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require 'test/unit'
class TestTime < Test::Unit::TestCase
def test_time_add()
assert_equal(Time.utc(2000, 3, 21, 3, 30) + 3 * 3600,
Time.utc(2000, 3, 21, 6, 30))
assert_equal(Time.utc(2000, 3, 21, 3, 30) + (-3 * 3600),
Time.utc(2000, 3, 21, 0, 30))
assert_equal(0, (Time.at(1.1) + 0.9).usec)
end
def test_time_subt()
assert_equal(Time.utc(2000, 3, 21, 3, 30) - 3 * 3600,
Time.utc(2000, 3, 21, 0, 30))
assert_equal(Time.utc(2000, 3, 21, 3, 30) - (-3 * 3600),
Time.utc(2000, 3, 21, 6, 30))
assert_equal(900000, (Time.at(1.1) - 0.2).usec)
end
def test_time_time()
assert_equal(Time.utc(2000, 3, 21, 3, 30) \
-Time.utc(2000, 3, 21, 0, 30), 3*3600)
assert_equal(Time.utc(2000, 3, 21, 0, 30) \
-Time.utc(2000, 3, 21, 3, 30), -3*3600)
end
def test_negative
begin
Time.at(-1)
rescue ArgumentError
return
end
assert_equal(-1, Time.utc(1969, 12, 31, 23, 59, 59).tv_sec)
assert_equal(-2, Time.utc(1969, 12, 31, 23, 59, 58).tv_sec)
end
end
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