo" do
- it_behaves_like :complex_divide, :quo
+ it "is an alias of Complex#/" do
+ Complex.instance_method(:quo).should == Complex.instance_method(:/)
+ end
end
diff --git a/spec/ruby/core/complex/rect_spec.rb b/spec/ruby/core/complex/rect_spec.rb
index 9e95f3efc2..bf3467c611 100644
--- a/spec/ruby/core/complex/rect_spec.rb
+++ b/spec/ruby/core/complex/rect_spec.rb
@@ -1,10 +1,13 @@
require_relative '../../spec_helper'
-require_relative 'shared/rect'
describe "Complex#rect" do
- it_behaves_like :complex_rect, :rect
+ it "is an alias of Complex#rectangular" do
+ Complex.instance_method(:rect).should == Complex.instance_method(:rectangular)
+ end
end
describe "Complex.rect" do
- it_behaves_like :complex_rect_class, :rect
+ it "is an alias of Complex.rectangular" do
+ Complex.method(:rect).should == Complex.method(:rectangular)
+ end
end
diff --git a/spec/ruby/core/complex/rectangular_spec.rb b/spec/ruby/core/complex/rectangular_spec.rb
index d4b8ad9782..7789bf925e 100644
--- a/spec/ruby/core/complex/rectangular_spec.rb
+++ b/spec/ruby/core/complex/rectangular_spec.rb
@@ -1,10 +1,114 @@
require_relative '../../spec_helper'
-require_relative 'shared/rect'
describe "Complex#rectangular" do
- it_behaves_like :complex_rect, :rectangular
+ before :each do
+ @numbers = [
+ Complex(1),
+ Complex(0, 20),
+ Complex(0, 0),
+ Complex(0.0),
+ Complex(9999999**99),
+ Complex(-20),
+ Complex.polar(76, 10)
+ ]
+ end
+
+ it "returns an Array" do
+ @numbers.each do |number|
+ number.rectangular.should.instance_of?(Array)
+ end
+ end
+
+ it "returns a two-element Array" do
+ @numbers.each do |number|
+ number.rectangular.size.should == 2
+ end
+ end
+
+ it "returns the real part of self as the first element" do
+ @numbers.each do |number|
+ number.rectangular.first.should == number.real
+ end
+ end
+
+ it "returns the imaginary part of self as the last element" do
+ @numbers.each do |number|
+ number.rectangular.last.should == number.imaginary
+ end
+ end
+
+ it "raises an ArgumentError if given any arguments" do
+ @numbers.each do |number|
+ -> { number.rectangular(number) }.should.raise(ArgumentError)
+ end
+ end
end
describe "Complex.rectangular" do
- it_behaves_like :complex_rect_class, :rectangular
+ describe "passed a Numeric n which responds to #real? with true" do
+ it "returns a Complex with real part n and imaginary part 0" do
+ n = mock_numeric('n')
+ n.should_receive(:real?).any_number_of_times.and_return(true)
+ result = Complex.rectangular(n)
+ result.real.should == n
+ result.imag.should == 0
+ end
+ end
+
+ describe "passed a Numeric which responds to #real? with false" do
+ it "raises TypeError" do
+ n = mock_numeric('n')
+ n.should_receive(:real?).any_number_of_times.and_return(false)
+ -> { Complex.rectangular(n) }.should.raise(TypeError)
+ end
+ end
+
+ describe "passed Numerics n1 and n2 and at least one responds to #real? with false" do
+ [[false, false], [false, true], [true, false]].each do |r1, r2|
+ it "raises TypeError" do
+ n1 = mock_numeric('n1')
+ n2 = mock_numeric('n2')
+ n1.should_receive(:real?).any_number_of_times.and_return(r1)
+ n2.should_receive(:real?).any_number_of_times.and_return(r2)
+ -> { Complex.rectangular(n1, n2) }.should.raise(TypeError)
+ end
+ end
+ end
+
+ describe "passed Numerics n1 and n2 and both respond to #real? with true" do
+ it "returns a Complex with real part n1 and imaginary part n2" do
+ n1 = mock_numeric('n1')
