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author | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-18 17:03:16 +0000 |
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committer | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-18 17:03:16 +0000 |
commit | 77f3fc305491dab95b02d9d60c5f883f9e5b05df (patch) | |
tree | 49f0968711489a5de54aec13d6d5dc4c09d6ea87 /test/ruby/test_bignum.rb | |
parent | 34b93543fcac01b1342a9eb084a4ef16f86b5a16 (diff) | |
download | ruby-77f3fc305491dab95b02d9d60c5f883f9e5b05df.tar.gz |
* test/ruby/test_array.rb: add some tests (for coverage).
* test/ruby/test_bignum.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_bignum.rb')
-rw-r--r-- | test/ruby/test_bignum.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb index 8c496a36e6..cba935f121 100644 --- a/test/ruby/test_bignum.rb +++ b/test/ruby/test_bignum.rb @@ -175,6 +175,8 @@ class TestBignum < Test::Unit::TestCase def test_to_f assert_nothing_raised { T31P.to_f.to_i } assert_raise(FloatDomainError) { (1024**1024).to_f.to_i } + assert_equal(1, (2**50000).to_f.infinite?) + assert_equal(-1, (-(2**50000)).to_f.infinite?) end def test_cmp @@ -414,4 +416,15 @@ class TestBignum < Test::Unit::TestCase assert_in_delta(1.0, @fmax2.fdiv(@fmax2), 0.01) end + def test_float_fdiv + b = 1E+300.to_i + assert_equal(b, (b ** 2).fdiv(b)) + assert(@big.fdiv(0.0 / 0.0).nan?) + end + + def test_obj_fdiv + o = Object.new + def o.coerce(x); [x, 2**100]; end + assert_equal((2**200).to_f, (2**300).fdiv(o)) + end end |