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|
# frozen_string_literal: true
begin
require_relative 'helper'
require 'fiddle/cparser'
require 'fiddle/import'
rescue LoadError
end
module Fiddle
class TestCParser < TestCase
include CParser
def test_char_ctype
assert_equal(TYPE_CHAR, parse_ctype('char'))
assert_equal(TYPE_CHAR, parse_ctype('const char'))
assert_equal(TYPE_CHAR, parse_ctype('signed char'))
assert_equal(TYPE_CHAR, parse_ctype('const signed char'))
assert_equal(-TYPE_CHAR, parse_ctype('unsigned char'))
assert_equal(-TYPE_CHAR, parse_ctype('const unsigned char'))
end
def test_short_ctype
assert_equal(TYPE_SHORT, parse_ctype('short'))
assert_equal(TYPE_SHORT, parse_ctype('const short'))
assert_equal(TYPE_SHORT, parse_ctype('short int'))
assert_equal(TYPE_SHORT, parse_ctype('const short int'))
assert_equal(TYPE_SHORT, parse_ctype('signed short'))
assert_equal(TYPE_SHORT, parse_ctype('const signed short'))
assert_equal(TYPE_SHORT, parse_ctype('signed short int'))
assert_equal(TYPE_SHORT, parse_ctype('const signed short int'))
assert_equal(-TYPE_SHORT, parse_ctype('unsigned short'))
assert_equal(-TYPE_SHORT, parse_ctype('const unsigned short'))
assert_equal(-TYPE_SHORT, parse_ctype('unsigned short int'))
assert_equal(-TYPE_SHORT, parse_ctype('const unsigned short int'))
end
def test_int_ctype
assert_equal(TYPE_INT, parse_ctype('int'))
assert_equal(TYPE_INT, parse_ctype('const int'))
assert_equal(TYPE_INT, parse_ctype('signed int'))
assert_equal(TYPE_INT, parse_ctype('const signed int'))
assert_equal(-TYPE_INT, parse_ctype('uint'))
assert_equal(-TYPE_INT, parse_ctype('const uint'))
assert_equal(-TYPE_INT, parse_ctype('unsigned int'))
assert_equal(-TYPE_INT, parse_ctype('const unsigned int'))
end
def test_long_ctype
assert_equal(TYPE_LONG, parse_ctype('long'))
assert_equal(TYPE_LONG, parse_ctype('const long'))
assert_equal(TYPE_LONG, parse_ctype('long int'))
assert_equal(TYPE_LONG, parse_ctype('const long int'))
assert_equal(TYPE_LONG, parse_ctype('signed long'))
assert_equal(TYPE_LONG, parse_ctype('const signed long'))
assert_equal(TYPE_LONG, parse_ctype('signed long int'))
assert_equal(TYPE_LONG, parse_ctype('const signed long int'))
assert_equal(-TYPE_LONG, parse_ctype('unsigned long'))
assert_equal(-TYPE_LONG, parse_ctype('const unsigned long'))
assert_equal(-TYPE_LONG, parse_ctype('unsigned long int'))
assert_equal(-TYPE_LONG, parse_ctype('const unsigned long int'))
end
def test_size_t_ctype
assert_equal(TYPE_SIZE_T, parse_ctype("size_t"))
assert_equal(TYPE_SIZE_T, parse_ctype("const size_t"))
end
def test_ssize_t_ctype
assert_equal(TYPE_SSIZE_T, parse_ctype("ssize_t"))
assert_equal(TYPE_SSIZE_T, parse_ctype("const ssize_t"))
end
def test_ptrdiff_t_ctype
assert_equal(TYPE_PTRDIFF_T, parse_ctype("ptrdiff_t"))
assert_equal(TYPE_PTRDIFF_T, parse_ctype("const ptrdiff_t"))
end
def test_intptr_t_ctype
assert_equal(TYPE_INTPTR_T, parse_ctype("intptr_t"))
assert_equal(TYPE_INTPTR_T, parse_ctype("const intptr_t"))
end
def test_uintptr_t_ctype
assert_equal(TYPE_UINTPTR_T, parse_ctype("uintptr_t"))
assert_equal(TYPE_UINTPTR_T, parse_ctype("const uintptr_t"))
end
def test_undefined_ctype
assert_raise(DLError) { parse_ctype('DWORD') }
end
def test_undefined_ctype_with_type_alias
assert_equal(-TYPE_LONG,
