[RESEND,libgpiod,v2,07/18] bindings: glib: add tests

Message ID	20240628-dbus-v2-7-c1331ac17cb8@linaro.org
State	New
Headers	show Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53A94558B7 for <linux-gpio@vger.kernel.org>; Fri, 28 Jun 2024 18:59:07 +0000 (UTC) From: Bartosz Golaszewski <brgl@bgdev.pl> Date: Fri, 28 Jun 2024 20:58:26 +0200 Subject: [PATCH RESEND libgpiod v2 07/18] bindings: glib: add tests Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240628-dbus-v2-7-c1331ac17cb8@linaro.org> References: <20240628-dbus-v2-0-c1331ac17cb8@linaro.org> In-Reply-To: <20240628-dbus-v2-0-c1331ac17cb8@linaro.org> To: Linus Walleij <linus.walleij@linaro.org>, Kent Gibson <warthog618@gmail.com>, Erik Schilling <erik.schilling@linaro.org>, Phil Howard <phil@gadgetoid.com>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Viresh Kumar <viresh.kumar@linaro.org>, Dan Carpenter <dan.carpenter@linaro.org> Cc: "As advised by Dan Carpenter - I'm CC'ing dbus"@lists.freedesktop.orgto, linux-gpio@vger.kernel.org, dbus@lists.freedesktop.org, Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Series	dbus: add GLib-based DBus daemon and command-line client \| expand [RESEND,libgpiod,v2,00/18] dbus: add GLib-based DBus daemon and command-line client [RESEND,libgpiod,v2,01/18] tests: split out reusable test code into a local static library [RESEND,libgpiod,v2,02/18] tests: split out the common test code for bash scripts [RESEND,libgpiod,v2,03/18] bindings: glib: add build files [RESEND,libgpiod,v2,04/18] bindings: glib: add public headers [RESEND,libgpiod,v2,05/18] bindings: glib: add core code [RESEND,libgpiod,v2,06/18] bindings: glib: add examples [RESEND,libgpiod,v2,07/18] bindings: glib: add tests [RESEND,libgpiod,v2,08/18] README: document GLib bindings [RESEND,libgpiod,v2,09/18] dbus: add build files [RESEND,libgpiod,v2,10/18] dbus: add the API definitions [RESEND,libgpiod,v2,11/18] dbus: add a wrapper around the gdbus-codegen generated header [RESEND,libgpiod,v2,12/18] dbus: add data files [RESEND,libgpiod,v2,13/18] dbus: add gpio-manager code [RESEND,libgpiod,v2,14/18] dbus: add tests [RESEND,libgpiod,v2,15/18] dbus: add a command-line client [RESEND,libgpiod,v2,16/18] dbus: client: add tests [RESEND,libgpiod,v2,17/18] README: document the DBus API [RESEND,libgpiod,v2,18/18] TODO: drop the DBus daemon from the list

diff --git a/bindings/glib/tests/helpers.c b/bindings/glib/tests/helpers.c new file mode 100644 index 0000000..d77f2b8 --- /dev/null +++ b/bindings/glib/tests/helpers.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include "helpers.h" + +GArray *gpiod_glib_test_array_from_const(gconstpointer data, gsize len, + gsize elem_size) +{ + GArray *arr = g_array_new(FALSE, TRUE, elem_size); + + return g_array_append_vals(arr, data, len); +} diff --git a/bindings/glib/tests/helpers.h b/bindings/glib/tests/helpers.h new file mode 100644 index 0000000..2eda6a7 --- /dev/null +++ b/bindings/glib/tests/helpers.h @@ -0,0 +1,139 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> */ + +#ifndef __GPIOD_GLIB_TEST_HELPERS_H__ +#define __GPIOD_GLIB_TEST_HELPERS_H__ + +#include <glib.h> +#include <gpiod-test-common.h> + +#define gpiod_glib_test_new_chip_or_fail(_path) \ + ({ \ + g_autoptr(GError) _err = NULL; \ + GPIODChip *_chip = g_gpiod_chip_new(_path, &_err); \ + g_assert_nonnull(_chip); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + _chip; \ + }) + +#define gpiod_glib_test_chip_get_info_or_fail(_chip) \ + ({ \ + g_autoptr(GError) _err = NULL; \ + GPIODChipInfo *_info = g_gpiod_chip_get_info(_chip, &_err); \ + g_assert_nonnull(_info); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + _info; \ + }) + +#define gpiod_glib_test_chip_get_line_info_or_fail(_chip, _offset) \ + ({ \ + g_autoptr(GError) _err = NULL; \ + GPIODLineInfo *_info = g_gpiod_chip_get_line_info(_chip, \ + _offset, \ + &_err); \ + g_assert_nonnull(_info); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + _info; \ + }) + +#define gpiod_glib_test_chip_watch_line_info_or_fail(_chip, _offset) \ + ({ \ + g_autoptr(GError) _err = NULL; \ + GPIODLineInfo *_info = g_gpiod_chip_watch_line_info(_chip, \ + _offset, \ + &_err); \ + g_assert_nonnull(_info); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + _info; \ + }) + +#define gpiod_glib_test_chip_unwatch_line_info_or_fail(_chip, _offset) \ + do { \ + g_autoptr(GError) _err = NULL; \ + gboolean ret = \ + g_gpiod_chip_unwatch_line_info(_chip, _offset, &_err); \ + g_assert_true(ret); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + } while (0) + +#define gpiod_glib_test_line_config_add_line_settings_or_fail(_config, \ + _offsets, \ + _settings) \ + do { \ + g_autoptr(GError) _err = NULL; \ + gboolean _ret = \ + g_gpiod_line_config_add_line_settings(_config, \ + _offsets,\ + _settings, \ + &_err); \ + g_assert_true(_ret); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + } while (0) + +#define gpiod_glib_test_line_config_get_line_settings_or_fail(_config, \ + _offset) \ + ({ \ + GPIODLineSettings *_settings = \ + g_gpiod_line_config_get_line_settings(_config, \ + _offset); \ + g_assert_nonnull(_settings); \ + gpiod_test_return_if_failed(); \ + _settings; \ + }) + +#define gpiod_glib_test_line_config_set_output_values_or_fail(_config, \ + _values) \ + do { \ + g_autoptr(GError) _err = NULL; \ + gboolean _ret = \ + g_gpiod_line_config_set_output_values(_config, \ + _values, \ + &_err); \ + g_assert_true(_ret); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + } while (0) + +#define gpiod_glib_test_chip_request_lines_or_fail(_chip, _req_cfg, _line_cfg) \ + ({ \ + g_autoptr(GError) _err = NULL; \ + GPIODLineRequest *_req = \ + g_gpiod_chip_request_lines(_chip, _req_cfg, \ + _line_cfg, &_err); \ + g_assert_nonnull(_req); \ + g_assert_no_error(_err); \ + gpiod_test_return_if_failed(); \ + _req; \ + }) + +#define gpiod_glib_test_request_lines_or_fail(_path, _req_cfg, _line_cfg) \ + ({ \ + g_autoptr(GPIODChip) _chip = \ + gpiod_glib_test_new_chip_or_fail(_path); \ + GPIODLineRequest *_req = \ + gpiod_glib_test_chip_request_lines_or_fail(_chip, \ + _req_cfg, \ + _line_cfg); \ + _req; \ + }) + +#define gpiod_glib_test_check_error_or_fail(_err, _domain, _code) \ + do { \ + g_assert_nonnull(_err); \ + gpiod_test_return_if_failed(); \ + g_assert_cmpint(_domain, ==, (_err)->domain); \ + g_assert_cmpint(_code, ==, (_err)->code); \ + gpiod_test_return_if_failed(); \ + } while (0) + +GArray *gpiod_glib_test_array_from_const(const gconstpointer data, gsize len, + gsize elem_size); + +#endif /* __GPIOD_GLIB_TEST_HELPERS_H__ */ + diff --git a/bindings/glib/tests/tests-chip-info.c b/bindings/glib/tests/tests-chip-info.c new file mode 100644 index 0000000..7741ccb --- /dev/null +++ b/bindings/glib/tests/tests-chip-info.