зеркало из https://github.com/github/ruby.git
93 строки
2.4 KiB
Ruby
93 строки
2.4 KiB
Ruby
begin
|
|
require_relative 'helper'
|
|
rescue LoadError
|
|
end
|
|
|
|
module Fiddle
|
|
class TestFunc < TestCase
|
|
def test_random
|
|
f = Function.new(@libc['srand'], [-TYPE_LONG], TYPE_VOID)
|
|
assert_nil f.call(10)
|
|
end
|
|
|
|
def test_syscall_with_tainted_string
|
|
f = Function.new(@libc['system'], [TYPE_VOIDP], TYPE_INT)
|
|
assert_raises(SecurityError) do
|
|
Thread.new {
|
|
$SAFE = 1
|
|
f.call("uname -rs".taint)
|
|
}.join
|
|
end
|
|
end
|
|
|
|
def test_sinf
|
|
begin
|
|
f = Function.new(@libm['sinf'], [TYPE_FLOAT], TYPE_FLOAT)
|
|
rescue Fiddle::DLError
|
|
skip "libm may not have sinf()"
|
|
end
|
|
assert_in_delta 1.0, f.call(90 * Math::PI / 180), 0.0001
|
|
end
|
|
|
|
def test_sin
|
|
f = Function.new(@libm['sin'], [TYPE_DOUBLE], TYPE_DOUBLE)
|
|
assert_in_delta 1.0, f.call(90 * Math::PI / 180), 0.0001
|
|
end
|
|
|
|
def test_string
|
|
stress, GC.stress = GC.stress, true
|
|
f = Function.new(@libc['strcpy'], [TYPE_VOIDP, TYPE_VOIDP], TYPE_VOIDP)
|
|
buff = "000"
|
|
str = f.call(buff, "123")
|
|
assert_equal("123", buff)
|
|
assert_equal("123", str.to_s)
|
|
ensure
|
|
GC.stress = stress
|
|
end
|
|
|
|
def test_isdigit
|
|
f = Function.new(@libc['isdigit'], [TYPE_INT], TYPE_INT)
|
|
r1 = f.call(?1.ord)
|
|
r2 = f.call(?2.ord)
|
|
rr = f.call(?r.ord)
|
|
assert_operator r1, :>, 0
|
|
assert_operator r2, :>, 0
|
|
assert_equal 0, rr
|
|
end
|
|
|
|
def test_atof
|
|
f = Function.new(@libc['atof'], [TYPE_VOIDP], TYPE_DOUBLE)
|
|
r = f.call("12.34")
|
|
assert_includes(12.00..13.00, r)
|
|
end
|
|
|
|
def test_strtod
|
|
f = Function.new(@libc['strtod'], [TYPE_VOIDP, TYPE_VOIDP], TYPE_DOUBLE)
|
|
buff1 = Pointer["12.34"]
|
|
buff2 = buff1 + 4
|
|
r = f.call(buff1, - buff2)
|
|
assert_in_delta(12.34, r, 0.001)
|
|
end
|
|
|
|
def test_qsort1
|
|
cb = Class.new(Closure) {
|
|
def call(x, y)
|
|
Pointer.new(x)[0] <=> Pointer.new(y)[0]
|
|
end
|
|
}.new(TYPE_INT, [TYPE_VOIDP, TYPE_VOIDP])
|
|
|
|
qsort = Function.new(@libc['qsort'],
|
|
[TYPE_VOIDP, TYPE_SIZE_T, TYPE_SIZE_T, TYPE_VOIDP],
|
|
TYPE_VOID)
|
|
buff = "9341"
|
|
qsort.call(buff, buff.size, 1, cb)
|
|
assert_equal("1349", buff)
|
|
|
|
bug4929 = '[ruby-core:37395]'
|
|
buff = "9341"
|
|
EnvUtil.under_gc_stress {qsort.call(buff, buff.size, 1, cb)}
|
|
assert_equal("1349", buff, bug4929)
|
|
end
|
|
end
|
|
end if defined?(Fiddle)
|