Списъци от символи с %i( foo bar baz )

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Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Тодор Табаков

Обратно към всички решения

Към профила на Тодор Табаков

Резултати

  • 3 точки от тестове
  • 0 бонус точки
  • 3 точки общо
  • 10 успешни тест(а)
  • 14 неуспешни тест(а)

Код

class NumberSet
include Enumerable
attr_accessor :numbers_array
def each(&block)
@numbers_array.each(&block)
end
def initialize
@numbers_array = []
end
def <<(number)
converted_number = number.to_c
unless @numbers_array.include?(converted_number)
@numbers_array << number
end
end
def size
@numbers_array.size
end
def empty?
@numbers_array.empty?
end
def [](filter)
end
end
class Filter
def initialize
@filter_result = yield
end
end
class TypeFilter < NumberSet
def initialize(argument)
@type_filter_result = case arg
when :integer then select { |element| element.is_a? Integer }
when :real then select { |element| element.is_a? Real or
element.is_a? Float }
when :complex then select { |element| element.is_a? Complex }
end
end
end
class SignFilter < NumberSet
def initialize(argument)
@sign_filter_result = case arg
when :positive then select { |element| element > 0 }
when :non_positive then select { |element| element <= 0 }
when :negative then select { |element| element < 0 }
when :non_negative then select { |element| element >= 0 }
end
end
end

Лог от изпълнението

........FFFFFFFFFFFFFF..

Failures:

  1) NumberSet can filter by complex type
     Failure/Error: can_filter [0.3+2i, 3.14, 11], using: TypeFilter.new(:complex),
     NameError:
       undefined local variable or method `arg' for #<TypeFilter:0xb9dde1b8>
     # /tmp/d20141028-18133-1886yr1/solution.rb:41:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:43:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:43:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  2) NumberSet can filter by integer type
     Failure/Error: can_filter [Rational(5, 2), 8.0, 7, Rational(9, 1)], using: TypeFilter.new(:integer),
     NameError:
       undefined local variable or method `arg' for #<TypeFilter:0xb9ddd678>
     # /tmp/d20141028-18133-1886yr1/solution.rb:41:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:49:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:49:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  3) NumberSet can filter by real type
     Failure/Error: can_filter [Rational(5, 2), 8.3, 7], using: TypeFilter.new(:real),
     NameError:
       undefined local variable or method `arg' for #<TypeFilter:0xb9ddcb88>
     # /tmp/d20141028-18133-1886yr1/solution.rb:41:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:55:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:55:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  4) NumberSet can filter by custom filter
     Failure/Error: can_filter [Rational(5, 2), 7.6, 5], using: Filter.new { |number| number > 4 },
     NoMethodError:
       undefined method `>' for nil:NilClass
     # /tmp/d20141028-18133-1886yr1/spec.rb:61:in `block (3 levels) in <top (required)>'
     # /tmp/d20141028-18133-1886yr1/solution.rb:35:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:61:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:61:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  5) NumberSet can filter positive numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:positive),
     NameError:
       undefined local variable or method `arg' for #<SignFilter:0xb9dcf744>
     # /tmp/d20141028-18133-1886yr1/solution.rb:51:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:67:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:67:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  6) NumberSet can filter non-positive numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:non_positive),
     NameError:
       undefined local variable or method `arg' for #<SignFilter:0xb9dcec68>
     # /tmp/d20141028-18133-1886yr1/solution.rb:51:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:73:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:73:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  7) NumberSet can filter negative numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:negative),
     NameError:
       undefined local variable or method `arg' for #<SignFilter:0xb9dce1b4>
     # /tmp/d20141028-18133-1886yr1/solution.rb:51:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:79:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:79:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  8) NumberSet can filter non-negative numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:non_negative),
     NameError:
       undefined local variable or method `arg' for #<SignFilter:0xb9dcd610>
     # /tmp/d20141028-18133-1886yr1/solution.rb:51:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:85:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:85:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  9) NumberSet can combine two filters with "and" rule
     Failure/Error: filter = SignFilter.new(:non_negative) & Filter.new { |number| number != 0 }
     NameError:
       undefined local variable or method `arg' for #<SignFilter:0xb9dcc9cc>
     # /tmp/d20141028-18133-1886yr1/solution.rb:51:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:91:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:91:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  10) NumberSet can combine two filters with "or" rule
     Failure/Error: filter = Filter.new { |number| number % 2 == 0 } | Filter.new { |number| number > 5 }
     NoMethodError:
       undefined method `%' for nil:NilClass
     # /tmp/d20141028-18133-1886yr1/spec.rb:98:in `block (3 levels) in <top (required)>'
     # /tmp/d20141028-18133-1886yr1/solution.rb:35:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:98:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:98:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  11) NumberSet can combine multiple filters with "and" rule
     Failure/Error: non_negative  = SignFilter.new(:non_negative)
     NameError:
       undefined local variable or method `arg' for #<SignFilter:0xb9e32a88>
     # /tmp/d20141028-18133-1886yr1/solution.rb:51:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:105:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:105:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  12) NumberSet can combine multiple filters with "or" rule
     Failure/Error: even          = Filter.new(&:even?)
     ArgumentError:
       no receiver given
     # /tmp/d20141028-18133-1886yr1/solution.rb:35:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:115:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:115:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  13) NumberSet can combine multiple filters with "and" and "or" rules
     Failure/Error: even          = Filter.new(&:even?)
     ArgumentError:
       no receiver given
     # /tmp/d20141028-18133-1886yr1/solution.rb:35:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:125:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:125:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  14) NumberSet can combine multiple filters with "and", "or" and parenthesis
     Failure/Error: even          = Filter.new(&:even?)
     ArgumentError:
       no receiver given
     # /tmp/d20141028-18133-1886yr1/solution.rb:35:in `initialize'
     # /tmp/d20141028-18133-1886yr1/spec.rb:135:in `new'
     # /tmp/d20141028-18133-1886yr1/spec.rb:135:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

