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-rw-r--r--test/ruby/test_integer.rb257
1 files changed, 240 insertions, 17 deletions
diff --git a/test/ruby/test_integer.rb b/test/ruby/test_integer.rb
index b1952b643a..2f3f00ecda 100644
--- a/test/ruby/test_integer.rb
+++ b/test/ruby/test_integer.rb
@@ -2,15 +2,47 @@
require 'test/unit'
class TestInteger < Test::Unit::TestCase
- BDSIZE = 0x4000000000000000.coerce(0)[0].size
- def self.bdsize(x)
- ((x + 1) / 8 + BDSIZE) / BDSIZE * BDSIZE
- end
- def bdsize(x)
- self.class.bdsize(x)
- end
+ FIXNUM_MIN = RbConfig::LIMITS['FIXNUM_MIN']
+ FIXNUM_MAX = RbConfig::LIMITS['FIXNUM_MAX']
+ LONG_MAX = RbConfig::LIMITS['LONG_MAX']
def test_aref
+
+ [
+ *-16..16,
+ *(FIXNUM_MIN-2)..(FIXNUM_MIN+2),
+ *(FIXNUM_MAX-2)..(FIXNUM_MAX+2),
+ ].each do |n|
+ (-64..64).each do |idx|
+ assert_equal((n >> idx) & 1, n[idx])
+ end
+ [*-66..-62, *-34..-30, *-5..5, *30..34, *62..66].each do |idx|
+ (0..100).each do |len|
+ assert_equal((n >> idx) & ((1 << len) - 1), n[idx, len], "#{ n }[#{ idx }, #{ len }]")
+ end
+ (0..100).each do |len|
+ assert_equal((n >> idx) & ((1 << (len + 1)) - 1), n[idx..idx+len], "#{ n }[#{ idx }..#{ idx+len }]")
+ assert_equal((n >> idx) & ((1 << len) - 1), n[idx...idx+len], "#{ n }[#{ idx }...#{ idx+len }]")
+ end
+
+ # endless
+ assert_equal((n >> idx), n[idx..], "#{ n }[#{ idx }..]")
+ assert_equal((n >> idx), n[idx...], "#{ n }[#{ idx }...#]")
+
+ # beginless
+ if idx >= 0 && n & ((1 << (idx + 1)) - 1) != 0
+ assert_raise(ArgumentError, "#{ n }[..#{ idx }]") { n[..idx] }
+ else
+ assert_equal(0, n[..idx], "#{ n }[..#{ idx }]")
+ end
+ if idx >= 0 && n & ((1 << idx) - 1) != 0
+ assert_raise(ArgumentError, "#{ n }[...#{ idx }]") { n[...idx] }
+ else
+ assert_equal(0, n[...idx], "#{ n }[...#{ idx }]")
+ end
+ end
+ end
+
# assert_equal(1, (1 << 0x40000000)[0x40000000], "[ruby-dev:31271]")
# assert_equal(0, (-1 << 0x40000001)[0x40000000], "[ruby-dev:31271]")
big_zero = 0x40000000.coerce(0)[0]
@@ -24,6 +56,32 @@ class TestInteger < Test::Unit::TestCase
rescue
nil
end, "[ruby-dev:32084] [ruby-dev:34547]")
+
+ x = EnvUtil.suppress_warning {2 ** -0x4000000000000000}
+ assert_in_delta(0.0, (x / 2), Float::EPSILON)
+
+ <<~EXPRS.each_line.with_index(__LINE__+1) do |expr, line|
+ crash01: 111r+11**-11111161111111
+ crash02: 1118111111111**-1111111111111111**1+1==11111
+ crash03: -1111111**-1111*11 - -1111111** -111111111
+ crash04: 1118111111111** -1111111111111111**1+11111111111**1 ===111
+ crash05: 11** -111155555555555555 -55 !=5-555
+ crash07: 1 + 111111111**-1111811111
+ crash08: 18111111111**-1111111111111111**1 + 1111111111**-1111**1
+ crash10: -7 - -1111111** -1111**11
+ crash12: 1118111111111** -1111111111111111**1 + 1111 - -1111111** -1111*111111111119
+ crash13: 1.0i - -1111111** -111111111
+ crash14: 11111**111111111**111111 * -11111111111111111111**-111111111111
+ crash15: ~1**1111 + -~1**~1**111
+ crash17: 11** -1111111**1111 /11i
+ crash18: 5555i**-5155 - -9111111**-1111**11
+ crash19: 111111*-11111111111111111111**-1111111111111111
+ crash20: 1111**111-11**-11111**11
+ crash21: 11**-10111111119-1i -1r
+ EXPRS
+ name, expr = expr.split(':', 2)
+ assert_ruby_status(%w"-W0", expr, name)
+ end
end
def test_lshift
@@ -31,11 +89,16 @@ class TestInteger < Test::Unit::TestCase
assert_equal(0, 1 << -0x40000001)
assert_equal(0, 1 << -0x80000000)
assert_equal(0, 1 << -0x80000001)
- # assert_equal(bdsize(0x80000000), (1 << 0x80000000).size)
+
+ char_bit = RbConfig::LIMITS["UCHAR_MAX"].bit_length
+ size_max = RbConfig::LIMITS["SIZE_MAX"]
+ size_bit_max = size_max * char_bit
+ assert_raise_with_message(RangeError, /shift width/) {
+ 1 << size_bit_max
+ }
end
def test_rshift
- # assert_equal(bdsize(0x40000001), (1 >> -0x40000001).size)
assert_predicate((1 >> 0x80000000), :zero?)
