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033c4a083d
* test/lib/envutil.rb: rbconfig/sizeof may not be available when cross-compiling. use RbConfig::Limits instead of calculating limits of Fixnum with hard-coded CHAR_BIT. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57757 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
792 lines
26 KiB
Ruby
792 lines
26 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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begin
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require '-test-/integer'
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rescue LoadError
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else
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class TestBignum < Test::Unit::TestCase
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FIXNUM_MIN = RbConfig::Limits['FIXNUM_MIN']
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FIXNUM_MAX = RbConfig::Limits['FIXNUM_MAX']
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BIGNUM_MIN = FIXNUM_MAX + 1
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b = BIGNUM_MIN
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f = BIGNUM_MIN
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n = 0
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until f == 0
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f >>= 1
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n += 1
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end
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BIGNUM_MIN_BITS = n
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T_ZERO = 0.to_bignum
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T_ONE = 1.to_bignum
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T_MONE = (-1).to_bignum
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T31 = (2**31).to_bignum # 2147483648
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T31P = (T31 - 1).to_bignum # 2147483647
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T32 = (2**32).to_bignum # 4294967296
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T32P = (T32 - 1).to_bignum # 4294967295
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T64 = (2**64).to_bignum # 18446744073709551616
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T64P = (T64 - 1).to_bignum # 18446744073709551615
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T128 = (2**128).to_bignum
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T128P = (T128 - 1).to_bignum
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T1024 = (2**1024).to_bignum
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T1024P = (T1024 - 1).to_bignum
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def setup
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@verbose = $VERBOSE
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$VERBOSE = nil
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@fmax = Float::MAX.to_i
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@fmax2 = @fmax * 2
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@big = (1 << BIGNUM_MIN_BITS) - 1
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end
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def teardown
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$VERBOSE = @verbose
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end
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def fact(n)
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return 1 if n == 0
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f = 1
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while n>0
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f *= n
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n -= 1
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end
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return f
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end
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def test_prepare
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assert_bignum(@big)
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assert_bignum(T_ZERO)
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assert_bignum(T_ONE)
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assert_bignum(T_MONE)
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assert_bignum(T31)
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assert_bignum(T31P)
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assert_bignum(T32)
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assert_bignum(T32P)
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assert_bignum(T64)
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assert_bignum(T64P)
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assert_bignum(T1024)
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assert_bignum(T1024P)
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end
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def test_bignum
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$x = fact(40)
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assert_equal($x, $x)
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assert_equal($x, fact(40))
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assert_operator($x, :<, $x+2)
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assert_operator($x, :>, $x-2)
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assert_equal(815915283247897734345611269596115894272000000000, $x)
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assert_not_equal(815915283247897734345611269596115894272000000001, $x)
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assert_equal(815915283247897734345611269596115894272000000001, $x+1)
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assert_equal(335367096786357081410764800000, $x/fact(20))
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$x = -$x
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assert_equal(-815915283247897734345611269596115894272000000000, $x)
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b = 2*BIGNUM_MIN
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assert_equal(2-b, -(b-2))
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assert_equal(b - 5, (b-3)-2)
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for i in 1000..1014
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assert_equal(2 ** i, 1 << i)
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end
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n1 = 1 << 1000
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for i in 1000..1014
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assert_equal(n1, 1 << i)
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n1 *= 2
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end
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n2=n1
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for i in 1..10
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n1 = n1 / 2
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n2 = n2 >> 1
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assert_equal(n1, n2)
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end
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for i in 4000..4096
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n1 = 1 << i;
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assert_equal(n1-1, (n1**2-1) / (n1+1))
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end
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end
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def test_calc
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b = 10**80
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a = b * 9 + 7
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assert_equal(7, a.modulo(b))
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assert_equal(-b + 7, a.modulo(-b))
