diff options
Diffstat (limited to 'jni/ruby/test/ruby/test_fixnum.rb')
-rw-r--r-- | jni/ruby/test/ruby/test_fixnum.rb | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/jni/ruby/test/ruby/test_fixnum.rb b/jni/ruby/test/ruby/test_fixnum.rb new file mode 100644 index 0000000..8b2cf2e --- /dev/null +++ b/jni/ruby/test/ruby/test_fixnum.rb @@ -0,0 +1,315 @@ +require 'test/unit' + +class TestFixnum < Test::Unit::TestCase + def setup + @verbose = $VERBOSE + $VERBOSE = nil + end + + def teardown + $VERBOSE = @verbose + end + + def test_pow + [1, 2, 2**64, 2**63*3, 2**64*3].each do |y| + [-1, 0, 1].each do |x| + z1 = x**y + z2 = (-x)**y + if y % 2 == 1 + assert_equal(z2, -z1) + else + assert_equal(z2, z1) + end + end + end + end + + def test_succ + assert_equal(0x40000000, 0x3fffffff.succ, "[ruby-dev:31189]") + assert_equal(0x4000000000000000, 0x3fffffffffffffff.succ, "[ruby-dev:31190]") + end + + def test_pred + assert_equal(-0x40000001, (-0x40000000).pred) + assert_equal(-0x4000000000000001, (-0x4000000000000000).pred) + end + + def test_plus + assert_equal(0x40000000, 0x3fffffff+1) + assert_equal(0x4000000000000000, 0x3fffffffffffffff+1) + assert_equal(-0x40000001, (-0x40000000)+(-1)) + assert_equal(-0x4000000000000001, (-0x4000000000000000)+(-1)) + assert_equal(-0x80000000, (-0x40000000)+(-0x40000000)) + end + + def test_sub + assert_equal(0x40000000, 0x3fffffff-(-1)) + assert_equal(0x4000000000000000, 0x3fffffffffffffff-(-1)) + assert_equal(-0x40000001, (-0x40000000)-1) + assert_equal(-0x4000000000000001, (-0x4000000000000000)-1) + assert_equal(-0x80000000, (-0x40000000)-0x40000000) + end + + def test_mult + assert_equal(0x40000000, 0x20000000*2) + assert_equal(0x4000000000000000, 0x2000000000000000*2) + assert_equal(-0x40000001, 33025*(-32513)) + assert_equal(-0x4000000000000001, 1380655685*(-3340214413)) + assert_equal(0x40000000, (-0x40000000)*(-1)) + end + + def test_div + assert_equal(2, 5/2) + assert_equal(0, 1/2) + assert_equal(-1, -1/2) + assert_equal(0, -(1/2)) + assert_equal(-1, (-1)/2) + assert_equal(0, (-1)/(-2)) + assert_equal(-1, 1/(-2)) + assert_equal(1, -(1/(-2))) + assert_equal(0x3fffffff, 0xbffffffd/3) + assert_equal(0x40000000, 0xc0000000/3) + assert_equal(0x4000000000000000, 0xc000000000000000/3) + assert_equal(-0x40000001, 0xc0000003/(-3)) + assert_equal(-0x4000000000000001, 0xc000000000000003/(-3)) + assert_equal(0x40000000, (-0x40000000)/(-1), "[ruby-dev:31210]") + assert_equal(0x4000000000000000, (-0x4000000000000000)/(-1)) + assert_raise(FloatDomainError) { 2.div(Float::NAN).nan? } + end + + def test_mod + assert_equal(2, (-0x40000000) % 3) + assert_equal(0, (-0x40000000) % (-1)) + end + + def test_divmod + (-5).upto(5) {|a| + (-5).upto(5) {|b| + next if b == 0 + q, r = a.divmod(b) + assert_equal(a, b*q+r) + assert_operator(r.abs, :<, b.abs) + if 0 < b + assert_operator(r, :>=, 0) + assert_operator(r, :<, b) + else + assert_operator(r, :>, b) + assert_operator(r, :<=, 0) + end + assert_equal(q, a/b) + assert_equal(q, a.div(b)) + assert_equal(r, a%b) + assert_equal(r, a.modulo(b)) + } + } + assert_raise(FloatDomainError) { 2.divmod(Float::NAN) } + end + + def test_not + assert_equal(-0x40000000, ~0x3fffffff) + assert_equal(0x3fffffff, ~-0x40000000) + end + + def test_lshift + assert_equal(0x40000000, 0x20000000 << 1) + assert_equal(-0x40000000, (-0x20000000) << 1) + assert_equal(-0x80000000, (-0x40000000) << 1) + end + + def test_rshift + assert_equal(0x20000000, 0x40000000 >> 1) + assert_equal(-0x20000000, (-0x40000000) >> 1) + assert_equal(-0x40000000, (-0x80000000) >> 1) + end + + def test_abs + assert_equal(0x40000000, (-0x40000000).abs) + assert_equal(0x4000000000000000, (-0x4000000000000000).abs) + end + + def test_to_s + assert_equal("1010", 10.to_s(2)) + assert_equal("a", 10.to_s(36)) + assert_raise(ArgumentError) { 10.to_s(1) } + end + + def test_plus2 + assert_equal(2, 1 + 1) + assert_equal(4294967297, 1 + 2**32) + assert_equal(2.0, 1 + 1.0) + assert_raise(TypeError) { 1 + nil } + end + + def test_minus + assert_equal(0, 1 - 1) + assert_equal(-4294967295, 1 - 2**32) + assert_equal(0.0, 1 - 1.0) + assert_raise(TypeError) { 1 - nil } + end + + def test_mul + assert_equal(6, 