Finished in 0.02048 seconds
24 examples, 14 failures

Failed examples:

rspec /tmp/d20141028-18133-1886yr1/spec.rb:42 # NumberSet can filter by complex type
rspec /tmp/d20141028-18133-1886yr1/spec.rb:48 # NumberSet can filter by integer type
rspec /tmp/d20141028-18133-1886yr1/spec.rb:54 # NumberSet can filter by real type
rspec /tmp/d20141028-18133-1886yr1/spec.rb:60 # NumberSet can filter by custom filter
rspec /tmp/d20141028-18133-1886yr1/spec.rb:66 # NumberSet can filter positive numbers
rspec /tmp/d20141028-18133-1886yr1/spec.rb:72 # NumberSet can filter non-positive numbers
rspec /tmp/d20141028-18133-1886yr1/spec.rb:78 # NumberSet can filter negative numbers
rspec /tmp/d20141028-18133-1886yr1/spec.rb:84 # NumberSet can filter non-negative numbers
rspec /tmp/d20141028-18133-1886yr1/spec.rb:90 # NumberSet can combine two filters with "and" rule
rspec /tmp/d20141028-18133-1886yr1/spec.rb:97 # NumberSet can combine two filters with "or" rule
rspec /tmp/d20141028-18133-1886yr1/spec.rb:104 # NumberSet can combine multiple filters with "and" rule
rspec /tmp/d20141028-18133-1886yr1/spec.rb:114 # NumberSet can combine multiple filters with "or" rule
rspec /tmp/d20141028-18133-1886yr1/spec.rb:124 # NumberSet can combine multiple filters with "and" and "or" rules
rspec /tmp/d20141028-18133-1886yr1/spec.rb:134 # NumberSet can combine multiple filters with "and", "or" and parenthesis

История (1 версия и 0 коментара)

Тодор обнови решението на 27.10.2014 16:16 (преди около 10 години)

+class NumberSet
+ include Enumerable
+
+ attr_accessor :numbers_array
+
+ def each(&block)
+ @numbers_array.each(&block)
+ end
+
+ def initialize
+ @numbers_array = []
+ end
+
+ def <<(number)
+ converted_number = number.to_c
+ unless @numbers_array.include?(converted_number)
+ @numbers_array << number
+ end
+ end
+
+ def size
+ @numbers_array.size
+ end
+
+ def empty?
+ @numbers_array.empty?
+ end
+
+ def [](filter)
+ end
+ end
+
+class Filter
+ def initialize
+ @filter_result = yield
+ end
+end
+
+class TypeFilter < NumberSet
+ def initialize(argument)
+ @type_filter_result = case arg
+ when :integer then select { |element| element.is_a? Integer }
+ when :real then select { |element| element.is_a? Real or
+ element.is_a? Float }
+ when :complex then select { |element| element.is_a? Complex }
+ end
+end
+end
+class SignFilter < NumberSet
+ def initialize(argument)
+ @sign_filter_result = case arg
+ when :positive then select { |element| element > 0 }
+ when :non_positive then select { |element| element <= 0 }
+ when :negative then select { |element| element < 0 }
+ when :non_negative then select { |element| element >= 0 }
+ end
+ end
+end