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merge revision(s) 23730:

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* numeric.c (flo_cmp): Infinity is greater than any bignum
	  number.  [ruby-dev:38672]

	* bignum.c (rb_big_cmp): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Signed-off-by: URABE, Shyouhei <shyouhei@ruby-lang.org>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@34000 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2011-12-10 12:17:27 +00:00
parent 95a7aabe1e
commit 700acefade
4 changed files with 47 additions and 1 deletions
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27
test/ruby/test_float.rb
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@ -144,4 +144,31 @@ class TestFloat < Test::Unit::TestCase
assert_operator((-4611686018427387905.0).to_i, :<, 0)
assert_operator((-4611686018427387906.0).to_i, :<, 0)
end
def test_cmp
inf = 1.0 / 0.0
nan = inf / inf
assert_equal(0, 1.0 <=> 1.0)
assert_equal(1, 1.0 <=> 0.0)
assert_equal(-1, 1.0 <=> 2.0)
assert_nil(1.0 <=> nil)
assert_nil(1.0 <=> nan)
assert_nil(nan <=> 1.0)
assert_equal(0, 1.0 <=> 1)
assert_equal(1, 1.0 <=> 0)
assert_equal(-1, 1.0 <=> 2)
assert_equal(-1, 1.0 <=> 2**32)
assert_equal(1, inf <=> (Float::MAX.to_i*2))
assert_equal(-1, -inf <=> (-Float::MAX.to_i*2))
assert_equal(-1, (Float::MAX.to_i*2) <=> inf)
assert_equal(1, (-Float::MAX.to_i*2) <=> -inf)
assert_raise(ArgumentError) { 1.0 > nil }
assert_raise(ArgumentError) { 1.0 >= nil }
assert_raise(ArgumentError) { 1.0 < nil }
assert_raise(ArgumentError) { 1.0 <= nil }
end
end