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# frozen_string_literal: true
begin
require_relative 'helper'
require 'fiddle/cparser'
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('signed char'))
assert_equal(-TYPE_CHAR, parse_ctype('unsigned char'))
end
def test_short_ctype
assert_equal(TYPE_SHORT, parse_ctype('short'))
assert_equal(TYPE_SHORT, parse_ctype('short int'))
assert_equal(TYPE_SHORT, parse_ctype('signed short'))
assert_equal(TYPE_SHORT, parse_ctype('signed short int'))
assert_equal(-TYPE_SHORT, parse_ctype('unsigned short'))
assert_equal(-TYPE_SHORT, parse_ctype('unsigned short int'))
end
def test_int_ctype
assert_equal(TYPE_INT, parse_ctype('int'))
assert_equal(TYPE_INT, parse_ctype('signed int'))
assert_equal(-TYPE_INT, parse_ctype('uint'))
assert_equal(-TYPE_INT, parse_ctype('unsigned int'))
end
def test_long_ctype
assert_equal(TYPE_LONG, parse_ctype('long'))
assert_equal(TYPE_LONG, parse_ctype('long int'))
assert_equal(TYPE_LONG, parse_ctype('signed long'))
assert_equal(TYPE_LONG, parse_ctype('signed long int'))
assert_equal(-TYPE_LONG, parse_ctype('unsigned long'))
assert_equal(-TYPE_LONG, parse_ctype('unsigned long int'))
end
def test_size_t_ctype
assert_equal(TYPE_SIZE_T, parse_ctype("size_t"))
end
def test_ssize_t_ctype
assert_equal(TYPE_SSIZE_T, parse_ctype("ssize_t"))
end
def test_ptrdiff_t_ctype
assert_equal(TYPE_PTRDIFF_T, parse_ctype("ptrdiff_t"))
end
def test_intptr_t_ctype
assert_equal(TYPE_INTPTR_T, parse_ctype("intptr_t"))
end
def test_uintptr_t_ctype
assert_equal(TYPE_UINTPTR_T, parse_ctype("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"}))
end
def test_struct_basic
assert_equal [[TYPE_INT, TYPE_CHAR], ['i', 'c']], parse_struct_signature(['int i', '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'])
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')
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_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)
|
