diff options
Diffstat (limited to 'test/ruby/test_float.rb')
| -rw-r--r-- | test/ruby/test_float.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb index 4be2cfeeda..9f522c32bf 100644 --- a/test/ruby/test_float.rb +++ b/test/ruby/test_float.rb @@ -141,6 +141,9 @@ class TestFloat < Test::Unit::TestCase assert_raise(ArgumentError){Float("1__1")} assert_raise(ArgumentError){Float("1.")} assert_raise(ArgumentError){Float("1.e+00")} + assert_raise(ArgumentError){Float("0x.1")} + assert_raise(ArgumentError){Float("0x1.")} + assert_raise(ArgumentError){Float("0x1.0")} assert_raise(ArgumentError){Float("0x1.p+0")} # add expected behaviour here. assert_equal(10, Float("1_0")) @@ -171,6 +174,24 @@ class TestFloat < Test::Unit::TestCase assert_raise(ArgumentError, n += z + "A") {Float(n)} assert_raise(ArgumentError, n += z + ".0") {Float(n)} end + + x = nil + 2000.times do + x = Float("0x"+"0"*30) + break unless x == 0.0 + end + assert_equal(0.0, x, ->{"%a" % x}) + x = nil + 2000.times do + begin + x = Float("0x1."+"0"*270) + rescue ArgumentError => e + raise unless /"0x1\.0{270}"/ =~ e.message + else + break + end + end + assert_nil(x, ->{"%a" % x}) end def test_divmod @@ -206,6 +227,12 @@ class TestFloat < Test::Unit::TestCase assert_equal(-3.5, (-11.5).remainder(-4)) assert_predicate(Float::NAN.remainder(4), :nan?) assert_predicate(4.remainder(Float::NAN), :nan?) + + ten = Object.new + def ten.coerce(other) + [other, 10] + end + assert_equal(4, 14.0.remainder(ten)) end def test_to_s @@ -465,6 +492,17 @@ class TestFloat < Test::Unit::TestCase assert_equal(-1.26, -1.255.round(2)) end + def test_round_half_even_with_precision + assert_equal(767573.18759, 767573.1875850001.round(5, half: :even)) + assert_equal(767573.18758, 767573.187585.round(5, half: :even)) + assert_equal(767573.18758, 767573.1875849998.round(5, half: :even)) + assert_equal(767573.18758, 767573.187575.round(5, half: :even)) + assert_equal(-767573.18759, -767573.1875850001.round(5, half: :even)) + assert_equal(-767573.18758, -767573.187585.round(5, half: :even)) + assert_equal(-767573.18758, -767573.1875849998.round(5, half: :even)) + assert_equal(-767573.18758, -767573.187575.round(5, half: :even)) + end + def test_floor_with_precision assert_equal(+0.0, +0.001.floor(1)) assert_equal(-0.1, -0.001.floor(1)) @@ -492,6 +530,10 @@ class TestFloat < Test::Unit::TestCase assert_raise(TypeError) {1.0.floor(nil)} def (prec = Object.new).to_int; 2; end assert_equal(0.99, 0.998.floor(prec)) + + assert_equal(-10000000000, -1.0.floor(-10), "[Bug #20654]") + assert_equal(-100000000000000000000, -1.0.floor(-20), "[Bug #20654]") + assert_equal(-100000000000000000000000000000000000000000000000000, -1.0.floor(-50), "[Bug #20654]") end def test_ceil_with_precision @@ -519,6 +561,10 @@ class TestFloat < Test::Unit::TestCase assert_raise(TypeError) {1.0.ceil(nil)} def (prec = Object.new).to_int; 2; end assert_equal(0.99, 0.981.ceil(prec)) + + assert_equal(10000000000, 1.0.ceil(-10), "[Bug #20654]") + assert_equal(100000000000000000000, 1.0.ceil(-20), "[Bug #20654]") + assert_equal(100000000000000000000000000000000000000000000000000, 1.0.ceil(-50), "[Bug #20654]") end def test_truncate_with_precision @@ -804,6 +850,14 @@ class TestFloat < Test::Unit::TestCase o = Object.new def o.to_f; inf = Float::INFINITY; inf/inf; end assert_predicate(Float(o), :nan?) + + assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-16be"))} + assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-16le"))} + assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-32be"))} + assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-32le"))} + assert_raise(Encoding::CompatibilityError) {Float("0".encode("iso-2022-jp"))} + + assert_raise_with_message(ArgumentError, /\u{1f4a1}/) {Float("\u{1f4a1}")} end def test_invalid_str |