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/chip-info" + +GPIOD_TEST_CASE(get_name) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODChipInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + info = gpiod_glib_test_chip_get_info_or_fail(chip); + + g_assert_cmpstr(g_gpiod_chip_info_get_name(info), ==, + g_gpiosim_chip_get_name(sim)); +} + +GPIOD_TEST_CASE(get_label) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("label", "foobar", + NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODChipInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + info = gpiod_glib_test_chip_get_info_or_fail(chip); + + g_assert_cmpstr(g_gpiod_chip_info_get_label(info), ==, "foobar"); +} + +GPIOD_TEST_CASE(get_num_lines) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 16, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODChipInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + info = gpiod_glib_test_chip_get_info_or_fail(chip); + + g_assert_cmpuint(g_gpiod_chip_info_get_num_lines(info), ==, 16); +} diff --git a/bindings/glib/tests/tests-chip.c b/bindings/glib/tests/tests-chip.c new file mode 100644 index 0000000..b7c5aff --- /dev/null +++ b/bindings/glib/tests/tests-chip.c @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <glib.h> +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/chip" + +GPIOD_TEST_CASE(open_chip_good) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + + chip = g_gpiod_chip_new(g_gpiosim_chip_get_dev_path(sim), &err); + g_assert_nonnull(chip); + g_assert_null(err); +} + +GPIOD_TEST_CASE(open_chip_nonexistent) +{ + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + + chip = g_gpiod_chip_new("/dev/nonexistent", &err); + g_assert_null(chip); + gpiod_glib_test_check_error_or_fail(err, G_GPIOD_ERROR, + G_GPIOD_ERR_NOENT); +} + +GPIOD_TEST_CASE(open_chip_not_a_character_device) +{ + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + + chip = g_gpiod_chip_new("/tmp", &err); + g_assert_null(chip); + gpiod_glib_test_check_error_or_fail(err, G_GPIOD_ERROR, + G_GPIOD_ERR_NOTTY); +} + +GPIOD_TEST_CASE(open_chip_not_a_gpio_device) +{ + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + + chip = g_gpiod_chip_new("/dev/null", &err); + g_assert_null(chip); + gpiod_glib_test_check_error_or_fail(err, G_GPIOD_ERROR, + G_GPIOD_ERR_NODEV); +} + +GPIOD_TEST_CASE(get_chip_path) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + g_autoptr(GPIODChip) chip = NULL; + const gchar *path = g_gpiosim_chip_get_dev_path(sim); + + chip = gpiod_glib_test_new_chip_or_fail(path); + + g_assert_cmpstr(g_gpiod_chip_get_path(chip), ==, path); +} + +GPIOD_TEST_CASE(closed_chip) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + g_autoptr(GPIODChipInfo) info = NULL; + const gchar *path = g_gpiosim_chip_get_dev_path(sim); + + chip = gpiod_glib_test_new_chip_or_fail(path); + + g_gpiod_chip_close(chip); + + info = g_gpiod_chip_get_info(chip, &err); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_CHIP_CLOSED); + + /* Properties still work. */ + g_assert_cmpstr(g_gpiod_chip_get_path(chip), ==, path); +} + +GPIOD_TEST_CASE(find_line_bad) +{ + static const GPIOSimLineName names[] = { + { .offset = 1, .name = "foo", }, + { .offset = 2, .name = "bar", }, + { .offset = 4, .name = "baz", }, + { .offset = 5, .name = "xyz", }, + { } + }; + + g_autoptr(GVariant) vnames = g_gpiosim_package_line_names(names); + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, + "line-names", vnames, + NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + guint offset; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + g_assert_false(g_gpiod_chip_get_line_offset_from_name(chip, + "nonexistent", + &offset, &err)); + g_assert_no_error(err); +} + +GPIOD_TEST_CASE(find_line_good) +{ + static const GPIOSimLineName names[] = { + { .offset = 1, .name = "foo", }, + { .offset = 2, .name = "bar", }, + { .offset = 4, .name = "baz", }, + { .offset = 5, .name = "xyz", }, + { } + }; + + g_autoptr(GVariant) vnames = g_gpiosim_package_line_names(names); + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, + "line-names", vnames, + NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + guint offset; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + g_assert_true(g_gpiod_chip_get_line_offset_from_name(chip, "baz", + &offset, &err)); + g_assert_no_error(err); + g_assert_cmpuint(offset, ==, 4); +} + +/* Verify that for duplicated line names, the first one is returned. */ +GPIOD_TEST_CASE(find_line_duplicate) +{ + static const GPIOSimLineName names[] = { + { .offset = 1, .name = "foo", }, + { .offset = 2, .name = "baz", }, + { .offset = 4, .name = "baz", }, + { .offset = 5, .name = "xyz", }, + { } + }; + + g_autoptr(GVariant) vnames = g_gpiosim_package_line_names(names); + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, + "line-names", vnames, + NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + guint offset; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + g_assert_true(g_gpiod_chip_get_line_offset_from_name(chip, "baz", + &offset, &err)); + g_assert_no_error(err); + g_assert_cmpuint(offset, ==, 2); +} + +GPIOD_TEST_CASE(find_line_null_name) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + guint offset; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + g_assert_false(g_gpiod_chip_get_line_offset_from_name(chip, NULL, + &offset, &err)); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} diff --git a/bindings/glib/tests/tests-edge-event.c b/bindings/glib/tests/tests-edge-event.c new file mode 100644 index 0000000..fbebcd3 --- /dev/null +++ b/bindings/glib/tests/tests-edge-event.c @@ -0,0 +1,226 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/edge-event" + +static gpointer falling_and_rising_edge_events(gpointer data) +{ + GPIOSimChip *sim = data; + + g_usleep(1000); + + g_gpiosim_chip_set_pull(sim, 2, G_GPIOSIM_PULL_UP); + + g_usleep(1000); + + g_gpiosim_chip_set_pull(sim, 2, G_GPIOSIM_PULL_DOWN); + + return NULL; +} + +typedef struct { + gboolean rising; + gboolean falling; + gboolean failed; + guint64 falling_ts; + guint64 rising_ts; + guint falling_offset; + guint rising_offset; +} EdgeEventCallbackData; + +static void on_edge_event(GPIODLineRequest *request G_GNUC_UNUSED, + GPIODEdgeEvent *event, gpointer data) +{ + EdgeEventCallbackData *cb_data = data; + + if (g_gpiod_edge_event_get_event_type(event) == + G_GPIOD_EDGE_EVENT_FALLING_EDGE) { + cb_data->falling = TRUE; + cb_data->falling_ts = + g_gpiod_edge_event_get_timestamp_ns(event); + cb_data->falling_offset = + g_gpiod_edge_event_get_line_offset(event); + } else { + cb_data->rising = TRUE; + cb_data->rising_ts = + g_gpiod_edge_event_get_timestamp_ns(event); + cb_data->rising_offset = + g_gpiod_edge_event_get_line_offset(event); + } +} + +static gboolean on_timeout(gpointer data) +{ + EdgeEventCallbackData *cb_data = data; + + g_test_fail_printf("timeout while waiting for edge events"); + cb_data->failed = TRUE; + + return G_SOURCE_CONTINUE; +} + +GPIOD_TEST_CASE(read_both_events) +{ + static const guint offset = 2; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GThread) thread = NULL; + EdgeEventCallbackData cb_data = { }; + guint timeout_id; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, + "edge-detection", G_GPIOD_LINE_EDGE_BOTH, NULL); + config = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + settings); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, NULL, + config); + + g_signal_connect(request, "edge-event", + G_CALLBACK(on_edge_event), &cb_data); + timeout_id = g_timeout_add_seconds(5, on_timeout, &cb_data); + + thread = g_thread_new("rising-falling-edge-events", + falling_and_rising_edge_events, sim); + g_thread_ref(thread); + + while (!cb_data.failed && (!cb_data.falling || !cb_data.rising)) + g_main_context_iteration(NULL, TRUE); + + g_source_remove(timeout_id); + g_thread_join(thread); + + g_assert_cmpuint(cb_data.falling_ts, >, cb_data.rising_ts); + g_assert_cmpuint(cb_data.falling_offset, ==, offset); + g_assert_cmpuint(cb_data.rising_offset, ==, offset); +} + +typedef struct { + gboolean failed; + gboolean first; + gboolean second; + guint first_offset; + guint second_offset; + gulong first_line_seqno; + gulong second_line_seqno; + gulong first_global_seqno; + gulong second_global_seqno; +} SeqnoCallbackData; + +static void on_seqno_edge_event(GPIODLineRequest *request G_GNUC_UNUSED, + GPIODEdgeEvent *event, gpointer data) +{ + SeqnoCallbackData *cb_data = data; + + if (!cb_data->first) { + cb_data->first_offset = + g_gpiod_edge_event_get_line_offset(event); + cb_data->first_line_seqno = + g_gpiod_edge_event_get_line_seqno(event); + cb_data->first_global_seqno = + g_gpiod_edge_event_get_global_seqno(event); + cb_data->first = TRUE; + } else { + cb_data->second_offset = + g_gpiod_edge_event_get_line_offset(event); + cb_data->second_line_seqno = + g_gpiod_edge_event_get_line_seqno(event); + cb_data->second_global_seqno = + g_gpiod_edge_event_get_global_seqno(event); + cb_data->second = TRUE; + } +} + +static gpointer rising_edge_events_on_two_offsets(gpointer data) +{ + GPIOSimChip *sim = data; + + g_usleep(1000); + + g_gpiosim_chip_set_pull(sim, 2, G_GPIOSIM_PULL_UP); + + g_usleep(1000); + + g_gpiosim_chip_set_pull(sim, 3, G_GPIOSIM_PULL_UP); + + return NULL; +} + +static gboolean on_seqno_timeout(gpointer data) +{ + SeqnoCallbackData *cb_data = data; + + g_test_fail_printf("timeout while waiting for edge events"); + cb_data->failed = TRUE; + + return G_SOURCE_CONTINUE; +} + +GPIOD_TEST_CASE(seqno) +{ + static const guint offset_vals[] = { 2, 3 }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GThread) thread = NULL; + SeqnoCallbackData cb_data = { }; + guint timeout_id; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, + "edge-detection", G_GPIOD_LINE_EDGE_BOTH, NULL); + config = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offset_vals, 2, + sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + settings); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, NULL, + config); + g_signal_connect(request, "edge-event", + G_CALLBACK(on_seqno_edge_event), &cb_data); + + timeout_id = g_timeout_add_seconds(5, on_seqno_timeout, &cb_data); + + thread = g_thread_new("two-rising-edge-events", + rising_edge_events_on_two_offsets, sim); + g_thread_ref(thread); + + while (!cb_data.failed && (!cb_data.first || !cb_data.second)) + g_main_context_iteration(NULL, TRUE); + + g_source_remove(timeout_id); + g_thread_join(thread); + + g_assert_cmpuint(cb_data.first_offset, ==, 2); + g_assert_cmpuint(cb_data.second_offset, ==, 3); + g_assert_cmpuint(cb_data.first_line_seqno, ==, 1); + g_assert_cmpuint(cb_data.second_line_seqno, ==, 1); + g_assert_cmpuint(cb_data.first_global_seqno, ==, 1); + g_assert_cmpuint(cb_data.second_global_seqno, ==, 2); +} diff --git a/bindings/glib/tests/tests-info-event.c b/bindings/glib/tests/tests-info-event.c new file mode 100644 index 0000000..1884e0b --- /dev/null +++ b/bindings/glib/tests/tests-info-event.c @@ -0,0 +1,321 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/info-event" + +GPIOD_TEST_CASE(watching_info_events_returns_line_info) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + info = gpiod_glib_test_chip_watch_line_info_or_fail(chip, 3); + g_assert_cmpuint(g_gpiod_line_info_get_offset(info), ==, 3); +} + +GPIOD_TEST_CASE(try_offset_of_out_range) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + g_autoptr(GError) err = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + info = g_gpiod_chip_watch_line_info(chip, 11, &err); + g_assert_null(info); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +static void on_bad_info_event(GPIODChip *chip G_GNUC_UNUSED, + GPIODInfoEvent *event G_GNUC_UNUSED, + gpointer data G_GNUC_UNUSED) +{ + g_test_fail_printf("unexpected info event received"); +} + +static gboolean on_expected_timeout(gpointer data) +{ + gboolean *done = data; + + *done = TRUE; + + return G_SOURCE_REMOVE; +} + +GPIOD_TEST_CASE(event_timeout) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + gboolean done = FALSE; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + g_signal_connect(chip, "info-event", + G_CALLBACK(on_bad_info_event), NULL); + g_timeout_add(100, on_expected_timeout, &done); + + info = gpiod_glib_test_chip_watch_line_info_or_fail(chip, 3); + + while (!done && !g_test_failed()) + g_main_context_iteration(NULL, TRUE); +} + +typedef struct { + const gchar *chip_path; + guint offset; +} RequestContext; + +typedef struct { + GPtrArray *events; + guint done; + gboolean failed; +} EventContext; + +static gpointer request_reconfigure_release_line(gpointer data) +{ + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GError) err = NULL; + RequestContext *ctx = data; + gboolean ret; + + chip = g_gpiod_chip_new(ctx->chip_path, &err); + g_assert_no_error(err); + if (g_test_failed()) + return NULL; + + offsets = gpiod_glib_test_array_from_const(&ctx->offset, 1, + sizeof(guint)); + config = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new(NULL); + + ret = g_gpiod_line_config_add_line_settings(config, offsets, + settings, &err); + g_assert_true(ret); + g_assert_no_error(err); + if (g_test_failed()) + return NULL; + + g_usleep(1000); + + request = g_gpiod_chip_request_lines(chip, NULL, config, &err); + g_assert_nonnull(request); + g_assert_no_error(err); + + g_usleep(1000); + + g_gpiod_line_config_reset(config); + g_gpiod_line_settings_set_direction(settings, + G_GPIOD_LINE_DIRECTION_OUTPUT); + ret = g_gpiod_line_config_add_line_settings(config, offsets, + settings, &err); + g_assert_true(ret); + g_assert_no_error(err); + if (g_test_failed()) + return NULL; + + ret = g_gpiod_line_request_reconfigure_lines(request, config, &err); + g_assert_true(ret); + g_assert_no_error(err); + if (g_test_failed()) + return NULL; + + g_usleep(1000); + + g_gpiod_line_request_release(request); + + return NULL; +} + +static void basic_on_info_event(GPIODChip *chip G_GNUC_UNUSED, + GPIODInfoEvent *event, gpointer data) +{ + EventContext *ctx = data; + + g_ptr_array_add(ctx->events, g_object_ref(event)); + ctx->done++; +} + +static gboolean on_timeout(gpointer data) +{ + gboolean *failed = data; + + g_test_fail_printf("wait for info event timed out"); + *failed = TRUE; + + return G_SOURCE_CONTINUE; +} + +GPIOD_TEST_CASE(request_reconfigure_release_events) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + g_autoptr(GPtrArray) events = NULL; + g_autoptr(GThread) thread = NULL; + const gchar *chip_path = g_gpiosim_chip_get_dev_path(sim); + GPIODInfoEvent *req_ev, *reconf_ev, *rel_ev; + guint64 req_ts, reconf_ts, rel_ts; + EventContext ev_ctx; + RequestContext req_ctx; + guint timeout_id; + + events = g_ptr_array_new_full(3, g_object_unref); + + chip = gpiod_glib_test_new_chip_or_fail(chip_path); + g_signal_connect(chip, "info-event", G_CALLBACK(basic_on_info_event), + &ev_ctx); + timeout_id = g_timeout_add_seconds(5, on_timeout, &ev_ctx.failed); + + info = gpiod_glib_test_chip_watch_line_info_or_fail(chip, 3); + + g_assert_false(g_gpiod_line_info_is_used(info)); + + req_ctx.chip_path = chip_path; + req_ctx.offset = 3; + + thread = g_thread_new("request-reconfigure-release", + request_reconfigure_release_line, &req_ctx); + g_thread_ref(thread); + + ev_ctx.done = 0; + ev_ctx.failed = FALSE; + ev_ctx.events = events; + + while (ev_ctx.done != 3 && !ev_ctx.failed) + g_main_context_iteration(NULL, TRUE); + + g_source_remove(timeout_id); + g_thread_join(thread); + + req_ev = g_ptr_array_index(events, 0); + reconf_ev = g_ptr_array_index(events, 1); + rel_ev = g_ptr_array_index(events, 2); + + g_assert_cmpint(g_gpiod_info_event_get_event_type(req_ev), ==, + G_GPIOD_INFO_EVENT_LINE_REQUESTED); + g_assert_cmpint(g_gpiod_info_event_get_event_type(reconf_ev), ==, + G_GPIOD_INFO_EVENT_LINE_CONFIG_CHANGED); + g_assert_cmpint(g_gpiod_info_event_get_event_type(rel_ev), ==, + G_GPIOD_INFO_EVENT_LINE_RELEASED); + + req_ts = g_gpiod_info_event_get_timestamp_ns(req_ev); + reconf_ts = g_gpiod_info_event_get_timestamp_ns(reconf_ev); + rel_ts = g_gpiod_info_event_get_timestamp_ns(rel_ev); + + g_assert_cmpuint(req_ts, <, reconf_ts); + g_assert_cmpuint(reconf_ts, <, rel_ts); +} + +static void unwatch_on_info_event(GPIODChip *chip G_GNUC_UNUSED, + GPIODInfoEvent *event G_GNUC_UNUSED, + gpointer data) +{ + gboolean *got_event = data; + + *got_event = TRUE; +} + +GPIOD_TEST_CASE(unwatch_and_check_that_no_events_are_generated) +{ + static const guint offset = 3; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GArray) offsets = NULL; + gboolean got_event = FALSE; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + g_signal_connect(chip, "info-event", G_CALLBACK(unwatch_on_info_event), + &got_event); + + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + config = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new(NULL); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + settings); + + info = gpiod_glib_test_chip_watch_line_info_or_fail(chip, offset); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, NULL, + config); + + g_main_context_iteration(NULL, TRUE); + + g_assert_true(got_event); + + gpiod_glib_test_chip_unwatch_line_info_or_fail(chip, offset); + + got_event = FALSE; + g_gpiod_line_request_release(request); + + g_main_context_iteration(NULL, TRUE); + + g_assert_false(got_event); +} + +static void check_line_info_on_info_event(GPIODChip *chip G_GNUC_UNUSED, + GPIODInfoEvent *event, gpointer data) +{ + GPIODLineInfo **info = data; + + *info = g_gpiod_info_event_get_line_info(event); +} + +GPIOD_TEST_CASE(info_event_contains_new_line_info) +{ + static const guint offset = 3; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) initial_info = NULL; + g_autoptr(GPIODLineInfo) event_info = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GArray) offsets = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + g_signal_connect(chip, "info-event", + G_CALLBACK(check_line_info_on_info_event), + &event_info); + + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + config = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new(NULL); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + settings); + + initial_info = gpiod_glib_test_chip_watch_line_info_or_fail(chip, + offset); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, NULL, + config); + + g_main_context_iteration(NULL, TRUE); + + g_assert_nonnull(event_info); +} diff --git a/bindings/glib/tests/tests-line-config.c b/bindings/glib/tests/tests-line-config.c new file mode 100644 index 0000000..cbdf589 --- /dev/null +++ b/bindings/glib/tests/tests-line-config.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/line-config" + +GPIOD_TEST_CASE(too_many_lines) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + guint i; + + settings = g_gpiod_line_settings_new(NULL); + config = g_gpiod_line_config_new(); + offsets = g_array_new(FALSE, TRUE, sizeof(guint)); + + for (i = 0; i < 65; i++) + g_array_append_val(offsets, i); + + ret = g_gpiod_line_config_add_line_settings(config, offsets, + settings, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_E2BIG); +} + +GPIOD_TEST_CASE(get_line_settings) +{ + static const guint offset_vals[] = { 0, 1, 2, 3 }; + + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineSettings) retrieved = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GArray) offsets = NULL; + + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, + "bias", G_GPIOD_LINE_BIAS_PULL_DOWN, + NULL); + config = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offset_vals, 4, + sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + settings); + + retrieved = gpiod_glib_test_line_config_get_line_settings_or_fail( + config, 2); + g_assert_cmpint(g_gpiod_line_settings_get_direction(retrieved), ==, + G_GPIOD_LINE_DIRECTION_INPUT); + g_assert_cmpint(g_gpiod_line_settings_get_bias(retrieved), ==, + G_GPIOD_LINE_BIAS_PULL_DOWN); +} + +GPIOD_TEST_CASE(null_settings) +{ + static const guint offset_vals[] = { 0, 1, 2, 3 }; + + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GArray) offsets = NULL; + + config = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offset_vals, 4, + sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + NULL); + + settings = gpiod_glib_test_line_config_get_line_settings_or_fail(config, + 2); + + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DIRECTION_AS_IS); +} + +GPIOD_TEST_CASE(null_offsets) +{ + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + settings = g_gpiod_line_settings_new(NULL); + config = g_gpiod_line_config_new(); + offsets = g_array_new(FALSE, TRUE, sizeof(guint)); + + ret = g_gpiod_line_config_add_line_settings(config, NULL, settings, + &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(zero_offsets) +{ + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + settings = g_gpiod_line_settings_new(NULL); + config = g_gpiod_line_config_new(); + offsets = g_array_new(FALSE, TRUE, sizeof(guint)); + + ret = g_gpiod_line_config_add_line_settings(config, offsets, settings, + &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(set_global_output_values) +{ + static const guint offset_vals[] = { 0, 1, 2, 3 }; + static const GPIODLineValue output_values[] = { + G_GPIOD_LINE_VALUE_ACTIVE, + G_GPIOD_LINE_VALUE_INACTIVE, + G_GPIOD_LINE_VALUE_ACTIVE, + G_GPIOD_LINE_VALUE_INACTIVE, + }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 4, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_OUTPUT, NULL); + config = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offset_vals, 4, + sizeof(guint)); + values = gpiod_glib_test_array_from_const(output_values, 4, + sizeof(GPIODLineValue)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + settings); + gpiod_glib_test_line_config_set_output_values_or_fail(config, values); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, NULL, + config); + + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==, + G_GPIOSIM_VALUE_ACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==, + G_GPIOSIM_VALUE_INACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==, + G_GPIOSIM_VALUE_ACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==, + G_GPIOSIM_VALUE_INACTIVE); +} + +GPIOD_TEST_CASE(handle_duplicate_offsets) +{ + static const guint offset_vals[] = { 0, 2, 2, 3 }; + + g_autoptr(GPIODLineConfig) config = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) retrieved = NULL; + + config = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offset_vals, 4, + sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(config, offsets, + NULL); + + retrieved = g_gpiod_line_config_get_configured_offsets(config); + g_assert_cmpuint(retrieved->len, ==, 3); + g_assert_cmpuint(g_array_index(retrieved, guint, 0), ==, 0); + g_assert_cmpuint(g_array_index(retrieved, guint, 1), ==, 2); + g_assert_cmpuint(g_array_index(retrieved, guint, 2), ==, 3); +} diff --git a/bindings/glib/tests/tests-line-info.c b/bindings/glib/tests/tests-line-info.c new file mode 100644 index 0000000..c132c06 --- /dev/null +++ b/bindings/glib/tests/tests-line-info.c @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/line-info" + +GPIOD_TEST_CASE(get_line_info_good) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + info = gpiod_glib_test_chip_get_line_info_or_fail(chip, 3); + + g_assert_cmpuint(g_gpiod_line_info_get_offset(info), ==, 3); +} + +GPIOD_TEST_CASE(get_line_info_offset_out_of_range) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + g_autoptr(GError) err = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + info = g_gpiod_chip_get_line_info(chip, 8, &err); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(line_info_basic_properties) +{ + static const GPIOSimLineName names[] = { + { .offset = 1, .name = "foo", }, + { .offset = 2, .name = "bar", }, + { .offset = 4, .name = "baz", }, + { .offset = 5, .name = "xyz", }, + { } + }; + + static const GPIOSimHog hogs[] = { + { + .offset = 3, + .name = "hog3", + .direction = G_GPIOSIM_DIRECTION_OUTPUT_HIGH, + }, + { + .offset = 4, + .name = "hog4", + .direction = G_GPIOSIM_DIRECTION_OUTPUT_LOW, + }, + { } + }; + + g_autoptr(GVariant) vnames = g_gpiosim_package_line_names(names); + g_autoptr(GVariant) vhogs = g_gpiosim_package_hogs(hogs); + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, + "line-names", vnames, + "hogs", vhogs, + NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineInfo) info4 = NULL; + g_autoptr(GPIODLineInfo) info6 = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + info4 = gpiod_glib_test_chip_get_line_info_or_fail(chip, 4); + info6 = gpiod_glib_test_chip_get_line_info_or_fail(chip, 6); + + g_assert_cmpuint(g_gpiod_line_info_get_offset(info4), ==, 4); + g_assert_cmpstr(g_gpiod_line_info_get_name(info4), ==, "baz"); + g_assert_cmpstr(g_gpiod_line_info_get_consumer(info4), ==, "hog4"); + g_assert_true(g_gpiod_line_info_is_used(info4)); + g_assert_cmpint(g_gpiod_line_info_get_direction(info4), ==, + G_GPIOD_LINE_DIRECTION_OUTPUT); + g_assert_cmpint(g_gpiod_line_info_get_edge_detection(info4), ==, + G_GPIOD_LINE_EDGE_NONE); + g_assert_false(g_gpiod_line_info_is_active_low(info4)); + g_assert_cmpint(g_gpiod_line_info_get_bias(info4), ==, + G_GPIOD_LINE_BIAS_UNKNOWN); + g_assert_cmpint(g_gpiod_line_info_get_drive(info4), ==, + G_GPIOD_LINE_DRIVE_PUSH_PULL); + g_assert_cmpint(g_gpiod_line_info_get_event_clock(info4), ==, + G_GPIOD_LINE_CLOCK_MONOTONIC); + g_assert_false(g_gpiod_line_info_is_debounced(info4)); + g_assert_cmpuint(g_gpiod_line_info_get_debounce_period_us(info4), ==, + 0); +} diff --git a/bindings/glib/tests/tests-line-request.c b/bindings/glib/tests/tests-line-request.c new file mode 100644 index 0000000..ae13c38 --- /dev/null +++ b/bindings/glib/tests/tests-line-request.c @@ -0,0 +1,704 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <glib.h> +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiosim-glib.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/line-request" + +GPIOD_TEST_CASE(request_fails_with_no_offsets) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GError) err = NULL; + + line_cfg = g_gpiod_line_config_new(); + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + request = g_gpiod_chip_request_lines(chip, NULL, line_cfg, &err); + g_assert_null(request); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(request_fails_with_no_line_config) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GError) err = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + request = g_gpiod_chip_request_lines(chip, NULL, NULL, &err); + g_assert_null(request); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(set_consumer) +{ + static const gchar *const consumer = "foobar"; + static const guint offset = 2; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODRequestConfig) req_cfg = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + req_cfg = g_gpiod_request_config_new("consumer", consumer, NULL); + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, req_cfg, + line_cfg); + + info = gpiod_glib_test_chip_get_line_info_or_fail(chip, offset); + g_assert_cmpstr(g_gpiod_line_info_get_consumer(info), ==, consumer); +} + +GPIOD_TEST_CASE(empty_consumer) +{ + static const guint offset = 2; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODChip) chip = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GPIODLineInfo) info = NULL; + + chip = gpiod_glib_test_new_chip_or_fail( + g_gpiosim_chip_get_dev_path(sim)); + + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_chip_request_lines_or_fail(chip, NULL, + line_cfg); + + info = gpiod_glib_test_chip_get_line_info_or_fail(chip, offset); + g_assert_cmpstr(g_gpiod_line_info_get_consumer(info), ==, "?"); +} + +GPIOD_TEST_CASE(get_requested_offsets) +{ + static const guint offset_vals[] = { 2, 1, 6, 4 }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) retrieved = NULL; + + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offset_vals, 4, + sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + retrieved = g_gpiod_line_request_get_requested_offsets(request); + g_assert_cmpuint(retrieved->len, ==, 4); + g_assert_cmpuint(g_array_index(retrieved, guint, 0), ==, 2); + g_assert_cmpuint(g_array_index(retrieved, guint, 1), ==, 1); + g_assert_cmpuint(g_array_index(retrieved, guint, 2), ==, 6); + g_assert_cmpuint(g_array_index(retrieved, guint, 3), ==, 4); +} + +GPIOD_TEST_CASE(released_request_cannot_be_used_reconfigure) +{ + static const guint offset = 3; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_gpiod_line_request_release(request); + + ret = g_gpiod_line_request_reconfigure_lines(request, line_cfg, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_REQUEST_RELEASED); +} + +GPIOD_TEST_CASE(released_request_cannot_be_used_get_value) +{ + static const guint offset = 3; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GError) err = NULL; + GPIODLineValue value; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, NULL); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_gpiod_line_request_release(request); + + ret = g_gpiod_line_request_get_value(request, offset, &value, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_REQUEST_RELEASED); + + g_clear_pointer(&err, g_error_free); + + ret = g_gpiod_line_request_get_values(request, &values, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_REQUEST_RELEASED); +} + +GPIOD_TEST_CASE(released_request_cannot_be_used_set_value) +{ + static const guint offset = 3; + static const GPIODLineValue value = G_GPIOD_LINE_VALUE_ACTIVE; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_OUTPUT, NULL); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_gpiod_line_request_release(request); + + ret = g_gpiod_line_request_set_value(request, offset, value, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_REQUEST_RELEASED); + + g_clear_pointer(&err, g_error_free); + + values = gpiod_glib_test_array_from_const(&value, 1, sizeof(value)); + ret = g_gpiod_line_request_set_values(request, values, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_REQUEST_RELEASED); +} + +GPIOD_TEST_CASE(reconfigure_lines) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + guint offset_vals[2]; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_OUTPUT, + "output-value", G_GPIOD_LINE_VALUE_ACTIVE, + NULL); + + offsets = g_array_new(FALSE, TRUE, sizeof(guint)); + offset_vals[0] = 0; + offset_vals[1] = 2; + g_array_append_vals(offsets, offset_vals, 2); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + g_free(g_array_steal(offsets, NULL)); + + g_gpiod_line_settings_set_output_value(settings, + G_GPIOD_LINE_VALUE_INACTIVE); + offset_vals[0] = 1; + offset_vals[1] = 3; + g_array_append_vals(offsets, offset_vals, 2); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + g_free(g_array_steal(offsets, NULL)); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==, + G_GPIOSIM_VALUE_ACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==, + G_GPIOSIM_VALUE_INACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==, + G_GPIOSIM_VALUE_ACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==, + G_GPIOSIM_VALUE_INACTIVE); + + g_gpiod_line_config_reset(line_cfg); + + g_gpiod_line_settings_set_output_value(settings, + G_GPIOD_LINE_VALUE_INACTIVE); + offset_vals[0] = 0; + offset_vals[1] = 2; + g_array_append_vals(offsets, offset_vals, 2); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + g_free(g_array_steal(offsets, NULL)); + + g_gpiod_line_settings_set_output_value(settings, + G_GPIOD_LINE_VALUE_ACTIVE); + offset_vals[0] = 1; + offset_vals[1] = 3; + g_array_append_vals(offsets, offset_vals, 2); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + ret = g_gpiod_line_request_reconfigure_lines(request, line_cfg, &err); + g_assert_true(ret); + g_assert_no_error(err); + gpiod_test_return_if_failed(); + + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==, + G_GPIOSIM_VALUE_INACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 1), ==, + G_GPIOSIM_VALUE_ACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 2), ==, + G_GPIOSIM_VALUE_INACTIVE); + g_assert_cmpint(g_gpiosim_chip_get_value(sim, 3), ==, + G_GPIOSIM_VALUE_ACTIVE); +} + +GPIOD_TEST_CASE(reconfigure_fails_without_config) +{ + static const guint offset = 3; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + ret = g_gpiod_line_request_reconfigure_lines(request, NULL, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(reconfigure_with_different_offsets) +{ + static const guint offsets0[] = { 0, 1, 2, 3 }; + static const guint offsets1[] = { 2, 4, 5 }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(offsets0, 4, sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + g_free(g_array_steal(offsets, NULL)); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_gpiod_line_config_reset(line_cfg); + + g_array_append_vals(offsets, offsets1, 3); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + ret = g_gpiod_line_request_reconfigure_lines(request, line_cfg, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(read_one_value) +{ + static const guint offset_vals[] = { 0, 2, 4 }; + static const gint pulls[] = { 0, 1, 0 }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + GPIODLineValue value; + gboolean ret; + guint i; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, NULL); + offsets = gpiod_glib_test_array_from_const(offset_vals, 3, + sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + for (i = 0; i < 3; i++) + g_gpiosim_chip_set_pull(sim, offset_vals[i], + pulls[i] ? G_GPIOSIM_PULL_UP : + G_GPIOSIM_PULL_DOWN); + + ret = g_gpiod_line_request_get_value(request, 2, &value, &err); + g_assert_true(ret); + g_assert_no_error(err); + gpiod_test_return_if_failed(); + g_assert_cmpint(value, ==, G_GPIOD_LINE_VALUE_ACTIVE); +} + +GPIOD_TEST_CASE(read_all_values_null_array) +{ + static const guint offset_vals[] = { 0, 2, 4, 5, 7 }; + static const gint pulls[] = { 0, 1, 0, 1, 1 }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + guint i; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, NULL); + offsets = gpiod_glib_test_array_from_const(offset_vals, 5, + sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + for (i = 0; i < 5; i++) + g_gpiosim_chip_set_pull(sim, offset_vals[i], + pulls[i] ? G_GPIOSIM_PULL_UP : + G_GPIOSIM_PULL_DOWN); + + ret = g_gpiod_line_request_get_values(request, &values, &err); + g_assert_true(ret); + g_assert_no_error(err); + gpiod_test_return_if_failed(); + + g_assert_cmpuint(values->len, ==, 5); + + for (i = 0; i < 5; i++) + g_assert_cmpint(g_array_index(values, GPIODLineValue, i), ==, + pulls[i]); +} + +GPIOD_TEST_CASE(read_all_values_preallocated_array) +{ + static const guint offset_vals[] = { 0, 2, 4, 5, 7 }; + static const gint pulls[] = { 0, 1, 0, 1, 1 }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + guint i; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, NULL); + offsets = gpiod_glib_test_array_from_const(offset_vals, 5, + sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + for (i = 0; i < 5; i++) + g_gpiosim_chip_set_pull(sim, offset_vals[i], + pulls[i] ? G_GPIOSIM_PULL_UP : + G_GPIOSIM_PULL_DOWN); + + values = g_array_new(FALSE, TRUE, sizeof(GPIODLineValue)); + g_array_set_size(values, 5); + + ret = g_gpiod_line_request_get_values(request, &values, &err); + g_assert_true(ret); + g_assert_no_error(err); + gpiod_test_return_if_failed(); + + g_assert_cmpuint(values->len, ==, 5); + + for (i = 0; i < 5; i++) + g_assert_cmpint(g_array_index(values, GPIODLineValue, i), ==, + pulls[i]); +} + +GPIOD_TEST_CASE(set_one_value) +{ + static const guint offset = 4; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_OUTPUT, + "output-value", G_GPIOD_LINE_VALUE_INACTIVE, + NULL); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_assert_cmpuint(g_gpiosim_chip_get_value(sim, offset), ==, + G_GPIOSIM_VALUE_INACTIVE); + + ret = g_gpiod_line_request_set_value(request, 4, + G_GPIOD_LINE_VALUE_ACTIVE, &err); + g_assert_true(ret); + g_assert_no_error(err); + + g_assert_cmpuint(g_gpiosim_chip_get_value(sim, offset), ==, + G_GPIOSIM_VALUE_ACTIVE); +} + +GPIOD_TEST_CASE(set_all_values) +{ + static const guint offset_vals[] = { 0, 2, 4, 5, 6 }; + static const GPIODLineValue value_vals[] = { + G_GPIOD_LINE_VALUE_ACTIVE, + G_GPIOD_LINE_VALUE_INACTIVE, + G_GPIOD_LINE_VALUE_ACTIVE, + G_GPIOD_LINE_VALUE_ACTIVE, + G_GPIOD_LINE_VALUE_ACTIVE + }; + static const GPIOSimValue sim_values[] = { + G_GPIOSIM_VALUE_ACTIVE, + G_GPIOSIM_VALUE_INACTIVE, + G_GPIOSIM_VALUE_ACTIVE, + G_GPIOSIM_VALUE_ACTIVE, + G_GPIOSIM_VALUE_ACTIVE + }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + guint i; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_OUTPUT, NULL); + offsets = gpiod_glib_test_array_from_const(offset_vals, 5, sizeof(guint)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + values = gpiod_glib_test_array_from_const(value_vals, 5, + sizeof(GPIODLineValue)); + + ret = g_gpiod_line_request_set_values(request, values, &err); + g_assert_true(ret); + g_assert_no_error(err); + gpiod_test_return_if_failed(); + + for (i = 0; i < 5; i++) + g_assert_cmpint(g_gpiosim_chip_get_value(sim, offset_vals[i]), + ==, sim_values[i]); +} + +GPIOD_TEST_CASE(get_values_invalid_arguments) +{ + static const guint offset = 3; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, NULL); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(offset)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + ret = g_gpiod_line_request_get_values_subset(request, offsets, NULL, + &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); + + g_clear_pointer(&err, g_error_free); + + ret = g_gpiod_line_request_get_values_subset(request, NULL, &values, + &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(set_values_invalid_arguments) +{ + static const guint offset = 3; + static const GPIODLineValue value_vals[] = { + G_GPIOD_LINE_VALUE_ACTIVE, + G_GPIOD_LINE_VALUE_INACTIVE, + }; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineSettings) settings = NULL; + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + g_autoptr(GArray) values = NULL; + g_autoptr(GArray) vals_inval = NULL; + g_autoptr(GError) err = NULL; + gboolean ret; + + line_cfg = g_gpiod_line_config_new(); + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_OUTPUT, NULL); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(offset)); + values = gpiod_glib_test_array_from_const(value_vals, 1, + sizeof(GPIODLineValue)); + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, + settings); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + ret = g_gpiod_line_request_set_values_subset(request, offsets, NULL, + &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); + + g_clear_pointer(&err, g_error_free); + + ret = g_gpiod_line_request_set_values_subset(request, NULL, values, + &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); + + g_clear_pointer(&err, g_error_free); + + vals_inval = gpiod_glib_test_array_from_const(value_vals, 2, + sizeof(GPIODLineValue)); + + ret = g_gpiod_line_request_set_values_subset(request, offsets, + vals_inval, &err); + g_assert_false(ret); + g_assert_error(err, G_GPIOD_ERROR, G_GPIOD_ERR_INVAL); +} + +GPIOD_TEST_CASE(get_chip_name) +{ + static const guint offset = 4; + + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8, NULL); + g_autoptr(GPIODLineConfig) line_cfg = NULL; + g_autoptr(GPIODLineRequest) request = NULL; + g_autoptr(GArray) offsets = NULL; + + line_cfg = g_gpiod_line_config_new(); + offsets = gpiod_glib_test_array_from_const(&offset, 1, sizeof(guint)); + + gpiod_glib_test_line_config_add_line_settings_or_fail(line_cfg, + offsets, NULL); + + request = gpiod_glib_test_request_lines_or_fail( + g_gpiosim_chip_get_dev_path(sim), NULL, line_cfg); + + g_assert_cmpstr(g_gpiosim_chip_get_name(sim), ==, + g_gpiod_line_request_get_chip_name(request)); +} diff --git a/bindings/glib/tests/tests-line-settings.c b/bindings/glib/tests/tests-line-settings.c new file mode 100644 index 0000000..ad195ba --- /dev/null +++ b/bindings/glib/tests/tests-line-settings.c @@ -0,0 +1,252 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <gpiod-glib.h> +#include <gpiod-test.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/line-settings" + +GPIOD_TEST_CASE(default_config) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_assert_cmpint(g_gpiod_line_settings_get_direction(settings), ==, + G_GPIOD_LINE_DIRECTION_AS_IS); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), + ==, G_GPIOD_LINE_EDGE_NONE); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_AS_IS); + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DRIVE_PUSH_PULL); + g_assert_false(g_gpiod_line_settings_get_active_low(settings)); + g_assert_cmpint(g_gpiod_line_settings_get_debounce_period_us(settings), + ==, 0); + g_assert_cmpint(g_gpiod_line_settings_get_event_clock(settings), ==, + G_GPIOD_LINE_CLOCK_MONOTONIC); + g_assert_cmpint(g_gpiod_line_settings_get_output_value(settings), ==, + G_GPIOD_LINE_VALUE_INACTIVE); +} + +GPIOD_TEST_CASE(set_direction) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_direction(settings, + G_GPIOD_LINE_DIRECTION_INPUT); + g_assert_cmpint(g_gpiod_line_settings_get_direction(settings), ==, + G_GPIOD_LINE_DIRECTION_INPUT); + + g_gpiod_line_settings_set_direction(settings, + G_GPIOD_LINE_DIRECTION_AS_IS); + g_assert_cmpint(g_gpiod_line_settings_get_direction(settings), ==, + G_GPIOD_LINE_DIRECTION_AS_IS); + + g_gpiod_line_settings_set_direction(settings, + G_GPIOD_LINE_DIRECTION_OUTPUT); + g_assert_cmpint(g_gpiod_line_settings_get_direction(settings), ==, + G_GPIOD_LINE_DIRECTION_OUTPUT); +} + +GPIOD_TEST_CASE(set_edge_detection) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_edge_detection(settings, + G_GPIOD_LINE_EDGE_BOTH); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), ==, + G_GPIOD_LINE_EDGE_BOTH); + + g_gpiod_line_settings_set_edge_detection(settings, + G_GPIOD_LINE_EDGE_NONE); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), ==, + G_GPIOD_LINE_EDGE_NONE); + + g_gpiod_line_settings_set_edge_detection(settings, + G_GPIOD_LINE_EDGE_FALLING); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), ==, + G_GPIOD_LINE_EDGE_FALLING); + + g_gpiod_line_settings_set_edge_detection(settings, + G_GPIOD_LINE_EDGE_RISING); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), ==, + G_GPIOD_LINE_EDGE_RISING); +} + +GPIOD_TEST_CASE(set_bias) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_bias(settings, G_GPIOD_LINE_BIAS_DISABLED); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_DISABLED); + + g_gpiod_line_settings_set_bias(settings, G_GPIOD_LINE_BIAS_AS_IS); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_AS_IS); + + g_gpiod_line_settings_set_bias(settings, G_GPIOD_LINE_BIAS_PULL_DOWN); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_PULL_DOWN); + + g_gpiod_line_settings_set_bias(settings, G_GPIOD_LINE_BIAS_PULL_UP); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_PULL_UP); +} + +GPIOD_TEST_CASE(set_drive) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_drive(settings, + G_GPIOD_LINE_DRIVE_OPEN_DRAIN); + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DRIVE_OPEN_DRAIN); + + g_gpiod_line_settings_set_drive(settings, + G_GPIOD_LINE_DRIVE_PUSH_PULL); + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DRIVE_PUSH_PULL); + + g_gpiod_line_settings_set_drive(settings, + G_GPIOD_LINE_DRIVE_OPEN_SOURCE); + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DRIVE_OPEN_SOURCE); +} + +GPIOD_TEST_CASE(set_active_low) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_active_low(settings, TRUE); + g_assert_true(g_gpiod_line_settings_get_active_low(settings)); + + g_gpiod_line_settings_set_active_low(settings, FALSE); + g_assert_false(g_gpiod_line_settings_get_active_low(settings)); +} + +GPIOD_TEST_CASE(set_debounce_period) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_debounce_period_us(settings, 4000); + g_assert_cmpint(g_gpiod_line_settings_get_debounce_period_us(settings), + ==, 