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assert_equal(b + -7, (-a).modulo(b))
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assert_equal(-7, (-a).modulo(-b))
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assert_equal(7, a.remainder(b))
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assert_equal(7, a.remainder(-b))
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assert_equal(-7, (-a).remainder(b))
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assert_equal(-7, (-a).remainder(-b))
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assert_equal(10000000000000000000100000000000000000000, 10**40+10**20)
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assert_equal(100000000000000000000, 10**40/10**20)
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a = 677330545177305025495135714080
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b = 14269972710765292560
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assert_equal(0, a % b)
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assert_equal(0, -a % b)
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end
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def shift_test(a)
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b = a / (2 ** 32)
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c = a >> 32
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assert_equal(b, c)
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b = a * (2 ** 32)
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c = a << 32
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assert_equal(b, c)
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end
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def test_shift
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shift_test(-4518325415524767873)
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shift_test(-0xfffffffffffffffff)
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end
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def test_to_s
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assert_equal("fvvvvvvvvvvvv" ,18446744073709551615.to_s(32), "[ruby-core:10686]")
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assert_equal("g000000000000" ,18446744073709551616.to_s(32), "[ruby-core:10686]")
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assert_equal("3w5e11264sgsf" ,18446744073709551615.to_s(36), "[ruby-core:10686]")
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assert_equal("3w5e11264sgsg" ,18446744073709551616.to_s(36), "[ruby-core:10686]")
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assert_equal("nd075ib45k86f" ,18446744073709551615.to_s(31), "[ruby-core:10686]")
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assert_equal("nd075ib45k86g" ,18446744073709551616.to_s(31), "[ruby-core:10686]")
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assert_equal("1777777777777777777777" ,18446744073709551615.to_s(8))
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assert_equal("-1777777777777777777777" ,-18446744073709551615.to_s(8))
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assert_match(/\A10{99}1\z/, (10**100+1).to_s)
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assert_match(/\A10{900}9{100}\z/, (10**1000+(10**100-1)).to_s)
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end
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def test_big_2comp
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assert_equal("-4294967296", (~T32P).to_s)
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assert_equal("..f00000000", "%x" % -T32)
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end
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def test_int2inum
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assert_equal([T31P], [T31P].pack("I").unpack("I"))
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assert_equal([T31P], [T31P].pack("i").unpack("i"))
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end
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def test_quad_pack
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assert_equal([ 1], [ 1].pack("q").unpack("q"))
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assert_equal([- 1], [- 1].pack("q").unpack("q"))
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assert_equal([ T31P], [ T31P].pack("q").unpack("q"))
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assert_equal([-T31P], [-T31P].pack("q").unpack("q"))
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assert_equal([ T64P], [ T64P].pack("Q").unpack("Q"))
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assert_equal([ 0], [ T64 ].pack("Q").unpack("Q"))
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end
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def test_str_to_inum
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assert_equal(1, " +1".to_i)
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assert_equal(-1, " -1".to_i)
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assert_equal(0, "++1".to_i)
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assert_equal(73, "111".oct)
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assert_equal(273, "0x111".oct)
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assert_equal(7, "0b111".oct)
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assert_equal(73, "0o111".oct)
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assert_equal(111, "0d111".oct)
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assert_equal(73, "0111".oct)
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assert_equal(111, Integer("111"))
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assert_equal(13, "111".to_i(3))
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assert_raise(ArgumentError) { "111".to_i(37) }
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assert_equal(1333, "111".to_i(36))
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assert_equal(1057, "111".to_i(32))
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assert_equal(0, "00a".to_i)
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assert_equal(1, Integer("1 "))
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assert_raise(ArgumentError) { Integer("1_") }
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assert_raise(ArgumentError) { Integer("1__") }
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assert_raise(ArgumentError) { Integer("1_0 x") }
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assert_equal(T31P, "1111111111111111111111111111111".to_i(2))
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assert_equal(0_2, '0_2'.to_i)
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assert_equal(00_2, '00_2'.to_i)
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assert_equal(00_02, '00_02'.to_i)
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end
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def test_to_s2
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assert_raise(ArgumentError) { T31P.to_s(37) }
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assert_equal("9" * 32768, (10**32768-1).to_s)
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assert_raise(RangeError) { Process.wait(1, T64P) }
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assert_equal("0", T_ZERO.to_s)
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assert_equal("1", T_ONE.to_s)
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end
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def test_to_f
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assert_nothing_raised { T31P.to_f.to_i }
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assert_raise(FloatDomainError) { (1024**1024).to_f.to_i }
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assert_equal(1, (2**50000).to_f.infinite?)
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assert_equal(-1, (-(2**50000)).to_f.infinite?)
