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# frozen_string_literal: true
require 'test/unit'
require 'date'
class TestDateMarshal < Test::Unit::TestCase
def test_marshal
d = Date.new
m = Marshal.dump(d)
d2 = Marshal.load(m)
assert_equal(d, d2)
assert_equal(d.start, d2.start)
assert_instance_of(String, d2.to_s)
d = Date.today
m = Marshal.dump(d)
d2 = Marshal.load(m)
assert_equal(d, d2)
assert_equal(d.start, d2.start)
assert_instance_of(String, d2.to_s)
d = DateTime.now
m = Marshal.dump(d)
d2 = Marshal.load(m)
assert_equal(d, d2)
assert_equal(d.start, d2.start)
assert_instance_of(String, d2.to_s)
d = Date.today
a = d.marshal_dump
d.freeze
assert(d.frozen?)
expected_error = defined?(FrozenError) ? FrozenError : RuntimeError
assert_raise(expected_error){d.marshal_load(a)}
d = DateTime.now
a = d.marshal_dump
d.freeze
assert(d.frozen?)
expected_error = defined?(FrozenError) ? FrozenError : RuntimeError
assert_raise(expected_error){d.marshal_load(a)}
d = Date.new + 1/2r + 2304/65437r/86400
m = Marshal.dump(d)
d2 = Marshal.load(m)
assert_equal(d, d2)
assert_equal(d.start, d2.start)
assert_instance_of(String, d2.to_s)
end
def test_memsize
require 'objspace'
t = DateTime.new(2018, 11, 13)
size = ObjectSpace.memsize_of(t)
t2 = Marshal.load(Marshal.dump(t))
assert_equal(t, t2)
assert_equal(size, ObjectSpace.memsize_of(t2), "not reallocated but memsize changed")
end
end
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