metasploit-framework/lib/rex/arch/x86.rb.ut.rb

72 lines
2.1 KiB
Ruby

#!/usr/bin/ruby
$:.unshift(File.join(File.dirname(__FILE__), '..', '..'))
require 'test/unit'
require 'rex/text'
require 'rex/arch/x86'
class Rex::Arch::X86::UnitTest < ::Test::Unit::TestCase
Klass = Rex::Arch::X86
def test_reg_number
assert_equal(Klass.reg_number('eax'), Klass::EAX)
assert_equal(Klass.reg_number('EsP'), Klass::ESP)
end
def test_push_byte
assert_raise(::ArgumentError) { Klass.push_byte(-129) }
assert_raise(::ArgumentError) { Klass.push_byte(8732) }
assert_equal("\x6a\x10", Klass.push_byte(16))
assert_equal("\x6a\xff", Klass.push_byte(-1))
end
def test_check_reg
assert_raise(::ArgumentError) { Klass._check_reg(8) }
assert_raise(::ArgumentError) { Klass._check_reg(-1) }
0.upto(7) { |reg|
assert_nothing_raised { Klass._check_reg(reg) }
}
end
def test_pop_dword
assert_raise(::ArgumentError) { Klass.pop_dword(8) }
assert_raise(::ArgumentError) { Klass.pop_dword(-1) }
assert_equal("\x58", Klass.pop_dword(Klass::EAX))
assert_equal("\x5a", Klass.pop_dword(Klass::EDX))
assert_equal("\x5c", Klass.pop_dword(Klass::ESP))
end
def test_sub
assert_equal("\x83\xe8\x04", Klass.sub(4, Klass::EAX)[2, 3])
assert_equal("\x66\x81\xe8\x80\xff", Klass.sub(-128, Klass::EAX)[2, 5])
assert_equal("\x81\xe8\x00\x00\x01\x00", Klass.sub(65536, Klass::EAX)[2, 6])
end
def test_add
assert_equal("\x83\xc4\x47", Klass.add(0x47, Klass::ESP)[2,6])
assert_equal("\x83\xc4\x47", Klass.add(0x47, Klass::ESP, '', true))
assert_equal("\x81\xc4\x11\x11\x01\x00", Klass.add(0x11111, Klass::ESP, '', true))
end
def test_searcher
s = "\xbe"+ # mov esi, Tag - 1
"\x03\x03\x02\x01"+
"\x46"+ # inc esi
"\x47"+ # inc edi (end_search:)
"\x39\x37"+ # cmp [edi],esi
"\x75\xfb"+ # jnz 0xa (end_search)
"\x46"+ # inc esi
"\x4f"+ # dec edi (start_search:)
"\x39\x77\xfc"+ # cmp [edi-0x4],esi
"\x75\xfa"+ # jnz 0x10 (start_search)
"\xff\xe7" # jmp edi
assert_equal(s, Klass.searcher("\x04\x03\x02\x01"))
end
end