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Diffstat (limited to 'test/t/float.rb')
| -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 a76dbf39b..e4c25b34e 100644 --- a/test/t/float.rb +++ b/test/t/float.rb @@ -303,4 +303,16 @@ assert('Float#eql?') do assert_not_operator(5.0, :eql?, "5.0") end +assert('Float#abs') do + f = 1.0 + assert_equal(1.0, f.abs) + f = -1.0 + assert_equal(1.0, f.abs) + f = 0.0 + assert_equal(0.0, f.abs) + # abs(negative zero) should be positive zero + f = -0.0 + assert_equal(0.0, f.abs) +end + end # const_defined?(:Float) |