diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/bigdecimal/test_bigdecimal.rb | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index c3899033e3..e9d1d0bdb6 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -595,7 +595,18 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(BigDecimal.new("-Infinity"), BigDecimal.new("-0") ** -1) BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) assert_equal(true, (BigDecimal.new("NaN") ** 1).nan?) - assert_equal(true, (BigDecimal.new("Infinity") ** 1).nan?) # OK? + + assert_equal(BigDecimal::SIGN_POSITIVE_INFINITE, (BigDecimal.new("Infinity") ** 2).sign) + assert_equal(BigDecimal::SIGN_POSITIVE_INFINITE, (BigDecimal.new("Infinity") ** 1).sign) + assert_equal(1, BigDecimal.new("Infinity") ** 0) + assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, (BigDecimal.new("Infinity") ** -1).sign) + assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, (BigDecimal.new("Infinity") ** -2).sign) + + assert_equal(BigDecimal::SIGN_POSITIVE_INFINITE, (BigDecimal.new("-Infinity") ** 2).sign) + assert_equal(BigDecimal::SIGN_NEGATIVE_INFINITE, (BigDecimal.new("-Infinity") ** 1).sign) + assert_equal(1, BigDecimal.new("-Infinity") ** 0) + assert_equal(BigDecimal::SIGN_NEGATIVE_ZERO, (BigDecimal.new("-Infinity") ** -1).sign) + assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, (BigDecimal.new("-Infinity") ** -2).sign) end def test_limit @@ -676,6 +687,10 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(10, BigDecimal.new("1E+1")) assert_equal(1, BigDecimal.new("+1")) BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, false) - assert_equal(0, BigDecimal.new("1E1" + "0" * 100)) # OK? must it be inf? + + assert_equal(BigDecimal::SIGN_POSITIVE_INFINITE, BigDecimal.new("1E1" + "0" * 10000).sign) + assert_equal(BigDecimal::SIGN_NEGATIVE_INFINITE, BigDecimal.new("-1E1" + "0" * 10000).sign) + assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, BigDecimal.new("1E-1" + "0" * 10000).sign) + assert_equal(BigDecimal::SIGN_NEGATIVE_ZERO, BigDecimal.new("-1E-1" + "0" * 10000).sign) end end |