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Diffstat (limited to 'tools/testing/selftests/hid/tests/test_hid_core.py')
| -rw-r--r-- | tools/testing/selftests/hid/tests/test_hid_core.py | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/tools/testing/selftests/hid/tests/test_hid_core.py b/tools/testing/selftests/hid/tests/test_hid_core.py new file mode 100644 index 000000000000..9a7fe40020d2 --- /dev/null +++ b/tools/testing/selftests/hid/tests/test_hid_core.py @@ -0,0 +1,154 @@ +#!/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +# -*- coding: utf-8 -*- +# +# Copyright (c) 2017 Benjamin Tissoires <benjamin.tissoires@gmail.com> +# Copyright (c) 2017 Red Hat, Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +# This is for generic devices + +from . import base +import logging + +logger = logging.getLogger("hidtools.test.hid") + + +class TestCollectionOverflow(base.BaseTestCase.TestUhid): + """ + Test class to test re-allocation of the HID collection stack in + hid-core.c. + """ + + def create_device(self): + # fmt: off + report_descriptor = [ + 0x05, 0x01, # .Usage Page (Generic Desktop) + 0x09, 0x02, # .Usage (Mouse) + 0xa1, 0x01, # .Collection (Application) + 0x09, 0x02, # ..Usage (Mouse) + 0xa1, 0x02, # ..Collection (Logical) + 0x09, 0x01, # ...Usage (Pointer) + 0xa1, 0x00, # ...Collection (Physical) + 0x05, 0x09, # ....Usage Page (Button) + 0x19, 0x01, # ....Usage Minimum (1) + 0x29, 0x03, # ....Usage Maximum (3) + 0x15, 0x00, # ....Logical Minimum (0) + 0x25, 0x01, # ....Logical Maximum (1) + 0x75, 0x01, # ....Report Size (1) + 0x95, 0x03, # ....Report Count (3) + 0x81, 0x02, # ....Input (Data,Var,Abs) + 0x75, 0x05, # ....Report Size (5) + 0x95, 0x01, # ....Report Count (1) + 0x81, 0x03, # ....Input (Cnst,Var,Abs) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0xa1, 0x02, # ....Collection (Logical) + 0x09, 0x01, # .....Usage (Pointer) + 0x05, 0x01, # .....Usage Page (Generic Desktop) + 0x09, 0x30, # .....Usage (X) + 0x09, 0x31, # .....Usage (Y) + 0x15, 0x81, # .....Logical Minimum (-127) + 0x25, 0x7f, # .....Logical Maximum (127) + 0x75, 0x08, # .....Report Size (8) + 0x95, 0x02, # .....Report Count (2) + 0x81, 0x06, # .....Input (Data,Var,Rel) + 0xa1, 0x02, # ...Collection (Logical) + 0x85, 0x12, # ....Report ID (18) + 0x09, 0x48, # ....Usage (Resolution Multiplier) + 0x95, 0x01, # ....Report Count (1) + 0x75, 0x02, # ....Report Size (2) + 0x15, 0x00, # ....Logical Minimum (0) + 0x25, 0x01, # ....Logical Maximum (1) + 0x35, 0x01, # ....Physical Minimum (1) + 0x45, 0x0c, # ....Physical Maximum (12) + 0xb1, 0x02, # ....Feature (Data,Var,Abs) + 0x85, 0x1a, # ....Report ID (26) + 0x09, 0x38, # ....Usage (Wheel) + 0x35, 0x00, # ....Physical Minimum (0) + 0x45, 0x00, # ....Physical Maximum (0) + 0x95, 0x01, # ....Report Count (1) + 0x75, 0x10, # ....Report Size (16) + 0x16, 0x01, 0x80, # ....Logical Minimum (-32767) + 0x26, 0xff, 0x7f, # ....Logical Maximum (32767) + 0x81, 0x06, # ....Input (Data,Var,Rel) + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ...End Collection + 0xc0, # ..End Collection + 0xc0, # .End Collection + ] + # fmt: on + return base.UHIDTestDevice( + name=None, rdesc=report_descriptor, application="Mouse" + ) + + def test_rdesc(self): + """ + This test can only check for negatives. If the kernel crashes, you + know why. If this test passes, either the bug isn't present or just + didn't get triggered. No way to know. + + For an explanation, see kernel patch + HID: core: replace the collection tree pointers with indices + """ + pass |