assert_predicate((1 >> 0xffffffff), :zero?)
assert_predicate((1 >> 0x100000000), :zero?)
@@ -92,6 +155,17 @@ class TestInteger < Test::Unit::TestCase
assert_equal(2 ** 50, Integer(2.0 ** 50))
assert_raise(TypeError) { Integer(nil) }
+ bug14552 = '[ruby-core:85813]'
+ obj = Object.new
+ def obj.to_int; "str"; end
+ assert_raise(TypeError, bug14552) { Integer(obj) }
+ def obj.to_i; 42; end
+ assert_equal(42, Integer(obj), bug14552)
+
+ obj = Object.new
+ def obj.to_i; "str"; end
+ assert_raise(TypeError) { Integer(obj) }
+
bug6192 = '[ruby-core:43566]'
assert_raise(Encoding::CompatibilityError, bug6192) {Integer("0".encode("utf-16be"))}
assert_raise(Encoding::CompatibilityError, bug6192) {Integer("0".encode("utf-16le"))}
@@ -116,6 +190,61 @@ class TestInteger < Test::Unit::TestCase
end;
end
+ def test_Integer_with_invalid_exception
+ assert_raise(ArgumentError) {
+ Integer("0", exception: 1)
+ }
+ end
+
+ def test_Integer_with_exception_keyword
+ assert_nothing_raised(ArgumentError) {
+ assert_equal(nil, Integer("1z", exception: false))
+ }
+ assert_nothing_raised(ArgumentError) {
+ assert_equal(nil, Integer(Object.new, exception: false))
+ }
+ assert_nothing_raised(ArgumentError) {
+ o = Object.new
+ def o.to_i; 42.5; end
+ assert_equal(nil, Integer(o, exception: false))
+ }
+ assert_nothing_raised(ArgumentError) {
+ o = Object.new
+ def o.to_i; raise; end
+ assert_equal(nil, Integer(o, exception: false))
+ }
+ assert_nothing_raised(ArgumentError) {
+ o = Object.new
+ def o.to_int; raise; end
+ assert_equal(nil, Integer(o, exception: false))
+ }
+ assert_nothing_raised(FloatDomainError) {
+ assert_equal(nil, Integer(Float::INFINITY, exception: false))
+ }
+ assert_nothing_raised(FloatDomainError) {
+ assert_equal(nil, Integer(-Float::INFINITY, exception: false))
+ }
+ assert_nothing_raised(FloatDomainError) {
+ assert_equal(nil, Integer(Float::NAN, exception: false))
+ }
+
+ assert_raise(ArgumentError) {
+ Integer("1z", exception: true)
+ }
+ assert_raise(TypeError) {
+ Integer(nil, exception: true)
+ }
+ assert_nothing_raised(TypeError) {
+ assert_equal(nil, Integer(nil, exception: false))
+ }
+
+ assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
+ begin;
+ class Integer;def method_missing(*);"";end;end
+ assert_equal(0, Integer("0", 2))
+ end;
+ end
+
def test_int_p
assert_not_predicate(1.0, :integer?)
assert_predicate(1, :integer?)
