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[220.235.109.115]) by smtp.gmail.com with ESMTPSA id y123sm10517726pfg.64.2019.11.15.06.45.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 06:45:32 -0800 (PST) From: Kent Gibson To: linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com Cc: Kent Gibson Subject: [libgpiod] [PATCH 15/19] bindings: cxx: tests: add tests for SET_CONFIG methods Date: Fri, 15 Nov 2019 22:43:51 +0800 Message-Id: <20191115144355.975-16-warthog618@gmail.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191115144355.975-1-warthog618@gmail.com> References: <20191115144355.975-1-warthog618@gmail.com> MIME-Version: 1.0 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Extend test coverage over set_config, set_flags, set_direction_input, and set_direction_output methods. Signed-off-by: Kent Gibson --- bindings/cxx/tests/tests-line.cpp | 128 ++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/bindings/cxx/tests/tests-line.cpp b/bindings/cxx/tests/tests-line.cpp index ef314b9..f5b829d 100644 --- a/bindings/cxx/tests/tests-line.cpp +++ b/bindings/cxx/tests/tests-line.cpp @@ -324,6 +324,134 @@ TEST_CASE("Line values can be set and read", "[line]") } } +TEST_CASE("Line can be reconfigured", "[line]") +{ + mockup::probe_guard mockup_chips({ 8 }); + ::gpiod::chip chip(mockup::instance().chip_name(0)); + ::gpiod::line_request config; + + config.consumer = consumer.c_str(); + + SECTION("set config (single line, active-state)") + { + auto line = chip.get_line(3); + config.request_type = ::gpiod::line_request::DIRECTION_INPUT; + config.flags = 0; + line.request(config); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_INPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + + line.set_config(::gpiod::line_request::DIRECTION_OUTPUT, + ::gpiod::line_request::FLAG_ACTIVE_LOW,1); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_LOW); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 0); + line.set_value(0); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 1); + + line.set_config(::gpiod::line_request::DIRECTION_OUTPUT, 0); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 0); + line.set_value(1); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 1); + } + + SECTION("set flags (single line, active-state)") + { + auto line = chip.get_line(3); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = 0; + line.request(config,1); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 1); + + line.set_flags(::gpiod::line_request::FLAG_ACTIVE_LOW); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_LOW); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 0); + + line.set_flags(0); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 1); + } + + SECTION("set flags (single line, drive)") + { + auto line = chip.get_line(3); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = 0; + line.request(config); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + + line.set_flags(::gpiod::line_request::FLAG_OPEN_DRAIN); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + + line.set_flags(::gpiod::line_request::FLAG_OPEN_SOURCE); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE(line.is_open_source()); + + line.set_flags(0); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + } + + SECTION("set flags (single line, bias)") + { + auto line = chip.get_line(3); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = 0; + line.request(config); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + + line.set_flags(::gpiod::line_request::FLAG_OPEN_DRAIN); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + + line.set_flags(::gpiod::line_request::FLAG_OPEN_SOURCE); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE(line.is_open_source()); + + line.set_flags(0); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + } + + SECTION("set direction input (single line)") + { + auto line = chip.get_line(3); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = 0; + line.request(config); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + line.set_direction_input(); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_INPUT); + } + + SECTION("set direction output (single line)") + { + auto line = chip.get_line(3); + config.request_type = ::gpiod::line_request::DIRECTION_INPUT; + config.flags = 0; + line.request(config); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_INPUT); + line.set_direction_output(1); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(mockup::instance().chip_get_value(0, 3) == 1); + } +} + TEST_CASE("Exported line can be released", "[line]") { mockup::probe_guard mockup_chips({ 8 });