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-rw-r--r--test/ruby/test_time.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_time.rb b/test/ruby/test_time.rb
index d3707bf58d..dc706653a1 100644
--- a/test/ruby/test_time.rb
+++ b/test/ruby/test_time.rb
@@ -65,7 +65,9 @@ class TestTime < Test::Unit::TestCase
def test_huge_difference # [ruby-dev:22619]
if negative_time_t?
assert_equal(Time.at(-0x80000000), Time.at(0x7fffffff) - 0xffffffff)
+ assert_equal(Time.at(-0x80000000), Time.at(0x7fffffff) + (-0xffffffff))
assert_equal(Time.at(0x7fffffff), Time.at(-0x80000000) + 0xffffffff)
+ assert_equal(Time.at(0x7fffffff), Time.at(-0x80000000) - (-0xffffffff))
end
end
end