+ n2 = mock_numeric('n2')
+ n1.should_receive(:real?).any_number_of_times.and_return(true)
+ n2.should_receive(:real?).any_number_of_times.and_return(true)
+ result = Complex.rectangular(n1, n2)
+ result.real.should == n1
+ result.imag.should == n2
+ end
+ end
+
+ describe "when passed a Complex" do
+ it "raises a TypeError when the imaginary part is not zero" do
+ -> {
+ Complex.rectangular(1.0+1i, 2)
+ }.should.raise(TypeError)
+
+ -> {
+ Complex.rectangular(1.0, 2i)
+ }.should.raise(TypeError)
+ end
+
+ it "ignores the imaginary part if it is zero" do
+ result = Complex.rectangular(1.0+0i, 2+0.0i)
+ result.real.should == 1.0
+ result.imag.should == 2
+ end
+ end
+
+ describe "passed a non-Numeric" do
+ it "raises TypeError" do
+ -> { Complex.rectangular(:sym) }.should.raise(TypeError)
+ -> { Complex.rectangular(0, :sym) }.should.raise(TypeError)
+ end
+ end
end
diff --git a/spec/ruby/core/complex/shared/abs.rb b/spec/ruby/core/complex/shared/abs.rb
deleted file mode 100644
index 2299479341..0000000000
--- a/spec/ruby/core/complex/shared/abs.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-describe :complex_abs, shared: true do
- it "returns the modulus: |a + bi| = sqrt((a ^ 2) + (b ^ 2))" do
- Complex(0, 0).send(@method).should == 0
- Complex(3, 4).send(@method).should == 5 # well-known integer case
- Complex(-3, 4).send(@method).should == 5
- Complex(1, -1).send(@method).should be_close(Math.sqrt(2), TOLERANCE)
- Complex(6.5, 0).send(@method).should be_close(6.5, TOLERANCE)
- Complex(0, -7.2).send(@method).should be_close(7.2, TOLERANCE)
- end
-end
diff --git a/spec/ruby/core/complex/shared/arg.rb b/spec/ruby/core/complex/shared/arg.rb
deleted file mode 100644
index c81f197433..0000000000
--- a/spec/ruby/core/complex/shared/arg.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-describe :complex_arg, shared: true do
- it "returns the argument -- i.e., the angle from (1, 0) in the complex plane" do
- two_pi = 2 * Math::PI
- (Complex(1, 0).send(@method) % two_pi).should be_close(0, TOLERANCE)
- (Complex(0, 2).send(@method) % two_pi).should be_close(Math::PI * 0.5, TOLERANCE)
- (Complex(-100, 0).send(@method) % two_pi).should be_close(Math::PI, TOLERANCE)
- (Complex(0, -75.3).send(@method) % two_pi).should be_close(Math::PI * 1.5, TOLERANCE)
- end
-end
diff --git a/spec/ruby/core/complex/shared/conjugate.rb b/spec/ruby/core/complex/shared/conjugate.rb
deleted file mode 100644
index d1ae47bcb6..0000000000
--- a/spec/ruby/core/complex/shared/conjugate.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-describe :complex_conjugate, shared: true do
- it "returns the complex conjugate: conj a + bi = a - bi" do
- Complex(3, 5).send(@method).should == Complex(3, -5)
- Complex(3, -5).send(@method).should == Complex(3, 5)
- Complex(-3.0, 5.2).send(@method).should be_close(Complex(-3.0, -5.2), TOLERANCE)
- Complex(3.0, -5.2).send(@method).should be_close(Complex(3.0, 5.2), TOLERANCE)
- end
-end
diff --git a/spec/ruby/core/complex/shared/divide.rb b/spec/ruby/core/complex/shared/divide.rb
deleted file mode 100644
index ef79ecdf75..0000000000
--- a/spec/ruby/core/complex/shared/divide.rb
+++ /dev/null
@@ -1,82 +0,0 @@
-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
- -> { Complex(20, 40).send(@method, 0) }.should.raise(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
diff --git a/spec/ruby/core/complex/shared/image.rb b/spec/ruby/core/complex/shared/image.rb
