require "abstract_unit"
require "bigdecimal"
require "active_support/core_ext/object/duplicable"
require "active_support/core_ext/numeric/time"
class DuplicableTest < ActiveSupport::TestCase
if RUBY_VERSION >= "2.5.0"
RAISE_DUP = [method(:puts)]
ALLOW_DUP = ["1", "symbol_from_string".to_sym, Object.new, /foo/, [], {}, Time.now, Class.new, Module.new, BigDecimal.new("4.56"), nil, false, true, 1, 2.3, Complex(1), Rational(1)]
elsif RUBY_VERSION >= "2.4.1"
RAISE_DUP = [method(:puts), Complex(1), Rational(1)]
ALLOW_DUP = ["1", "symbol_from_string".to_sym, Object.new, /foo/, [], {}, Time.now, Class.new, Module.new, BigDecimal.new("4.56"), nil, false, true, 1, 2.3]
elsif RUBY_VERSION >= "2.4.0" # Due to 2.4.0 bug. This elsif cannot be removed unless we drop 2.4.0 support...
RAISE_DUP = [method(:puts), Complex(1), Rational(1), "symbol_from_string".to_sym]
ALLOW_DUP = ["1", Object.new, /foo/, [], {}, Time.now, Class.new, Module.new, BigDecimal.new("4.56"), nil, false, true, 1, 2.3]
else
RAISE_DUP = [nil, false, true, :symbol, 1, 2.3, method(:puts), Complex(1), Rational(1)]
ALLOW_DUP = ["1", Object.new, /foo/, [], {}, Time.now, Class.new, Module.new, BigDecimal.new("4.56")]
end
def test_duplicable
rubinius_skip "* Method#dup is allowed at the moment on Rubinius\n" \
"* https://github.com/rubinius/rubinius/issues/3089"
RAISE_DUP.each do |v|
assert !v.duplicable?, "#{ v.inspect } should not be duplicable"
assert_raises(TypeError, v.class.name) { v.dup }
end
ALLOW_DUP.each do |v|
assert v.duplicable?, "#{ v.class } should be duplicable"
assert_nothing_raised { v.dup }
end
end
end