diff options
Diffstat (limited to 'test/ruby/test_bignum.rb')
-rw-r--r-- | test/ruby/test_bignum.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb index 2c6eda0d8e..012a5624d0 100644 --- a/test/ruby/test_bignum.rb +++ b/test/ruby/test_bignum.rb @@ -268,6 +268,18 @@ class TestBignum < Test::Unit::TestCase assert_equal(2**180, (2**80) * o) end + def test_positive_p + assert_predicate(T_ONE, :positive?) + assert_not_predicate(T_MONE, :positive?) + assert_not_predicate(T_ZERO, :positive?) + end + + def test_negative_p + assert_not_predicate(T_ONE, :negative?) + assert_predicate(T_MONE, :negative?) + assert_not_predicate(T_ZERO, :negative?) + end + def test_mul_balance assert_equal(3**7000, (3**5000) * (3**2000)) end |