2.send(:*, 3)) + a = 2**30-1 + assert_equal(1152921502459363329, a.send(:*, a)) + + assert_equal(6.0, 2 * 3.0) + assert_raise(TypeError) { 2 * nil } + end + + def test_divide + assert_equal(2.0, 4.quo(2)) + assert_equal(2.0, 4 / 2) + assert_equal(2.0, 4.div(2)) + + assert_equal(0.5**32, 1.quo(2**32)) + assert_equal(0, 1 / (2**32)) + assert_equal(0, 1.div(2**32)) + + assert_kind_of(Float, 1.quo(2.0)) + assert_equal(0.5, 1.quo(2.0)) + assert_equal(0.5, 1 / 2.0) + assert_equal(0, 1.div(2.0)) + + ### rational changes the behavior of Fixnum#quo + #assert_raise(TypeError) { 2.quo(nil) } + assert_raise(TypeError, NoMethodError) { 2.quo(nil) } + assert_raise(TypeError) { 2 / nil } + assert_raise(TypeError) { 2.div(nil) } + + assert_equal(0, 4.modulo(2)) + assert_equal(1, 1.modulo(2**32)) + assert_equal(1, 1.modulo(2.0)) + assert_raise(TypeError) { 2.modulo(nil) } + + assert_equal([2, 0], 4.divmod(2)) + assert_equal([0, 1], 1.divmod(2**32)) + assert_equal([0, 1], 1.divmod(2.0)) + assert_raise(TypeError) { 2.divmod(nil) } + end + + def test_pow2 + assert_equal(65536, 2**16) + assert_equal(4294967296, 2**32) + assert_equal(0.5**16, 2**-16) + assert_equal(1, (-1)**4294967296) + assert_equal(-1, (-1)**4294967295) + assert_equal(4, 2**((2**32).coerce(2).first)) + assert_equal(2, 4**0.5) + assert_equal(0, 0**0.5) + assert_equal(1, (0**-1.0).infinite?) + ### rational changes the behavior of Fixnum#** + #assert_raise(TypeError) { 1 ** nil } + assert_raise(TypeError, NoMethodError) { 1 ** nil } + end + + def test_cmp + assert_operator(1, :!=, nil) + + assert_equal(0, 1 <=> 1) + assert_equal(-1, 1 <=> 4294967296) + assert_equal(0, 1 <=> 1.0) + assert_nil(1 <=> nil) + + assert_operator(1, :>, 0) + assert_not_operator(1, :>, 1) + assert_not_operator(1, :>, 2) + assert_not_operator(1, :>, 4294967296) + assert_operator(1, :>, 0.0) + assert_raise(ArgumentError) { 1 > nil } + + assert_operator(1, :>=, 0) + assert_operator(1, :>=, 1) + assert_not_operator(1, :>=, 2) + assert_not_operator(1, :>=, 4294967296) + assert_operator(1, :>=, 0.0) + assert_raise(ArgumentError) { 1 >= nil } + + assert_not_operator(1, :<, 0) + assert_not_operator(1, :<, 1) + assert_operator(1, :<, 2) + assert_operator(1, :<, 4294967296) + assert_not_operator(1, :<, 0.0) + assert_raise(ArgumentError) { 1 < nil } + + assert_not_operator(1, :<=, 0) + assert_operator(1, :<=, 1) + assert_operator(1, :<=, 2) + assert_operator(1, :<=, 4294967296) + assert_not_operator(1, :<=, 0.0) + assert_raise(ArgumentError) { 1 <= nil } + end + + class DummyNumeric < Numeric + def to_int + 1 + end + end + + def test_and_with_float + assert_raise(TypeError) { 1 & 1.5 } + end + + def test_and_with_rational + assert_raise(TypeError, "#1792") { 1 & Rational(3, 2) } + end + + def test_and_with_nonintegral_numeric + assert_raise(TypeError, "#1792") { 1 & DummyNumeric.new } + end + + def test_or_with_float + assert_raise(TypeError) { 1 | 1.5 } + end + + def test_or_with_rational + assert_raise(TypeError, "#1792") { 1 | Rational(3, 2) } + end + + def test_or_with_nonintegral_numeric + assert_raise(TypeError, "#1792") { 1 | DummyNumeric.new } + end + + def test_xor_with_float + assert_raise(TypeError) { 1 ^ 1.5 } + end + + def test_xor_with_rational + assert_raise(TypeError, "#1792") { 1 ^ Rational(3, 2) } + end + + def test_xor_with_nonintegral_numeric + assert_raise(TypeError, "#1792") { 1 ^ DummyNumeric.new } + end + + def test_singleton_method + assert_raise(TypeError) { a = 1; def a.foo; end } + end + + def test_frozen + assert_equal(true, 1.frozen?) + end + + def assert_eql(a, b, mess) + assert a.eql?(b), "expected #{a} & #{b} to be eql? #{mess}" + end + + def test_power_of_1_and_minus_1 + bug5715 = '[ruby-core:41498]' + big = 1 << 66 + assert_eql 1, 1 ** -big , bug5715 + assert_eql 1, (-1) ** -big , bug5715 + assert_eql -1, (-1) ** -(big+1) , bug5715 + end + + def test_power_of_0 + bug5713 = '[ruby-core:41494]' + big = 1 << 66 + assert_raise(ZeroDivisionError, bug5713) { 0 ** -big } + assert_raise(ZeroDivisionError, bug5713) { 0 ** Rational(-2,3) } + end + + def test_remainder + assert_equal(1, 5.remainder(4)) + assert_predicate(4.remainder(Float::NAN), :nan?) + end +end |