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end
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def test_cmp
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assert_operator(T31P, :>, 1)
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assert_operator(T31P, :<, 2147483648.0)
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assert_operator(T31P, :<, T64P)
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assert_operator(T64P, :>, T31P)
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assert_raise(ArgumentError) { T31P < "foo" }
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assert_operator(T64, :<, (1.0/0.0))
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assert_not_operator(T64, :>, (1.0/0.0))
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end
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def test_eq
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assert_not_equal(T31P, 1)
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assert_equal(T31P, 2147483647.0)
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assert_not_equal(T31P, "foo")
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assert_not_equal(2**77889, (1.0/0.0), '[ruby-core:31603]')
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end
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def test_eql
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assert_send([T31P, :eql?, T31P])
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end
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def test_convert
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assert_equal([255], [T_MONE].pack("C").unpack("C"))
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assert_equal([0], [T32].pack("C").unpack("C"))
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assert_raise(RangeError) { 0.to_s(T32) }
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end
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def test_sub
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assert_equal(-T31, T32 - (T32 + T31))
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x = 2**100
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assert_equal(1, (x+2) - (x+1))
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assert_equal(-1, (x+1) - (x+2))
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assert_equal(0, (2**100) - (2.0**100))
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o = Object.new
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def o.coerce(x); [x, 2**100+2]; end
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assert_equal(-1, (2**100+1) - o)
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assert_equal(-1, T_ONE - 2)
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end
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def test_plus
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assert_equal(T32.to_f, T32P + 1.0)
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assert_raise(TypeError) { T32 + "foo" }
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assert_equal(1267651809154049016125877911552, (2**100) + (2**80))
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assert_equal(1267651809154049016125877911552, (2**80) + (2**100))
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assert_equal(2**101, (2**100) + (2.0**100))
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o = Object.new
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def o.coerce(x); [x, 2**80]; end
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assert_equal(1267651809154049016125877911552, (2**100) + o)
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end
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def test_minus
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assert_equal(T32P.to_f, T32 - 1.0)
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assert_raise(TypeError) { T32 - "foo" }
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end
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def test_mul
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assert_equal(T32.to_f, T32 * 1.0)
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assert_raise(TypeError) { T32 * "foo" }
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o = Object.new
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def o.coerce(x); [x, 2**100]; end
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assert_equal(2**180, (2**80) * o)
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end
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def test_positive_p
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assert_predicate(T_ONE, :positive?)
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assert_not_predicate(T_MONE, :positive?)
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assert_not_predicate(T_ZERO, :positive?)
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end
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def test_negative_p
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assert_not_predicate(T_ONE, :negative?)
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assert_predicate(T_MONE, :negative?)
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assert_not_predicate(T_ZERO, :negative?)
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end
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def test_mul_balance
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assert_equal(3**7000, (3**5000) * (3**2000))
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end
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def test_mul_large_numbers
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a = %w[
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32580286268570032115047167942578356789222410206194227403993117616454027392
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62501901985861926098797067562795526004375784403965882943322008991129440928
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33855888840298794008677656280486901895499985197580043127115026675632969396
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55040226415022070581995493731570435346323030715226718346725312551631168110
