diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/bigdecimal/test_bigdecimal_util.rb | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/test/bigdecimal/test_bigdecimal_util.rb b/test/bigdecimal/test_bigdecimal_util.rb index 7c0830e96c..b855fd58a0 100644 --- a/test/bigdecimal/test_bigdecimal_util.rb +++ b/test/bigdecimal/test_bigdecimal_util.rb @@ -17,10 +17,12 @@ class TestBigDecimalUtil < Test::Unit::TestCase end def test_Float_to_d_without_precision - delta = 1.0/10**(Float::DIG) - assert_in_delta(BigDecimal(0.5, Float::DIG), 0.5.to_d, delta) - assert_in_delta(BigDecimal(355.0/113.0, Float::DIG), (355.0/113.0).to_d, delta) - assert_equal(9.05.to_d.to_s('F'), "9.05") + delta = 1.0/10**(Float::DIG+1) + assert_in_delta(BigDecimal(0.5, Float::DIG+1), 0.5.to_d, delta) + assert_in_delta(BigDecimal(355.0/113.0, Float::DIG+1), (355.0/113.0).to_d, delta) + + assert_equal(9.05, 9.05.to_d.to_f) + assert_equal("9.050000000000001", 9.05.to_d.to_s('F')) bug9214 = '[ruby-core:58858]' assert_equal((-0.0).to_d.sign, -1, bug9214) @@ -43,6 +45,12 @@ class TestBigDecimalUtil < Test::Unit::TestCase assert(1.1.to_d(digits).frozen?) end + def test_Float_to_d_bug13331 + assert_equal(64.4.to_d, + 1.to_d * 64.4, + "[ruby-core:80234] [Bug #13331]") + end + def test_Rational_to_d digits = 100 delta = 1.0/10**(digits) |