diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/t/float.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/t/float.rb b/test/t/float.rb index c817e01da..ded434320 100644 --- a/test/t/float.rb +++ b/test/t/float.rb @@ -130,6 +130,18 @@ assert('Float#round', '15.2.9.3.12') do assert_equal( 3, g) assert_float( 3.4, h) assert_float(3.423, i) + + assert_equal(42.0, 42.0.round(307)) + assert_equal(1.0e307, 1.0e307.round(2)) + + inf = 1.0/0.0 + assert_raise(FloatDomainError){ inf.round } + assert_raise(FloatDomainError){ inf.round(-1) } + assert_equal(inf, inf.round(1)) + nan = 0.0/0.0 + assert_raise(FloatDomainError){ nan.round } + assert_raise(FloatDomainError){ nan.round(-1) } + assert_true(nan.round(1).nan?) end assert('Float#to_f', '15.2.9.3.13') do |