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# frozen_string_literal: false
require_relative 'helper'
require 'date'
module Psych
class TestDateTime < TestCase
def test_negative_year
time = Time.utc -1, 12, 16
assert_cycle time
end
def test_new_datetime
assert_cycle DateTime.new
end
def test_invalid_date
assert_cycle "2013-10-31T10:40:07-000000000000033"
end
def test_string_tag
dt = DateTime.now
yaml = Psych.dump dt
assert_match(/DateTime/, yaml)
end
def test_round_trip
dt = DateTime.now
assert_cycle dt
end
def test_alias_with_time
t = Time.now
h = {:a => t, :b => t}
yaml = Psych.dump h
assert_match('&', yaml)
assert_match('*', yaml)
end
end
end
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