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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
#include <catch2/catch_all.hpp>
#include <gpiod.hpp>
#include "helpers.hpp"
using value = ::gpiod::line::value;
using direction = ::gpiod::line::direction;
using edge = ::gpiod::line::edge;
using bias = ::gpiod::line::bias;
using drive = ::gpiod::line::drive;
using clock_type = ::gpiod::line::clock;
using value = ::gpiod::line::value;
using namespace ::std::chrono_literals;
namespace {
TEST_CASE("line_settings constructor works", "[line-settings]")
{
::gpiod::line_settings settings;
REQUIRE(settings.direction() == direction::AS_IS);
REQUIRE(settings.edge_detection() == edge::NONE);
REQUIRE(settings.bias() == bias::AS_IS);
REQUIRE(settings.drive() == drive::PUSH_PULL);
REQUIRE_FALSE(settings.active_low());
REQUIRE(settings.debounce_period() == 0us);
REQUIRE(settings.event_clock() == clock_type::MONOTONIC);
REQUIRE(settings.output_value() == value::INACTIVE);
}
TEST_CASE("line_settings mutators work", "[line-settings]")
{
::gpiod::line_settings settings;
SECTION("direction")
{
settings.set_direction(direction::INPUT);
REQUIRE(settings.direction() == direction::INPUT);
settings.set_direction(direction::AS_IS);
REQUIRE(settings.direction() == direction::AS_IS);
settings.set_direction(direction::OUTPUT);
REQUIRE(settings.direction() == direction::OUTPUT);
REQUIRE_THROWS_AS(settings.set_direction(static_cast<direction>(999)),
::std::invalid_argument);
}
SECTION("edge detection")
{
settings.set_edge_detection(edge::BOTH);
REQUIRE(settings.edge_detection() == edge::BOTH);
settings.set_edge_detection(edge::NONE);
REQUIRE(settings.edge_detection() == edge::NONE);
settings.set_edge_detection(edge::FALLING);
REQUIRE(settings.edge_detection() == edge::FALLING);
settings.set_edge_detection(edge::RISING);
REQUIRE(settings.edge_detection() == edge::RISING);
REQUIRE_THROWS_AS(settings.set_edge_detection(static_cast<edge>(999)),
::std::invalid_argument);
}
SECTION("bias")
{
settings.set_bias(bias::DISABLED);
REQUIRE(settings.bias() == bias::DISABLED);
settings.set_bias(bias::AS_IS);
REQUIRE(settings.bias() == bias::AS_IS);
settings.set_bias(bias::PULL_DOWN);
REQUIRE(settings.bias() == bias::PULL_DOWN);
settings.set_bias(bias::PULL_UP);
REQUIRE(settings.bias() == bias::PULL_UP);
REQUIRE_THROWS_AS(settings.set_bias(static_cast<bias>(999)), ::std::invalid_argument);
REQUIRE_THROWS_AS(settings.set_bias(bias::UNKNOWN), ::std::invalid_argument);
}
SECTION("drive")
{
settings.set_drive(drive::OPEN_DRAIN);
REQUIRE(settings.drive() == drive::OPEN_DRAIN);
settings.set_drive(drive::PUSH_PULL);
REQUIRE(settings.drive() == drive::PUSH_PULL);
settings.set_drive(drive::OPEN_SOURCE);
REQUIRE(settings.drive() == drive::OPEN_SOURCE);
REQUIRE_THROWS_AS(settings.set_drive(static_cast<drive>(999)), ::std::invalid_argument);
}
SECTION("active-low")
{
settings.set_active_low(true);
REQUIRE(settings.active_low());
settings.set_active_low(false);
REQUIRE_FALSE(settings.active_low());
}
SECTION("debounce period")
{
settings.set_debounce_period(2000us);
REQUIRE(settings.debounce_period() == 2000us);
}
SECTION("event clock")
{
settings.set_event_clock(clock_type::REALTIME);
REQUIRE(settings.event_clock() == clock_type::REALTIME);
settings.set_event_clock(clock_type::MONOTONIC);
REQUIRE(settings.event_clock() == clock_type::MONOTONIC);
settings.set_event_clock(clock_type::HTE);
REQUIRE(settings.event_clock() == clock_type::HTE);
REQUIRE_THROWS_AS(settings.set_event_clock(static_cast<clock_type>(999)),
::std::invalid_argument);
}
SECTION("output value")
{
settings.set_output_value(value::ACTIVE);
REQUIRE(settings.output_value() == value::ACTIVE);
settings.set_output_value(value::INACTIVE);
REQUIRE(settings.output_value() == value::INACTIVE);
REQUIRE_THROWS_AS(settings.set_output_value(static_cast<value>(999)),
::std::invalid_argument);
}
}
TEST_CASE("line_settings can be moved and copied", "[line-settings]")
{
::gpiod::line_settings settings;
settings
.set_direction(direction::INPUT)
.set_edge_detection(edge::BOTH);
SECTION("copy constructor works")
{
auto copy(settings);
settings.set_direction(direction::OUTPUT);
settings.set_edge_detection(edge::NONE);
REQUIRE(copy.direction() == direction::INPUT);
REQUIRE(copy.edge_detection() == edge::BOTH);
}
SECTION("assignment operator works")
{
::gpiod::line_settings copy;
copy = settings;
settings.set_direction(direction::OUTPUT);
settings.set_edge_detection(edge::NONE);
REQUIRE(copy.direction() == direction::INPUT);
REQUIRE(copy.edge_detection() == edge::BOTH);
}
SECTION("move constructor works")
{
auto copy(::std::move(settings));
REQUIRE(copy.direction() == direction::INPUT);
REQUIRE(copy.edge_detection() == edge::BOTH);
}
SECTION("move assignment operator works")
{
::gpiod::line_settings copy;
copy = ::std::move(settings);
REQUIRE(copy.direction() == direction::INPUT);
REQUIRE(copy.edge_detection() == edge::BOTH);
}
}
TEST_CASE("line_settings stream insertion operator works", "[line-settings]")
{
::gpiod::line_settings settings;
REQUIRE_THAT(settings
.set_active_low(true)
.set_direction(direction::INPUT)
.set_edge_detection(edge::BOTH)
.set_bias(bias::PULL_DOWN)
.set_event_clock(clock_type::REALTIME),
stringify_matcher<::gpiod::line_settings>(
"gpiod::line_settings(direction=INPUT, edge_detection=BOTH_EDGES, "
"bias=PULL_DOWN, drive=PUSH_PULL, active-low, debounce_period=0, "
"event_clock=REALTIME, output_value=INACTIVE)"
)
);
}
} /* namespace */
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