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83966158581772380474470605428802018934282425947323171408377505151988776271
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85865548747366001752375899635539662017095652855537225416899242508164949615
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96848508410008685252121247181772953744297349638273854170932226446528911938
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03430429031094465344063914822790537339912760237589085026016396616506014081
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53557719631183538265614091691713138728177917059624255801026099255450058876
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97412698978242128457751836011774504753020608663272925708049430557191193188
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23212591809241860763625985763438355314593186083254640117460724730431447842
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15432124830037389073162094304199742919767272162759192882136828372588787906
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96027938532441670018954643423581446981760344524184231299785949158765352788
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38452309862972527623669323263424418781899966895996672291193305401609553502
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63893514163147729201340204483973131948541009975283778189609285614445485714
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63843850089417416331356938086609682943037801440660232801570877143192251897
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63026816485314923378023904237699794122181407920355722922555234540701118607
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37971417665315821995516986204709574657462370947443531049033704997194647442
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13711787319587466437795542850136751816475182349380345341647976135081955799
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56787050815348701001765730577514591032367920292271016649813170789854524395
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72571698998841196411826453893352760318867994518757872432266374568779920489
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55597104558927387008506485038236352630863481679853742412042588244086070827
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43705456833283086410967648483312972903432798923897357373793064381177468258
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69131640408147806442422254638590386673344704147156793990832671592488742473
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31524606724894164324227362735271650556732855509929890983919463699819116427
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].join.to_i
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b = %w[
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31519454770031243652776765515030872050264386564379909299874378289835540661
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99756262835346828114038365624177182230027040172583473561802565238817167503
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85144159132462819032164726177606533272071955542237648482852154879445654746
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25061253606344846225905712926863168413666058602449408307586532461776530803
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56810626880722653177544008166119272373179841889454920521993413902672848145
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77974951972342194855267960390195830413354782136431833731467699250684103370
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98571305167189174270854698169136844578685346745340041520068176478277580590
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43810457765638903028049263788987034217272442328962400931269515791911786205
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15357047519615932249418012945178659435259428163356223753159488306813844040
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93609959555018799309373542926110109744437994067754004273450659607204900586
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28878103661124568217617766580438460505513654179249613168352070584906185237
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34829991855182473813233425492094534396541544295119674419522772382981982574
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64708442087451070125274285088681225122475041996116377707892328889948526913
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82239084041628877737628853240361038273348062246951097300286513836140601495
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63604611754185656404194406869925540477185577643853560887894081047256701731
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66884554460428760857958761948461476977864005799494946578017758268987123749
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85937011490156431231903167442071541493304390639100774497107347884381581049
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85451663323551635322518839895028929788021096587229364219084708576998525298
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39594168681411529110089531428721005176467479027585291807482375043729783455
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35827667428080449919778142400266842990117940984804919512360370451936835708
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76338722049621773169385978521438867493162717866679193103745711403152099047
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27294943901673885707639094215339506973982546487889199083181789561917985023
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82368442718514694400160954955539704757794969665555505203532944598698824542
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00599461848630034847211204029842422678421808487300084850702007663003230882
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16645745324467830796203354080471008809087072562876681588151822072260738003
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].join.to_i
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c = %w[
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10269128594368631269792194698469828812223242061960065022209211719149714886