4000); +} + +GPIOD_TEST_CASE(set_event_clock) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_event_clock(settings, + G_GPIOD_LINE_CLOCK_MONOTONIC); + g_assert_cmpint(g_gpiod_line_settings_get_event_clock(settings), ==, + G_GPIOD_LINE_CLOCK_MONOTONIC); + + g_gpiod_line_settings_set_event_clock(settings, + G_GPIOD_LINE_CLOCK_REALTIME); + g_assert_cmpint(g_gpiod_line_settings_get_event_clock(settings), ==, + G_GPIOD_LINE_CLOCK_REALTIME); + + g_gpiod_line_settings_set_event_clock(settings, + G_GPIOD_LINE_CLOCK_HTE); + g_assert_cmpint(g_gpiod_line_settings_get_event_clock(settings), ==, + G_GPIOD_LINE_CLOCK_HTE); +} + +GPIOD_TEST_CASE(set_output_value) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_output_value(settings, + G_GPIOD_LINE_VALUE_ACTIVE); + g_assert_cmpint(g_gpiod_line_settings_get_output_value(settings), ==, + G_GPIOD_LINE_VALUE_ACTIVE); + + g_gpiod_line_settings_set_output_value(settings, + G_GPIOD_LINE_VALUE_INACTIVE); + g_assert_cmpint(g_gpiod_line_settings_get_output_value(settings), ==, + G_GPIOD_LINE_VALUE_INACTIVE); +} + +GPIOD_TEST_CASE(reset_settings) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new(NULL); + + g_gpiod_line_settings_set_direction(settings, + G_GPIOD_LINE_DIRECTION_INPUT); + g_gpiod_line_settings_set_edge_detection(settings, + G_GPIOD_LINE_EDGE_BOTH); + g_gpiod_line_settings_set_debounce_period_us(settings, 2000); + g_gpiod_line_settings_set_event_clock(settings, + G_GPIOD_LINE_CLOCK_REALTIME); + + g_gpiod_line_settings_reset(settings); + + g_assert_cmpint(g_gpiod_line_settings_get_direction(settings), ==, + G_GPIOD_LINE_DIRECTION_AS_IS); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), ==, + G_GPIOD_LINE_EDGE_NONE); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_AS_IS); + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DRIVE_PUSH_PULL); + g_assert_false(g_gpiod_line_settings_get_active_low(settings)); + g_assert_cmpint(g_gpiod_line_settings_get_debounce_period_us(settings), + ==, 0); + g_assert_cmpint(g_gpiod_line_settings_get_event_clock(settings), ==, + G_GPIOD_LINE_CLOCK_MONOTONIC); + g_assert_cmpint(g_gpiod_line_settings_get_output_value(settings), ==, + G_GPIOD_LINE_VALUE_INACTIVE); +} + +GPIOD_TEST_CASE(set_props_in_constructor) +{ + g_autoptr(GPIODLineSettings) settings = NULL; + + settings = g_gpiod_line_settings_new( + "direction", G_GPIOD_LINE_DIRECTION_INPUT, + "edge-detection", G_GPIOD_LINE_EDGE_BOTH, + "active-low", TRUE, + "debounce-period-us", (GTimeSpan)3000, + "bias", G_GPIOD_LINE_BIAS_PULL_UP, + "event-clock", G_GPIOD_LINE_CLOCK_REALTIME, + NULL); + + g_assert_cmpint(g_gpiod_line_settings_get_direction(settings), ==, + G_GPIOD_LINE_DIRECTION_INPUT); + g_assert_cmpint(g_gpiod_line_settings_get_edge_detection(settings), ==, + G_GPIOD_LINE_EDGE_BOTH); + g_assert_cmpint(g_gpiod_line_settings_get_bias(settings), ==, + G_GPIOD_LINE_BIAS_PULL_UP); + g_assert_cmpint(g_gpiod_line_settings_get_drive(settings), ==, + G_GPIOD_LINE_DRIVE_PUSH_PULL); + g_assert_true(g_gpiod_line_settings_get_active_low(settings)); + g_assert_cmpint(g_gpiod_line_settings_get_debounce_period_us(settings), + ==, 3000); + g_assert_cmpint(g_gpiod_line_settings_get_event_clock(settings), ==, + G_GPIOD_LINE_CLOCK_REALTIME); + g_assert_cmpint(g_gpiod_line_settings_get_output_value(settings), ==, + G_GPIOD_LINE_VALUE_INACTIVE); +} diff --git a/bindings/glib/tests/tests-misc.c b/bindings/glib/tests/tests-misc.c new file mode 100644 index 0000000..7db9ec2 --- /dev/null +++ b/bindings/glib/tests/tests-misc.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <glib.h> +#include <gpiod-glib.h> +#include <gpiod-test.h> +#include <gpiod-test-common.h> +#include <gpiosim-glib.h> + +#define GPIOD_TEST_GROUP "glib/misc" + +GPIOD_TEST_CASE(is_gpiochip_bad) +{ + g_assert_false(g_gpiod_is_gpiochip_device("/dev/null")); + g_assert_false(g_gpiod_is_gpiochip_device("/dev/nonexistent")); +} + +GPIOD_TEST_CASE(is_gpiochip_good) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + + g_assert_true(g_gpiod_is_gpiochip_device( + g_gpiosim_chip_get_dev_path(sim))); +} + +GPIOD_TEST_CASE(is_gpiochip_link_bad) +{ + g_autofree gchar *link = NULL; + gint ret; + + link = g_strdup_printf("/tmp/gpiod-test-link.%u", getpid()); + ret = symlink("/dev/null", link); + g_assert_cmpint(ret, ==, 0); + gpiod_test_return_if_failed(); + + g_assert_false(g_gpiod_is_gpiochip_device(link)); + ret = unlink(link); + g_assert_cmpint(ret, ==, 0); +} + +GPIOD_TEST_CASE(is_gpiochip_link_good) +{ + g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL); + g_autofree gchar *link = NULL; + gint ret; + + link = g_strdup_printf("/tmp/gpiod-test-link.%u", getpid()); + ret = symlink(g_gpiosim_chip_get_dev_path(sim), link); + g_assert_cmpint(ret, ==, 0); + gpiod_test_return_if_failed(); + + g_assert_true(g_gpiod_is_gpiochip_device(link)); + ret = unlink(link); + g_assert_cmpint(ret, ==, 0); +} + +GPIOD_TEST_CASE(version_string) +{ + static const gchar *const pattern = "^\\d+\\.\\d+(\\.\\d+|\\-devel|\\-rc\\d+)$"; + + g_autoptr(GError) err = NULL; + g_autoptr(GRegex) regex = NULL; + g_autoptr(GMatchInfo) match = NULL; + g_autofree gchar *res = NULL; + const gchar *ver; + gboolean ret; + + ver = g_gpiod_api_version(); + g_assert_nonnull(ver); + gpiod_test_return_if_failed(); + + regex = g_regex_new(pattern, 0, 0, &err); + g_assert_nonnull(regex); + g_assert_no_error(err); + gpiod_test_return_if_failed(); + + ret = g_regex_match(regex, ver, 0, &match); + g_assert_true(ret); + gpiod_test_return_if_failed(); + + g_assert_true(g_match_info_matches(match)); + res = g_match_info_fetch(match, 0); + g_assert_nonnull(res); + g_assert_cmpstr(res, ==, ver); + g_match_info_next(match, &err); + g_assert_no_error(err); + g_assert_false(g_match_info_matches(match)); +} diff --git a/bindings/glib/tests/tests-request-config.c b/bindings/glib/tests/tests-request-config.c new file mode 100644 index 0000000..665f2a4 --- /dev/null +++ b/bindings/glib/tests/tests-request-config.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org> + +#include <glib.h> +#include <gpiod-glib.h> +#include <gpiod-test.h> + +#include "helpers.h" + +#define GPIOD_TEST_GROUP "glib/request-config" + +GPIOD_TEST_CASE(default_config) +{ + g_autoptr(GPIODRequestConfig) config = NULL; + + config = g_gpiod_request_config_new(NULL); + + g_assert_null(g_gpiod_request_config_get_consumer(config)); + g_assert_cmpuint(g_gpiod_request_config_get_event_buffer_size(config), + ==, 0); +} + +GPIOD_TEST_CASE(set_consumer) +{ + g_autoptr(GPIODRequestConfig) config = NULL; + + config = g_gpiod_request_config_new(NULL); + + g_gpiod_request_config_set_consumer(config, "foobar"); + g_assert_cmpstr(g_gpiod_request_config_get_consumer(config), ==, + "foobar"); + + g_gpiod_request_config_set_consumer(config, NULL); + g_assert_null(g_gpiod_request_config_get_consumer(config)); +} + +GPIOD_TEST_CASE(set_event_buffer_size) +{ + g_autoptr(GPIODRequestConfig) config = NULL; + + config = g_gpiod_request_config_new(NULL); + + g_gpiod_request_config_set_event_buffer_size(config, 128); + g_assert_cmpuint(g_gpiod_request_config_get_event_buffer_size(config), + ==, 128); +} + +GPIOD_TEST_CASE(set_properties_in_constructor) +{ + g_autoptr(GPIODRequestConfig) config = NULL; + + config = g_gpiod_request_config_new("consumer", "foobar", + "event-buffer-size", 64, NULL); + g_assert_cmpstr(g_gpiod_request_config_get_consumer(config), ==, + "foobar"); + g_assert_cmpuint(g_gpiod_request_config_get_event_buffer_size(config), + ==, 64); +}

[RESEND,libgpiod,v2,07/18] bindings: glib: add tests

Commit Message

Patch