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-rw-r--r--test/ruby/test_fixnum.rb248
1 files changed, 239 insertions, 9 deletions
diff --git a/test/ruby/test_fixnum.rb b/test/ruby/test_fixnum.rb
index 81a091eb40..2878258920 100644
--- a/test/ruby/test_fixnum.rb
+++ b/test/ruby/test_fixnum.rb
@@ -1,9 +1,9 @@
+# frozen_string_literal: false
require 'test/unit'
class TestFixnum < Test::Unit::TestCase
def setup
@verbose = $VERBOSE
- $VERBOSE = nil
end
def teardown
@@ -36,10 +36,14 @@ class TestFixnum < Test::Unit::TestCase
def test_plus
assert_equal(0x40000000, 0x3fffffff+1)
+ assert_equal(0x7ffffffe, 0x3fffffff+0x3fffffff)
assert_equal(0x4000000000000000, 0x3fffffffffffffff+1)
+ assert_equal(0x7ffffffffffffffe, 0x3fffffffffffffff+0x3fffffffffffffff)
assert_equal(-0x40000001, (-0x40000000)+(-1))
assert_equal(-0x4000000000000001, (-0x4000000000000000)+(-1))
+ assert_equal(-0x7ffffffe, (-0x3fffffff)+(-0x3fffffff))
assert_equal(-0x80000000, (-0x40000000)+(-0x40000000))
+ assert_equal(-0x8000000000000000, (-0x4000000000000000)+(-0x4000000000000000))
end
def test_sub
@@ -48,6 +52,8 @@ class TestFixnum < Test::Unit::TestCase
assert_equal(-0x40000001, (-0x40000000)-1)
assert_equal(-0x4000000000000001, (-0x4000000000000000)-1)
assert_equal(-0x80000000, (-0x40000000)-0x40000000)
+ assert_equal(0x7fffffffffffffff, 0x3fffffffffffffff-(-0x4000000000000000))
+ assert_equal(-0x8000000000000000, -0x4000000000000000-0x4000000000000000)
end
def test_mult
@@ -74,6 +80,7 @@ class TestFixnum < Test::Unit::TestCase
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
@@ -87,14 +94,21 @@ class TestFixnum < Test::Unit::TestCase
next if b == 0
q, r = a.divmod(b)
assert_equal(a, b*q+r)
- assert(r.abs < b.abs)
- assert(0 < b ? (0 <= r && r < b) : (b < r && r <= 0))
+ 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
@@ -103,19 +117,235 @@ class TestFixnum < Test::Unit::TestCase
end
def test_lshift
- assert_equal(0x40000000, 0x20000000<<1)
- assert_equal(-0x40000000, (-0x20000000)<<1)
- assert_equal(-0x80000000, (-0x40000000)<<1)
+ 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)
+ 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(-1, 1 <=> 1 << 100)
+ 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
+
+ def test_zero_p
+ assert_predicate(0, :zero?)
+ assert_not_predicate(1, :zero?)
+ end
+
+ def test_positive_p
+ assert_predicate(1, :positive?)
+ assert_not_predicate(0, :positive?)
+ assert_not_predicate(-1, :positive?)
+ end
+
+ def test_negative_p
+ assert_predicate(-1, :negative?)
+ assert_not_predicate(0, :negative?)
+ assert_not_predicate(1, :negative?)
+ end
+
+ def test_finite_p
+ assert_predicate(1, :finite?)
+ assert_predicate(0, :finite?)
+ assert_predicate(-1, :finite?)
+ end
+
+ def test_infinite_p
+ assert_nil(1.infinite?)
+ assert_nil(0.infinite?)
+ assert_nil(-1.infinite?)
+ end
end
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