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03494742299892841188636314745174778237781513956755034582435818316155459882
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71422025990633195596790290038198841087091600598192959108790192789550336119
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13849937951116346796903163312950010689963716629093190601532313463306463573
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64436438673379454947908896258675634478867189655764364639888427350090856831
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84369949421175534994092429682748078316130135651006102162888937624830856951
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64818150356583421988135211585954838926347035741143424980258821170351244310
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33072045488402539147707418016613224788469923473310249137422855065567940804
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75231970365923936034328561426062696074717204901606475826224235014948198414
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19979210494282212322919438926816203585575357874850252052656098969732107129
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30639419804565653489687198910271702181183420960744232756057631336661646896
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48734093497394719644969417287962767186599484579769717220518657324467736902
|
|
16947995288312851432262922140679347615046098863974141226499783975470926697
|
|
95970415188661518504275964397022973192968233221707696639386238428211541334
|
|
69925631385166494600401675904803418143232703594169525858261988389529181035
|
|
06048776134746377586210180203524132714354779486439559392942733781343640971
|
|
02430607931736785273011780813863748280091795277451796799961887248262211653
|
|
38966967509803488282644299584920109534552889962877144862747797551711984992
|
|
00726518175235286668236031649728858774545087668286506201943248842967749907
|
|
05345423019480534625965140632428736051632750698608916592720742728646191514
|
|
86268964807395494825321744802493138032936406889713953832376411900451422777
|
|
06372983421062172556566901346288286168790235741528630664513209619789835729
|
|
36999522461733403414326366959273556098219489572448083984779946889707480205
|
|
42459898495081687425132939473146331452400120169525968892769310016015870148
|
|
66821361032541586130017904207971120217385522074967066199941112154460026348
|
|
07223950375610474071278649031647998546085807777970592429037128484222394216
|
|
33776560239741740193444702279919018283324070210090106960567819910943036248
|
|
16660475627526085805165023447934326510232828674828006752369603151390527384
|
|
16810180735871644266726954590262010744712519045524839388305761859432443670
|
|
05188791334908140831469790180096209292338569623252372975043915954675335333
|
|
66614002146554533771788633057869340167604765688639181655208751680821446276
|
|
75871494160208888666798836473728725968253820774671626436794492530356258709
|
|
62318715778035246655925307167306434486713879511272648637608703497794724929
|
|
54912261106702913491290913962825303534484477936036071463820553314826894581
|
|
36951927032835690160443252405644718368516656317176848748544135126122940034
|
|
68454782581240953957381976073459570718038035358630417744490242611126043987
|
|
89191812971310096496208294948623403471433467614886863238916702384858514703
|
|
24327715474804343531844042107910755966152655912676456945146277848606406879
|
|
49724219295823540160221752189725460676360350860849986313532861445465771187
|
|
86822806696323658053947125253562001971534265078959827450518368635828010637
|
|
91977444206363529864361796188661941906329947840521598310396004328950804758
|
|
79728679236044038853668859284513594307352133390781441610395116807369310560
|
|
35193762565748328526426224069629084264376146174383444988110993194030351064
|
|
29660536743256949099972314033972121470913480844652490838985461134989129492
|
|
75577567064571716731774820127381261057956083604361635892088585967074514802
|
|
51958582645785905276289980534832170529946494815794770854644518463332458915
|
|
77572397432680871220602513555535017751714443325264019171753694163676670792
|
|
04353584782364068773777058727187323211012094819929720407636607815292764459
|
|
21851731257845562153822058534043916834839514338448582518847879059020959697
|
|
90538105704766415685100946308842788321400392381169436435078204622400475281
|
|
].join.to_i
|
|
assert_equal(c, a*b, '[ruby-core:48552]')
|
|
end
|
|
|
|
def test_divrem
|
|
assert_equal(0, T32 / T64)
|
|
end
|
|
|
|
def test_divide
|
|
bug5490 = '[ruby-core:40429]'
|
|
assert_raise(ZeroDivisionError, bug5490) {T1024./(0)}
|
|
assert_equal(Float::INFINITY, T1024./(0.0), bug5490)
|
|
end
|
|
|
|
def test_div
|
|
assert_equal(T32.to_f, T32 / 1.0)
|
|
assert_raise(TypeError) { T32 / "foo" }
|
|
assert_equal(0x20000000, 0x40000001.div(2.0), "[ruby-dev:34553]")
|
|
bug5490 = '[ruby-core:40429]'
|
|
assert_raise(ZeroDivisionError, bug5490) {T1024.div(0)}
|
|
assert_raise(ZeroDivisionError, bug5490) {T1024.div(0.0)}
|
|
end
|
|
|
|
def test_idiv
|
|
assert_equal(715827882, 1073741824.div(Rational(3,2)), ' [ruby-dev:34066]')
|
|
end
|
|
|
|
def test_modulo
|
|
assert_raise(TypeError) { T32 % "foo" }
|
|
end
|
|
|
|
def test_remainder
|
|
assert_equal(0, T32.remainder(1))
|
|
assert_raise(TypeError) { T32.remainder("foo") }
|
|
end
|
|
|
|
def test_divmod
|
|
assert_equal([T32, 0], T32.divmod(1))
|
|
assert_equal([2, 0], T32.divmod(T31))
|
|
assert_raise(TypeError) { T32.divmod("foo") }
|
|
end
|
|
|
|
def test_quo
|
|
assert_kind_of(Float, T32.quo(1.0))
|
|
|
|
assert_equal(T32.to_f, T32.quo(1))
|
|
assert_equal(T32.to_f, T32.quo(1.0))
|
|
assert_equal(T32.to_f, T32.quo(T_ONE))
|
|
|
|
assert_raise(TypeError) { T32.quo("foo") }
|
|
|
|
assert_equal(1024**1024, (1024**1024).quo(1))
|
|
assert_equal(Float::INFINITY, (1024**1024).quo(1.0))
|
|
assert_equal(1024**1024*2, (1024**1024*2).quo(1))
|
|
inf = 1 / 0.0; nan = inf / inf
|
|
|
|
assert_send([(1024**1024*2).quo(nan), :nan?])
|
|
end
|
|
|
|
def test_pow
|
|
assert_equal(1.0, T32 ** 0.0)
|
|
assert_equal(1.0 / T32, T32 ** -1)
|
|
assert_equal(1, (T32 ** T32).infinite?)
|
|
assert_equal(1, (T32 ** (2**30-1)).infinite?)