@@ -129,6 +258,7 @@ class TestInteger < Test::Unit::TestCase
assert_equal("a", "a".ord.chr)
assert_raise(RangeError) { (-1).chr }
assert_raise(RangeError) { 0x100.chr }
+ assert_raise_with_message(RangeError, "3000000000 out of char range") { 3_000_000_000.chr }
end
def test_upto
@@ -167,6 +297,31 @@ class TestInteger < Test::Unit::TestCase
end
end
+ def test_times_bignum_redefine_plus_lt
+ assert_separately([], "#{<<-"begin;"}\n#{<<~"end;"}")
+ begin;
+ called = false
+ Integer.class_eval do
+ alias old_plus +
+ undef +
+ define_method(:+){|x| called = true; 1}
+ alias old_lt <
+ undef <
+ define_method(:<){|x| called = true}
+ end
+ big = 2**65
+ big.times{break 0}
+ Integer.class_eval do
+ undef +
+ alias + old_plus
+ undef <
+ alias < old_lt
+ end
+ bug18377 = "[ruby-core:106361]"
+ assert_equal(false, called, bug18377)
+ end;
+ end
+
def assert_int_equal(expected, result, mesg = nil)
assert_kind_of(Integer, result, mesg)
assert_equal(expected, result, mesg)
@@ -181,8 +336,8 @@ class TestInteger < Test::Unit::TestCase
assert_int_equal(11111, 11111.round)
assert_int_equal(11111, 11111.round(0))
- assert_float_equal(11111.0, 11111.round(1))
- assert_float_equal(11111.0, 11111.round(2))
+ assert_int_equal(11111, 11111.round(1))
+ assert_int_equal(11111, 11111.round(2))
assert_int_equal(11110, 11111.round(-1))
assert_int_equal(11100, 11111.round(-2))
@@ -249,14 +404,17 @@ class TestInteger < Test::Unit::TestCase
assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1110, 1111_1111_1111_1111_1111_1111_1111_1111.round(-1))
assert_int_equal(-1111_1111_1111_1111_1111_1111_1111_1110, (-1111_1111_1111_1111_1111_1111_1111_1111).round(-1))
+
+ assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1111, 1111_1111_1111_1111_1111_1111_1111_1111.round(1))
+ assert_int_equal(10**400, (10**400).round(1))
end
def test_floor
assert_int_equal(11111, 11111.floor)
assert_int_equal(11111, 11111.floor(0))
- assert_float_equal(11111.0, 11111.floor(1))
- assert_float_equal(11111.0, 11111.floor(2))
+ assert_int_equal(11111, 11111.floor(1))
+ assert_int_equal(11111, 11111.floor(2))
assert_int_equal(11110, 11110.floor(-1))
assert_int_equal(11110, 11119.floor(-1))
@@ -274,14 +432,17 @@ class TestInteger < Test::Unit::TestCase
assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1110, 1111_1111_1111_1111_1111_1111_1111_1111.floor(-1))
assert_int_equal(-1111_1111_1111_1111_1111_1111_1111_1120, (-1111_1111_1111_1111_1111_1111_1111_1111).floor(-1))
+
+ assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1111, 1111_1111_1111_1111_1111_1111_1111_1111.floor(1))
+ assert_int_equal(10**400, (10**400).floor(1))
end
def test_ceil
assert_int_equal(11111, 11111.ceil)
assert_int_equal(11111, 11111.ceil(0))
- assert_float_equal(11111.0, 11111.ceil(1))
- assert_float_equal(11111.0, 11111.ceil(2))
+ assert_int_equal(11111, 11111.ceil(1))
+ assert_int_equal(11111, 11111.ceil(2))
assert_int_equal(11110, 11110.ceil(-1))
assert_int_equal(11120, 11119.ceil(-1))
@@ -299,14 +460,17 @@ class TestInteger < Test::Unit::TestCase
assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1120, 1111_1111_1111_1111_1111_1111_1111_1111.ceil(-1))
assert_int_equal(-1111_1111_1111_1111_1111_1111_1111_1110, (-1111_1111_1111_1111_1111_1111_1111_1111).ceil(-1))
+
+ assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1111, 1111_1111_1111_1111_1111_1111_1111_1111.ceil(1))
