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add a test. [ruby-dev:22619]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2004-03-31 10:40:22 +00:00
parent 9bf44e389e
commit 5c9d45e6e7
1 changed files with 14 additions and 4 deletions
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18
test/ruby/test_time.rb
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@ -24,14 +24,17 @@ class TestTime < Test::Unit::TestCase
-Time.utc(2000, 3, 21, 3, 30), -3*3600)
end
def test_timegm
def negative_time_t?
begin
Time.at(-1)
negative_time_t_supported = true
true
rescue ArgumentError
negative_time_t_supported = false
false
end
if negative_time_t_supported
end
def test_timegm
if negative_time_t?
assert_equal(-0x80000000, Time.utc(1901, 12, 13, 20, 45, 52).tv_sec)
assert_equal(-2, Time.utc(1969, 12, 31, 23, 59, 58).tv_sec)
assert_equal(-1, Time.utc(1969, 12, 31, 23, 59, 59).tv_sec)
@ -58,4 +61,11 @@ class TestTime < Test::Unit::TestCase
assert_equal(946684822, Time.utc(2000, 1, 1, 0, 0, 0).tv_sec)
end
end
def test_huge_difference # [ruby-dev:22619]
if negative_time_t?
assert_equal(Time.at(-0x80000000), Time.at(0x7fffffff) - 0xffffffff)
assert_equal(Time.at(0x7fffffff), Time.at(-0x80000000) + 0xffffffff)
end
end
end