builtins/kernel_complex_parens.rb

tests/_examples/builtins/kernel_complex_parens.rb in the metorex repository.

c = Complex(3, 4)
puts(c.real)
puts(c.imaginary)
puts(c.to_s)
p(c)

puts(Complex(1, 2) == Complex(1, 2))
puts(Complex(5) == 5)
puts(Complex(1, 0) == 1.0)

puts(Complex("20") == Complex(20))
puts(Complex("-3") == Complex(-3))
puts(Complex("2/3") == Complex(Rational(2, 3)))
puts(Complex("4+2.3i") == Complex(4, 2.3))
puts(Complex("35i") == Complex(0, 35))
puts(Complex("i") == Complex(0, 1))
puts(Complex("-i") == Complex(0, -1))
puts(Complex("79-i") == Complex(79, -1))
puts(Complex("79+4J") == Complex(79, 4))
puts(Complex("2e3+2e4i") == Complex(2e3, 2e4))
puts(Complex("7_9+4_0i") == Complex(79, 40))
puts(Complex("  79+4i  ") == Complex(79, 4))

puts(Complex(Complex(3, 4), Complex(5, 6)) == Complex(3 - 6, 4 + 5))
puts(Complex(Complex(1, 2)) == Complex(1, 2))

begin
  Complex("ruby")
rescue ArgumentError => error
  puts error.message
end

begin
  Complex(nil)
rescue TypeError => error
  puts error.message
end

p(Complex("ruby", exception: false))
puts(Complex(1).frozen?)

Output:

3
4
3+4i
(3+4i)
true
true
true
true
true
true
true
true
true
true
true
true
true
true
true
true
true
invalid value for convert(): "ruby"
can't convert nil into Complex
nil
true