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add test for [ruby-dev:31210].

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-07-13 09:33:17 +00:00
parent 0b0b62e9a4
commit c393603f94
1 changed files with 34 additions and 2 deletions
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36
test/ruby/test_fixnum.rb
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@ -29,8 +29,40 @@ class TestFixnum < Test::Unit::TestCase
assert_equal(0x4000000000000000, 0x3fffffffffffffff.succ, "[ruby-dev:31190]") assert_equal(0x4000000000000000, 0x3fffffffffffffff.succ, "[ruby-dev:31190]")
end end
def test_plus def test_pred
assert_equal(0x4000000000000000, 0x3fffffffffffffff+1) assert_equal(-0x40000001, (-0x40000000).pred)
assert_equal(-0x4000000000000001, (-0x4000000000000000).pred)
end end
def test_plus
assert_equal(0x40000000, 0x3fffffff+1)
assert_equal(0x4000000000000000, 0x3fffffffffffffff+1)
assert_equal(-0x40000001, (-0x40000000)+(-1))
assert_equal(-0x4000000000000001, (-0x4000000000000000)+(-1))
assert_equal(-0x80000000, (-0x40000000)+(-0x40000000))
end
def test_sub
assert_equal(0x40000000, 0x3fffffff-(-1))
assert_equal(0x4000000000000000, 0x3fffffffffffffff-(-1))
assert_equal(-0x40000001, (-0x40000000)-1)
assert_equal(-0x4000000000000001, (-0x4000000000000000)-1)
assert_equal(-0x80000000, (-0x40000000)-0x40000000)
end
def test_mult
assert_equal(0x40000000, 0x20000000*2)
assert_equal(0x4000000000000000, 0x2000000000000000*2)
assert_equal(-0x40000001, 33025*(-32513))
assert_equal(-0x4000000000000001, 1380655685*(-3340214413))
assert_equal(0x40000000, (-0x40000000)*(-1))
end
def test_div
assert_equal(0x40000000, 0xc0000000/3)
assert_equal(0x4000000000000000, 0xc000000000000000/3)
assert_equal(-0x40000001, 0xc0000003/(-3))
assert_equal(-0x4000000000000001, 0xc000000000000003/(-3))
assert_equal(0x40000000, (-0x40000000)/(-1), "[ruby-dev:31210]")
end
end end