From b6849b2502e7f9ea93e5c1dc6a27359a6311f140 Mon Sep 17 00:00:00 2001 From: tadf Date: Wed, 17 Jun 2009 12:55:16 +0000 Subject: * bignum.c (rb_big_fdiv): checks whether the given second argument can be converted to float properly. * numeric.c (fix_fdiv): calls rb_big_fdiv when the given second argument is a bignum. * rational.c (nurat_fdiv): should calculate Float(x/y), not Float(x)/Float(y). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23726 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_bignum.rb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'test/ruby/test_bignum.rb') diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb index 29fda85572..b77fd8f683 100644 --- a/test/ruby/test_bignum.rb +++ b/test/ruby/test_bignum.rb @@ -4,6 +4,9 @@ class TestBignum < Test::Unit::TestCase def setup @verbose = $VERBOSE $VERBOSE = nil + @fmax = Float::MAX.to_i + @fmax2 = @fmax * 2 + @big = (1 << 63) - 1 end def teardown @@ -395,4 +398,19 @@ class TestBignum < Test::Unit::TestCase e = assert_raise(RangeError) {(1 << big).to_s} assert_match(/too big to convert/, e.message) end + + def test_fix_fdiv + assert_not_equal(0, 1.fdiv(@fmax2)) + assert_in_delta(0.5, 1.fdiv(@fmax2) * @fmax, 0.01) + end + + def test_big_fdiv + assert_equal(1, @big.fdiv(@big)) + assert_not_equal(0, @big.fdiv(@fmax2)) + assert_not_equal(0, @fmax2.fdiv(@big)) + assert_not_equal(0, @fmax2.fdiv(@fmax2)) + assert_in_delta(0.5, @fmax.fdiv(@fmax2), 0.01) + assert_in_delta(1.0, @fmax2.fdiv(@fmax2), 0.01) + end + end -- cgit v1.2.3