deleted file mode 100644
index f839dbcaf9..0000000000
--- a/spec/ruby/core/complex/shared/image.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-describe :complex_image, shared: true do
- it "returns the imaginary part of self" do
- Complex(1, 0).send(@method).should == 0
- Complex(2, 1).send(@method).should == 1
- Complex(6.7, 8.9).send(@method).should == 8.9
- Complex(1, bignum_value).send(@method).should == bignum_value
- end
-end
diff --git a/spec/ruby/core/complex/shared/rect.rb b/spec/ruby/core/complex/shared/rect.rb
deleted file mode 100644
index 858234961b..0000000000
--- a/spec/ruby/core/complex/shared/rect.rb
+++ /dev/null
@@ -1,94 +0,0 @@
-describe :complex_rect, shared: true do
- before :each do
- @numbers = [
- Complex(1),
- Complex(0, 20),
- Complex(0, 0),
- Complex(0.0),
- Complex(9999999**99),
- Complex(-20),
- Complex.polar(76, 10)
- ]
- end
-
- it "returns an Array" do
- @numbers.each do |number|
- number.send(@method).should.instance_of?(Array)
- end
- end
-
- it "returns a two-element Array" do
- @numbers.each do |number|
- number.send(@method).size.should == 2
- end
- end
-
- it "returns the real part of self as the first element" do
- @numbers.each do |number|
- number.send(@method).first.should == number.real
- end
- end
-
- it "returns the imaginary part of self as the last element" do
- @numbers.each do |number|
- number.send(@method).last.should == number.imaginary
- end
- end
-
- it "raises an ArgumentError if given any arguments" do
- @numbers.each do |number|
- -> { number.send(@method, number) }.should.raise(ArgumentError)
- end
- end
-end
-
-describe :complex_rect_class, shared: true do
- describe "passed a Numeric n which responds to #real? with true" do
- it "returns a Complex with real part n and imaginary part 0" do
- n = mock_numeric('n')
- n.should_receive(:real?).any_number_of_times.and_return(true)
- result = Complex.send(@method, n)
- result.real.should == n
- result.imag.should == 0
- end
- end
-
- describe "passed a Numeric which responds to #real? with false" do
- it "raises TypeError" do
- n = mock_numeric('n')
- n.should_receive(:real?).any_number_of_times.and_return(false)
- -> { Complex.send(@method, n) }.should.raise(TypeError)
- end
- end
-
- describe "passed Numerics n1 and n2 and at least one responds to #real? with false" do
- [[false, false], [false, true], [true, false]].each do |r1, r2|
- it "raises TypeError" do
- n1 = mock_numeric('n1')
- n2 = mock_numeric('n2')
- n1.should_receive(:real?).any_number_of_times.and_return(r1)
- n2.should_receive(:real?).any_number_of_times.and_return(r2)
- -> { Complex.send(@method, n1, n2) }.should.raise(TypeError)
- end
- end
- end
-
- describe "passed Numerics n1 and n2 and both respond to #real? with true" do
- it "returns a Complex with real part n1 and imaginary part n2" do
- n1 = mock_numeric('n1')
- n2 = mock_numeric('n2')
- n1.should_receive(:real?).any_number_of_times.and_return(true)
- n2.should_receive(:real?).any_number_of_times.and_return(true)
- result = Complex.send(@method, n1, n2)
- result.real.should == n1
- result.imag.should == n2
- end
- end
-
- describe "passed a non-Numeric" do
- it "raises TypeError" do
- -> { Complex.send(@method, :sym) }.should.raise(TypeError)
- -> { Complex.send(@method, 0, :sym) }.should.raise(TypeError)
- end
- end
-end
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-06 20:39:47 +0000