+ assert_int_equal(10**400, (10**400).ceil(1))
end
def test_truncate
assert_int_equal(11111, 11111.truncate)
assert_int_equal(11111, 11111.truncate(0))
- assert_float_equal(11111.0, 11111.truncate(1))
- assert_float_equal(11111.0, 11111.truncate(2))
+ assert_int_equal(11111, 11111.truncate(1))
+ assert_int_equal(11111, 11111.truncate(2))
assert_int_equal(11110, 11110.truncate(-1))
assert_int_equal(11110, 11119.truncate(-1))
@@ -324,6 +488,9 @@ class TestInteger < Test::Unit::TestCase
assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1110, 1111_1111_1111_1111_1111_1111_1111_1111.truncate(-1))
assert_int_equal(-1111_1111_1111_1111_1111_1111_1111_1110, (-1111_1111_1111_1111_1111_1111_1111_1111).truncate(-1))
+
+ assert_int_equal(1111_1111_1111_1111_1111_1111_1111_1111, 1111_1111_1111_1111_1111_1111_1111_1111.truncate(1))
+ assert_int_equal(10**400, (10**400).truncate(1))
end
MimicInteger = Struct.new(:to_int)
@@ -432,6 +599,8 @@ class TestInteger < Test::Unit::TestCase
assert_equal([0, 9, 8, 7, 6, 5, 4, 3, 2, 1], 1234567890.digits)
assert_equal([90, 78, 56, 34, 12], 1234567890.digits(100))
assert_equal([10, 5, 6, 8, 0, 10, 8, 6, 1], 1234567890.digits(13))
+ assert_equal((2 ** 1024).to_s(7).chars.map(&:to_i).reverse, (2 ** 1024).digits(7))
+ assert_equal([0] * 100 + [1], (2 ** (128 * 100)).digits(2 ** 128))
end
def test_digits_for_negative_numbers
@@ -465,6 +634,43 @@ class TestInteger < Test::Unit::TestCase
assert_equal([0, 1], 10.digits(o))
end
+ def test_square_root
+ assert_raise(TypeError) {Integer.sqrt("x")}
+ assert_raise(Math::DomainError) {Integer.sqrt(-1)}
+ assert_equal(0, Integer.sqrt(0))
+ (1...4).each {|i| assert_equal(1, Integer.sqrt(i))}
+ (4...9).each {|i| assert_equal(2, Integer.sqrt(i))}
+ (9...16).each {|i| assert_equal(3, Integer.sqrt(i))}
+ (1..40).each do |i|
+ mesg = "10**#{i}"
+ s = Integer.sqrt(n = 10**i)
+ if i.even?
+ assert_equal(10**(i/2), Integer.sqrt(n), mesg)
+ else
+ assert_include((s**2)...(s+1)**2, n, mesg)
+ end
+ end
+ 50.step(400, 10) do |i|
+ exact = 10**(i/2)
+ x = 10**i
+ assert_equal(exact, Integer.sqrt(x), "10**#{i}")
+ assert_equal(exact, Integer.sqrt(x+1), "10**#{i}+1")
+ assert_equal(exact-1, Integer.sqrt(x-1), "10**#{i}-1")
+ end
+
+ bug13440 = '[ruby-core:80696] [Bug #13440]'
+ failures = []
+ 0.step(to: 50, by: 0.05) do |i|
+ n = (10**i).to_i
+ root = Integer.sqrt(n)
+ failures << n unless root*root <= n && (root+1)*(root+1) > n
+ end
+ assert_empty(failures, bug13440)
+
+ x = 0xffff_ffff_ffff_ffff
+ assert_equal(x, Integer.sqrt(x ** 2), "[ruby-core:95453]")
+ end
+
def test_fdiv
assert_equal(1.0, 1.fdiv(1))
assert_equal(0.5, 1.fdiv(2))
@@ -479,4 +685,21 @@ class TestInteger < Test::Unit::TestCase
def o.fdiv(x); 1; end
assert_equal(1.0, 1.fdiv(o))
end
+
+ def test_try_convert
+ assert_equal(1, Integer.try_convert(1))
+ assert_equal(1, Integer.try_convert(1.0))
+ assert_nil Integer.try_convert("1")
+ o = Object.new
+ assert_nil Integer.try_convert(o)
+ def o.to_i; 1; end
+ assert_nil Integer.try_convert(o)
+ o = Object.new
+ def o.to_int; 1; end
+ assert_equal(1, Integer.try_convert(o))
+
+ o = Object.new
+ def o.to_int; Object.new; end
+ assert_raise_with_message(TypeError, /can't convert Object to Integer/) {Integer.try_convert(o)}
+ end
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-06 07:39:32 +0000