|
|
|
|
### rational changes the behavior of Bignum#**
|
|
#assert_raise(TypeError) { T32**"foo" }
|
|
assert_raise(TypeError, ArgumentError) { T32**"foo" }
|
|
|
|
feature3429 = '[ruby-core:30735]'
|
|
assert_kind_of(Integer, (2 ** 7830457), feature3429)
|
|
end
|
|
|
|
def test_and
|
|
assert_equal(0, T32 & 1)
|
|
assert_equal(-T32, (-T32) & (-T31))
|
|
assert_equal(0, T32 & T64)
|
|
end
|
|
|
|
def test_or
|
|
assert_equal(T32 + 1, T32 | 1)
|
|
assert_equal(T32 + T31, T32 | T31)
|
|
assert_equal(-T31, (-T32) | (-T31))
|
|
assert_equal(T64 + T32, T32 | T64)
|
|
assert_equal(FIXNUM_MAX, T_ZERO | FIXNUM_MAX)
|
|
end
|
|
|
|
def test_xor
|
|
assert_equal(T32 + 1, T32 ^ 1)
|
|
assert_equal(T32 + T31, T32 ^ T31)
|
|
assert_equal(T31, (-T32) ^ (-T31))
|
|
assert_equal(T64 + T32, T32 ^ T64)
|
|
end
|
|
|
|
class DummyNumeric < Numeric
|
|
def to_int
|
|
1
|
|
end
|
|
end
|
|
|
|
def test_and_with_float
|
|
assert_raise(TypeError) { T1024 & 1.5 }
|
|
end
|
|
|
|
def test_and_with_rational
|
|
assert_raise(TypeError, "#1792") { T1024 & Rational(3, 2) }
|
|
end
|
|
|
|
def test_and_with_nonintegral_numeric
|
|
assert_raise(TypeError, "#1792") { T1024 & DummyNumeric.new }
|
|
end
|
|
|
|
def test_or_with_float
|
|
assert_raise(TypeError) { T1024 | 1.5 }
|
|
end
|
|
|
|
def test_or_with_rational
|
|
assert_raise(TypeError, "#1792") { T1024 | Rational(3, 2) }
|
|
end
|
|
|
|
def test_or_with_nonintegral_numeric
|
|
assert_raise(TypeError, "#1792") { T1024 | DummyNumeric.new }
|
|
end
|
|
|
|
def test_xor_with_float
|
|
assert_raise(TypeError) { T1024 ^ 1.5 }
|
|
end
|
|
|
|
def test_xor_with_rational
|
|
assert_raise(TypeError, "#1792") { T1024 ^ Rational(3, 2) }
|
|
end
|
|
|
|
def test_xor_with_nonintegral_numeric
|
|
assert_raise(TypeError, "#1792") { T1024 ^ DummyNumeric.new }
|
|
end
|
|
|
|
def test_shift2
|
|
b = BIGNUM_MIN_BITS
|
|
n = BIGNUM_MIN << 1
|
|
assert_equal(2**(b+1), n << 1)
|
|
assert_equal(2**(b-1), n << -1)
|
|
assert_equal(2**(b+1), n << 1.0)
|
|
assert_equal(2**(b-1), n << -1.0)
|
|
assert_equal(2**(b+1), n << T_ONE)
|
|
assert_equal(2**(b-1), n << T_MONE)
|
|
assert_equal(2**(b-1), n >> 1)
|
|
assert_equal(2**(b+1), n >> -1)
|
|
assert_equal(2**(b-1), n >> 1.0)
|
|
assert_equal(2**(b+1), n >> -1.0)
|
|
assert_equal(2**(b-1), n >> T_ONE)
|
|
assert_equal(2**(b+1), n >> T_MONE)
|
|
assert_equal( 0, n >> n)
|
|
assert_equal(-1, -n >> n)
|
|
assert_equal( 0, n >> (b*4))
|
|
assert_equal(-1, -n >> (b*4))
|
|
assert_equal( 0, (n/2) >> b)
|
|
assert_equal(-1, -(n/2) >> b)
|
|
end
|
|
|
|
def test_shift_bigshift
|
|
big = 2**300
|
|
assert_equal(2**65538 / (2**65537), 2**65538 >> big.coerce(65537).first)
|
|
end
|
|
|
|
def test_aref
|
|
assert_equal(0, BIGNUM_MIN[0])
|
|
assert_equal(0, BIGNUM_MIN[BIGNUM_MIN])
|
|
assert_equal(0, BIGNUM_MIN[-BIGNUM_MIN])
|
|
assert_equal(0, BIGNUM_MIN[T_ZERO])
|
|
assert_equal(0, (-(BIGNUM_MIN*BIGNUM_MIN))[0])
|
|
assert_equal(1, (-2**(BIGNUM_MIN_BITS*4))[BIGNUM_MIN_BITS*4])
|
|
end
|
|
|
|
def test_hash
|
|
assert_nothing_raised { T31P.hash }
|
|
end
|
|
|
|
def test_coerce
|
|
assert_equal([T64P, T31P], T31P.coerce(T64P))
|
|
assert_raise(TypeError) { T31P.coerce(nil) }
|
|
obj = eval("class C\u{1f5ff}; self; end").new
|
|
assert_raise_with_message(TypeError, /C\u{1f5ff}/) { T31P.coerce(obj) }
|
|
end
|
|
|
|
def test_abs
|
|
assert_equal(T31P, (-T31P).abs)
|
|
end
|
|
|
|
def test_size
|
|
assert_kind_of(Integer, T31P.size)
|
|
end
|
|
|
|
def test_odd
|
|
assert_equal(true, (BIGNUM_MIN+1).odd?)