parse_ctype('DWORD', {"DWORD" => "unsigned long"}))
assert_equal(-TYPE_LONG,
parse_ctype('const DWORD', {"DWORD" => "unsigned long"}))
end
def expand_struct_types(types)
types.collect do |type|
case type
when Class
[expand_struct_types(type.types)]
when Array
[expand_struct_types([type[0]])[0][0], type[1]]
else
type
end
end
end
def test_struct_basic
assert_equal([[TYPE_INT, TYPE_CHAR], ['i', 'c']],
parse_struct_signature(['int i', 'char c']))
assert_equal([[TYPE_INT, TYPE_CHAR], ['i', 'c']],
parse_struct_signature(['const int i', 'const char c']))
end
def test_struct_array
assert_equal([[[TYPE_CHAR, 80], [TYPE_INT, 5]],
['buffer', 'x']],
parse_struct_signature(['char buffer[80]',
'int[5] x']))
assert_equal([[[TYPE_CHAR, 80], [TYPE_INT, 5]],
['buffer', 'x']],
parse_struct_signature(['const char buffer[80]',
'const int[5] x']))
end
def test_struct_nested_struct
types, members = parse_struct_signature([
'int x',
{inner: ['int i', 'char c']},
])
assert_equal([[TYPE_INT, [[TYPE_INT, TYPE_CHAR]]],
['x', ['inner', ['i', 'c']]]],
[expand_struct_types(types),
members])
end
def test_struct_nested_defined_struct
inner = Fiddle::Importer.struct(['int i', 'char c'])
assert_equal([[TYPE_INT, inner],
['x', ['inner', ['i', 'c']]]],
parse_struct_signature([
'int x',
{inner: inner},
]))
end
def test_struct_double_nested_struct
types, members = parse_struct_signature([
'int x',
{
outer: [
'int y',
{inner: ['int i', 'char c']},
],
},
])
assert_equal([[TYPE_INT, [[TYPE_INT, [[TYPE_INT, TYPE_CHAR]]]]],
['x', ['outer', ['y', ['inner', ['i', 'c']]]]]],
[expand_struct_types(types),
members])
end
def test_struct_nested_struct_array
types, members = parse_struct_signature([
'int x',
{
'inner[2]' => [
'int i',
'char c',
],
},
])
assert_equal([[TYPE_INT, [[TYPE_INT, TYPE_CHAR], 2]],
['x', ['inner', ['i', 'c']]]],
[expand_struct_types(types),
members])
end
def test_struct_double_nested_struct_inner_array
types, members = parse_struct_signature(outer: [
'int x',
{
'inner[2]' => [
'int i',
'char c',
],
},
])
assert_equal([[[[TYPE_INT, [[TYPE_INT, TYPE_CHAR], 2]]]],
[['outer', ['x', ['inner', ['i', 'c']]]]]],
[expand_struct_types(types),
members])
end
def test_struct_double_nested_struct_outer_array
types, members = parse_struct_signature([
'int x',
{
'outer[2]' => {
inner: [
'int i',
'char c',
],
},
},
])
assert_equal([[TYPE_INT, [[[[TYPE_INT, TYPE_CHAR]]], 2]],
['x', ['outer', [['inner', ['i', 'c']]]]]],
[expand_struct_types(types),
members])
end
def test_struct_array_str
assert_equal([[[TYPE_CHAR, 80], [TYPE_INT, 5]],
['buffer', 'x']],
parse_struct_signature('char buffer[80], int[5] x'))
assert_equal([[[TYPE_CHAR, 80], [TYPE_INT, 5]],
['buffer', 'x']],
parse_struct_signature('const char buffer[80], const int[5] x'))
end
def test_struct_function_pointer
assert_equal([[TYPE_VOIDP], ['cb']],
parse_struct_signature(['void (*cb)(const char*)']))
end
def test_struct_function_pointer_str
assert_equal([[TYPE_VOIDP, TYPE_VOIDP], ['cb', 'data']],
parse_struct_signature('void (*cb)(const char*), const char* data'))
end
def test_struct_string
assert_equal [[TYPE_INT,TYPE_VOIDP,TYPE_VOIDP], ['x', 'cb', 'name']], parse_struct_signature('int x; void (*cb)(); const char* name')
end
def test_struct_undefined
assert_raise(DLError) { parse_struct_signature(['int i', 'DWORD cb']) }
