1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
# frozen_string_literal: false
require 'test/unit'
require "-test-/string"
require "rbconfig/sizeof"
class Test_StringModifyExpand < Test::Unit::TestCase
def test_modify_expand_memory_leak
assert_no_memory_leak(["-r-test-/string"],
<<-PRE, <<-CMD, "rb_str_modify_expand()", limit: 2.5)
s=Bug::String.new
PRE
size = $initial_size
10.times{s.modify_expand!(size)}
s.replace("")
CMD
end
def test_integer_overflow
bug12390 = '[ruby-core:75592] [Bug #12390]'
s = Bug::String.new
long_max = (1 << (8 * RbConfig::SIZEOF['long'] - 1)) - 1
assert_raise(ArgumentError, bug12390) {
s.modify_expand!(long_max)
}
end
end
|
