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[220.235.109.115]) by smtp.gmail.com with ESMTPSA id y123sm10517726pfg.64.2019.11.15.06.45.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2019 06:45:04 -0800 (PST) From: Kent Gibson To: linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com Cc: Kent Gibson Subject: [libgpiod] [PATCH 08/19] bindings: cxx: tests: add tests for bias flags Date: Fri, 15 Nov 2019 22:43:44 +0800 Message-Id: <20191115144355.975-9-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 the bias flags in requests and the bias setting returned by line.bias(). Signed-off-by: Kent Gibson --- bindings/cxx/tests/tests-line.cpp | 87 +++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/bindings/cxx/tests/tests-line.cpp b/bindings/cxx/tests/tests-line.cpp index 3ba2fc2..ef314b9 100644 --- a/bindings/cxx/tests/tests-line.cpp +++ b/bindings/cxx/tests/tests-line.cpp @@ -52,6 +52,9 @@ TEST_CASE("Line information can be correctly retrieved", "[line]") REQUIRE(line.consumer().empty()); REQUIRE_FALSE(line.is_requested()); REQUIRE_FALSE(line.is_used()); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_AS_IS); } SECTION("exported line") @@ -68,6 +71,9 @@ TEST_CASE("Line information can be correctly retrieved", "[line]") REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); REQUIRE(line.is_requested()); REQUIRE(line.is_used()); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_AS_IS); } SECTION("exported line with flags") @@ -88,6 +94,87 @@ TEST_CASE("Line information can be correctly retrieved", "[line]") REQUIRE(line.is_used()); REQUIRE(line.is_open_drain()); REQUIRE_FALSE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_AS_IS); + } + + SECTION("exported open source line") + { + ::gpiod::line_request config; + + config.consumer = consumer.c_str(); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = ::gpiod::line_request::FLAG_OPEN_SOURCE; + line.request(config); + + REQUIRE(line.offset() == 4); + REQUIRE(line.name() == "gpio-mockup-A-4"); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + REQUIRE(line.is_requested()); + REQUIRE(line.is_used()); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_AS_IS); + } + + SECTION("exported bias disable line") + { + ::gpiod::line_request config; + + config.consumer = consumer.c_str(); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = ::gpiod::line_request::FLAG_BIAS_DISABLE; + line.request(config); + + REQUIRE(line.offset() == 4); + REQUIRE(line.name() == "gpio-mockup-A-4"); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + REQUIRE(line.is_requested()); + REQUIRE(line.is_used()); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_DISABLE); + } + + SECTION("exported pull-down line") + { + ::gpiod::line_request config; + + config.consumer = consumer.c_str(); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = ::gpiod::line_request::FLAG_BIAS_PULL_DOWN; + line.request(config); + + REQUIRE(line.offset() == 4); + REQUIRE(line.name() == "gpio-mockup-A-4"); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + REQUIRE(line.is_requested()); + REQUIRE(line.is_used()); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_PULL_DOWN); + } + + SECTION("exported pull-up line") + { + ::gpiod::line_request config; + + config.consumer = consumer.c_str(); + config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT; + config.flags = ::gpiod::line_request::FLAG_BIAS_PULL_UP; + line.request(config); + + REQUIRE(line.offset() == 4); + REQUIRE(line.name() == "gpio-mockup-A-4"); + REQUIRE(line.direction() == ::gpiod::line::DIRECTION_OUTPUT); + REQUIRE(line.active_state() == ::gpiod::line::ACTIVE_HIGH); + REQUIRE(line.is_requested()); + REQUIRE(line.is_used()); + REQUIRE_FALSE(line.is_open_drain()); + REQUIRE_FALSE(line.is_open_source()); + REQUIRE(line.bias() == ::gpiod::line::BIAS_PULL_UP); } SECTION("update line info")