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require_relative 'test_base'
require 'dl/import'
module DL
module LIBC
extend Importer
dlload LIBC_SO, LIBM_SO
typealias 'string', 'char*'
typealias 'FILE*', 'void*'
extern "void *strcpy(char*, char*)"
extern "int isdigit(int)"
extern "double atof(string)"
extern "unsigned long strtoul(char*, char **, int)"
extern "int qsort(void*, unsigned long, unsigned long, void*)"
extern "int fprintf(FILE*, char*)"
extern "int gettimeofday(timeval*, timezone*)" rescue nil
QsortCallback = bind("void *qsort_callback(void*, void*)", :temp)
BoundQsortCallback = bind("void *bound_qsort_callback(void*, void*)"){|ptr1,ptr2| ptr1[0] <=> ptr2[0]}
Timeval = struct [
"long tv_sec",
"long tv_usec",
]
Timezone = struct [
"int tz_minuteswest",
"int tz_dsttime",
]
MyStruct = struct [
"short num[5]",
"char c",
"unsigned char buff[7]",
]
CallCallback = bind("void call_callback(void*, void*)"){|ptr1, ptr2|
f = Function.new(CFunc.new(ptr1.to_i, DL::TYPE_VOID, "<anonymous>"), [TYPE_VOIDP])
f.call(ptr2)
}
CarriedFunction = bind("void callback_function(void*)", :carried, 0)
end
class TestImport < TestBase
def test_ensure_call_dlload
err = assert_raises(RuntimeError) do
Class.new do
extend DL::Importer
extern "void *strcpy(char*, char*)"
end
end
assert_match(/call dlload before/, err.message)
end
def test_malloc()
s1 = LIBC::Timeval.malloc()
s2 = LIBC::Timeval.malloc()
assert_not_equal(s1.to_ptr.to_i, s2.to_ptr.to_i)
end
def test_sizeof()
assert_equal(DL::SIZEOF_VOIDP, LIBC.sizeof("FILE*"))
assert_equal(LIBC::MyStruct.size(), LIBC.sizeof(LIBC::MyStruct))
end
def test_unsigned_result()
d = (2 ** 31) + 1
r = LIBC.strtoul(d.to_s, 0, 0)
assert_equal(d, r)
end
def test_io()
if( RUBY_PLATFORM != DL::BUILD_RUBY_PLATFORM )
return
end
io_in,io_out = IO.pipe()
LIBC.fprintf(io_out, "hello")
io_out.flush()
io_out.close()
str = io_in.read()
io_in.close()
assert_equal("hello", str)
end
def test_value()
i = LIBC.value('int', 2)
assert_equal(2, i.value)
d = LIBC.value('double', 2.0)
assert_equal(2.0, d.value)
ary = LIBC.value('int[3]', [0,1,2])
assert_equal([0,1,2], ary.value)
end
def test_carried_function()
data1 = "data"
data2 = nil
LIBC.call_callback(LIBC::CarriedFunction, LIBC::CarriedFunction.create_carrier(data1)){|d|
data2 = d
}
assert_equal(data1, data2)
end
def test_struct()
s = LIBC::MyStruct.malloc()
s.num = [0,1,2,3,4]
s.c = ?a.ord
s.buff = "012345\377"
assert_equal([0,1,2,3,4], s.num)
assert_equal(?a.ord, s.c)
assert_equal([?0.ord,?1.ord,?2.ord,?3.ord,?4.ord,?5.ord,?\377.ord], s.buff)
end
def test_gettimeofday()
if( defined?(LIBC.gettimeofday) )
timeval = LIBC::Timeval.malloc()
timezone = LIBC::Timezone.malloc()
LIBC.gettimeofday(timeval, timezone)
cur = Time.now()
assert(cur.to_i - 2 <= timeval.tv_sec && timeval.tv_sec <= cur.to_i)
end
end
def test_strcpy()
buff = "000"
str = LIBC.strcpy(buff, "123")
assert_equal("123", buff)
assert_equal("123", str.to_s)
end
def test_isdigit()
r1 = LIBC.isdigit(?1.ord)
r2 = LIBC.isdigit(?2.ord)
rr = LIBC.isdigit(?r.ord)
assert_positive(r1)
assert_positive(r2)
assert_zero(rr)
end
def test_atof()
r = LIBC.atof("12.34")
assert_match(12.00..13.00, r)
end
def test_strtod()
f = Function.new(CFunc.new(@libc['strtod'], TYPE_DOUBLE, 'strtod'),
[TYPE_VOIDP, TYPE_VOIDP])
buff1 = "12.34"
buff2 = " "
r = f.call(buff1, buff2)
assert_match(12.00..13.00, r)
end
def test_qsort()
buff = "9341"
LIBC.qsort(buff, buff.size, 1, LIBC::QsortCallback){|ptr1,ptr2| ptr1[0] <=> ptr2[0]}
assert_equal("1349", buff)
buff = "9341"
LIBC.qsort(buff, buff.size, 1, LIBC::BoundQsortCallback)
assert_equal("1349", buff)
end
end
end
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