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require 'abstract_unit'
require 'active_support/core_ext/object/inclusion'
class InTest < ActiveSupport::TestCase
def test_in_array
assert 1.in?([1,2])
assert !3.in?([1,2])
end
def test_in_hash
h = { "a" => 100, "b" => 200 }
assert "a".in?(h)
assert !"z".in?(h)
end
def test_in_string
assert "lo".in?("hello")
assert !"ol".in?("hello")
assert ?h.in?("hello")
end
def test_in_range
assert 25.in?(1..50)
assert !75.in?(1..50)
end
def test_in_set
s = Set.new([1,2])
assert 1.in?(s)
assert !3.in?(s)
end
module A
end
class B
include A
end
class C < B
end
def test_in_module
assert A.in?(B)
assert A.in?(C)
assert !A.in?(A)
end
def test_no_method_catching
assert_raise(ArgumentError) { 1.in?(1) }
end
def test_presence_in
assert_equal "stuff", "stuff".presence_in(%w( lots of stuff ))
assert_nil "stuff".presence_in(%w( lots of crap ))
end
end
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