|
|
assert_equal(false, BIGNUM_MIN.odd?)
|
|
end
|
|
|
|
def test_even
|
|
assert_equal(false, (BIGNUM_MIN+1).even?)
|
|
assert_equal(true, BIGNUM_MIN.even?)
|
|
end
|
|
|
|
def test_interrupt_during_to_s
|
|
if defined?(Integer::GMP_VERSION)
|
|
return # GMP doesn't support interrupt during an operation.
|
|
end
|
|
time = Time.now
|
|
start_flag = false
|
|
end_flag = false
|
|
num = (65536 ** 65536)
|
|
thread = Thread.new do
|
|
start_flag = true
|
|
num.to_s
|
|
end_flag = true
|
|
end
|
|
sleep 0.001 until start_flag
|
|
thread.raise
|
|
thread.join rescue nil
|
|
time = Time.now - time
|
|
skip "too fast cpu" if end_flag
|
|
assert_operator(time, :<, 10)
|
|
end
|
|
|
|
def test_interrupt_during_bigdivrem
|
|
if defined?(Integer::GMP_VERSION)
|
|
return # GMP doesn't support interrupt during an operation.
|
|
end
|
|
return unless Process.respond_to?(:kill)
|
|
begin
|
|
trace = []
|
|
oldtrap = Signal.trap(:INT) {|sig| trace << :int }
|
|
a = 456 ** 100
|
|
b = 123 ** 100
|
|
c = nil
|
|
100.times do |n|
|
|
a **= 3
|
|
b **= 3
|
|
trace.clear
|
|
th = Thread.new do
|
|
sleep 0.1; Process.kill :INT, $$
|
|
sleep 0.1; Process.kill :INT, $$
|
|
end
|
|
c = a / b
|
|
trace << :end
|
|
th.join
|
|
if trace == [:int, :int, :end]
|
|
assert_equal(a / b, c)
|
|
return
|
|
end
|
|
end
|
|
skip "cannot create suitable test case"
|
|
ensure
|
|
Signal.trap(:INT, oldtrap) if oldtrap
|
|
end
|
|
end
|
|
|
|
def test_too_big_to_s
|
|
if (big = 2**31-1).fixnum?
|
|
return
|
|
end
|
|
assert_raise_with_message(RangeError, /too big to convert/) {(1 << big).to_s}
|
|
end
|
|
|
|
def test_fix_fdiv
|
|
assert_not_equal(0, 1.fdiv(@fmax2))
|
|
assert_in_delta(0.5, 1.fdiv(@fmax2) * @fmax, 0.01)
|
|
end
|
|
|
|
def test_big_fdiv
|
|
assert_equal(1, @big.fdiv(@big))
|
|
assert_not_equal(0, @big.fdiv(@fmax2))
|
|
assert_not_equal(0, @fmax2.fdiv(@big))
|
|
assert_not_equal(0, @fmax2.fdiv(@fmax2))
|
|
assert_in_delta(0.5, @fmax.fdiv(@fmax2), 0.01)
|
|
assert_in_delta(1.0, @fmax2.fdiv(@fmax2), 0.01)
|
|
end
|
|
|
|
def test_float_fdiv
|
|
b = 1E+300.to_i
|
|
assert_equal(b, (b ** 2).fdiv(b))
|
|
assert_send([@big.fdiv(0.0 / 0.0), :nan?])