end
def test_struct_undefined_with_type_alias
assert_equal [[TYPE_INT,-TYPE_LONG], ['i', 'cb']], parse_struct_signature(['int i', 'DWORD cb'], {"DWORD" => "unsigned long"})
end
def test_signature_basic
func, ret, args = parse_signature('void func()')
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [], args
end
def test_signature_semi
func, ret, args = parse_signature('void func();')
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [], args
end
def test_signature_void_arg
func, ret, args = parse_signature('void func(void)')
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [], args
end
def test_signature_type_args
types = [
'char', 'unsigned char',
'short', 'unsigned short',
'int', 'unsigned int',
'long', 'unsigned long',
defined?(TYPE_LONG_LONG) && \
[
'long long', 'unsigned long long',
],
'float', 'double',
'const char*', 'void*',
].flatten.compact
func, ret, args = parse_signature("void func(#{types.join(',')})")
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [
TYPE_CHAR, -TYPE_CHAR,
TYPE_SHORT, -TYPE_SHORT,
TYPE_INT, -TYPE_INT,
TYPE_LONG, -TYPE_LONG,
defined?(TYPE_LONG_LONG) && \
[
TYPE_LONG_LONG, -TYPE_LONG_LONG,
],
TYPE_FLOAT, TYPE_DOUBLE,
TYPE_VOIDP, TYPE_VOIDP,
].flatten.compact, args
end
def test_signature_single_variable
func, ret, args = parse_signature('void func(int x)')
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [TYPE_INT], args
end
def test_signature_multiple_variables
func, ret, args = parse_signature('void func(int x, const char* s)')
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [TYPE_INT, TYPE_VOIDP], args
end
def test_signature_array_variable
func, ret, args = parse_signature('void func(int x[], int y[40])')
assert_equal 'func', func
assert_equal TYPE_VOID, ret
assert_equal [TYPE_VOIDP, TYPE_VOIDP], args
end
def test_signature_function_pointer
func, ret, args = parse_signature('int func(int (*sum)(int x, int y), int x, int y)')
assert_equal 'func', func
assert_equal TYPE_INT, ret
assert_equal [TYPE_VOIDP, TYPE_INT, TYPE_INT], args
end
def test_signature_variadic_arguments
unless Fiddle.const_defined?("TYPE_VARIADIC")
skip "libffi doesn't support variadic arguments"
end
assert_equal([
"printf",
TYPE_INT,
[TYPE_VOIDP, TYPE_VARIADIC],
],
parse_signature('int printf(const char *format, ...)'))
end
def test_signature_return_pointer
func, ret, args = parse_signature('void* malloc(size_t)')
assert_equal 'malloc', func
assert_equal TYPE_VOIDP, ret
assert_equal [TYPE_SIZE_T], args
end
def test_signature_return_array
func, ret, args = parse_signature('int (*func())[32]')
assert_equal 'func', func
assert_equal TYPE_VOIDP, ret
assert_equal [], args
end
def test_signature_return_array_with_args
func, ret, args = parse_signature('int (*func(const char* s))[]')
assert_equal 'func', func
assert_equal TYPE_VOIDP, ret
assert_equal [TYPE_VOIDP], args
end
def test_signature_return_function_pointer
func, ret, args = parse_signature('int (*func())(int x, int y)')
assert_equal 'func', func
assert_equal TYPE_VOIDP, ret
assert_equal [], args
end
def test_signature_return_function_pointer_with_args
func, ret, args = parse_signature('int (*func(int z))(int x, int y)')
assert_equal 'func', func
assert_equal TYPE_VOIDP, ret
assert_equal [TYPE_INT], args
end
end
end if defined?(Fiddle)
|
