def test_glfw_modules(self) -> None:
from kitty.constants import glfw_path, is_macos
linux_backends = ['x11']
if not self.is_ci:
linux_backends.append('wayland')
modules = ['cocoa'] if is_macos else linux_backends
for name in modules:
path = glfw_path(name)
self.assertTrue(os.path.isfile(path), f'{path} is not a file')
self.assertTrue(os.access(path, os.X_OK), f'{path} is not executable')
def test_utf_8_strndup(self):
import ctypes
from kitty.constants import glfw_path
backend_utils = glfw_path('x11')
lib = ctypes.CDLL(backend_utils)
libc = ctypes.CDLL(None)
class allocated_c_char_p(ctypes.c_char_p):
def __del__(self):
libc.free(self)
utf_8_strndup = lib.utf_8_strndup
utf_8_strndup.restype = allocated_c_char_p
utf_8_strndup.argtypes = (ctypes.c_char_p, ctypes.c_size_t)
def test(string):
string_bytes = bytes(string, 'utf-8')
prev_part_bytes = b''
prev_length_bytes = -1
for length in range(len(string) + 1):
part = string[:length]
part_bytes = bytes(part, 'utf-8')
length_bytes = len(part_bytes)
for length_bytes_2 in range(prev_length_bytes + 1,
length_bytes):
self.ae(
utf_8_strndup(string_bytes, length_bytes_2).value,
prev_part_bytes)
self.ae(
utf_8_strndup(string_bytes, length_bytes).value,
part_bytes)
prev_part_bytes = part_bytes
prev_length_bytes = length_bytes
self.ae(
utf_8_strndup(string_bytes,
len(string_bytes) + 1).value, string_bytes
) # Try to go one character after the end of the string
self.ae(utf_8_strndup(None, 2).value, None)
self.ae(utf_8_strndup(b'', 2).value, b'')
test('ö')
test('>a<')
test('>ä<')
test('>ế<')
test('>�<')
test('∮ E⋅da = Q, n → ∞, �∑ f(i) = � g(i)')