|
|
assert_in_delta(1E+300, (10**500).fdiv(1E+200), 1E+285)
|
|
end
|
|
|
|
def test_obj_fdiv
|
|
o = Object.new
|
|
def o.coerce(x); [x, 2**100]; end
|
|
assert_equal((2**200).to_f, (2**300).fdiv(o))
|
|
end
|
|
|
|
def test_singleton_method
|
|
# this test assumes 32bit/64bit platform
|
|
assert_raise(TypeError) { a = 1 << 64; def a.foo; end }
|
|
end
|
|
|
|
def test_frozen
|
|
assert_equal(true, (2**100).frozen?)
|
|
end
|
|
|
|
def test_bitwise_and_with_integer_mimic_object
|
|
def (obj = Object.new).to_int
|
|
10
|
|
end
|
|
assert_raise(TypeError, '[ruby-core:39491]') { T1024 & obj }
|
|
|
|
def obj.coerce(other)
|
|
[other, 10]
|
|
end
|
|
assert_equal(T1024 & 10, T1024 & obj)
|
|
end
|
|
|
|
def test_bitwise_or_with_integer_mimic_object
|
|
def (obj = Object.new).to_int
|
|
10
|
|
end
|
|
assert_raise(TypeError, '[ruby-core:39491]') { T1024 | obj }
|
|
|
|
def obj.coerce(other)
|
|
[other, 10]
|
|
end
|
|
assert_equal(T1024 | 10, T1024 | obj)
|
|
end
|
|
|
|
def test_bitwise_xor_with_integer_mimic_object
|
|
def (obj = Object.new).to_int
|
|
10
|
|
end
|
|
assert_raise(TypeError, '[ruby-core:39491]') { T1024 ^ obj }
|
|
|
|
def obj.coerce(other)
|
|
[other, 10]
|
|
end
|
|
assert_equal(T1024 ^ 10, T1024 ^ obj)
|
|
end
|
|
|
|
def test_digits
|
|
assert_equal([90, 78, 56, 34, 12], 1234567890.to_bignum.digits(100))
|
|
assert_equal([7215, 2413, 6242], T1024P.digits(10_000).first(3))
|
|
assert_equal([11], 11.digits(T1024P))
|
|
assert_equal([T1024P - 1, 1], (T1024P + T1024P - 1).digits(T1024P))
|
|
end
|
|
|
|
def test_digits_for_negative_numbers
|
|
assert_raise(Math::DomainError) { -11.digits(T1024P) }
|
|
assert_raise(Math::DomainError) { (-T1024P).digits }
|
|
assert_raise(Math::DomainError) { (-T1024P).digits(T1024P) }
|
|
end
|
|
|
|
def test_digits_for_invalid_base_numbers
|
|
assert_raise(ArgumentError) { T1024P.to_bignum.digits(0) }
|
|
assert_raise(ArgumentError) { T1024P.to_bignum.digits(-1) }
|
|
assert_raise(ArgumentError) { T1024P.to_bignum.digits(0.to_bignum) }
|
|
assert_raise(ArgumentError) { T1024P.to_bignum.digits(1.to_bignum) }
|
|
assert_raise(ArgumentError) { T1024P.to_bignum.digits(-T1024P) }
|
|
assert_raise(ArgumentError) { 10.digits(0.to_bignum) }
|
|
assert_raise(ArgumentError) { 10.digits(1.to_bignum) }
|
|
end
|
|
|
|
def test_digits_for_non_integral_base_numbers
|
|
assert_equal([11], 11.digits(T128P.to_r))
|
|
assert_equal([11], 11.digits(T128P.to_f))
|
|
|
|
t1024p_digits_in_t32 = [T32P]*32
|
|
assert_equal(t1024p_digits_in_t32, T1024P.digits(T32.to_r))
|
|
assert_equal(t1024p_digits_in_t32, T1024P.digits(T32.to_f))
|
|
|
|
assert_raise(RangeError) { T128P.digits(10+1i) }
|
|
end
|
|
|
|
def test_digits_for_non_numeric_base_argument
|
|
assert_raise(TypeError) { T1024P.digits("10") }
|
|
assert_raise(TypeError) { T1024P.digits("a") }
|
|
end
|
|
|
|
def test_finite_p
|
|
assert_predicate(T1024P, :finite?)
|
|
assert_predicate(-T1024P, :finite?)
|
|
end
|
|
|
|
def test_infinite_p
|
|
assert_nil(T1024P.infinite?)
|
|
assert_nil((-T1024P).infinite?)
|
|
end
|
|
end
|
|
end
|