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From: Kent Gibson <warthog618@gmail.com>
To: linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com
Cc: Kent Gibson <warthog618@gmail.com>
Subject: [libgpiod][PATCH v3 10/14] bindings: cxx: tests: add tests for SET_CONFIG methods
Date: Mon, 25 Nov 2019 22:31:53 +0800	[thread overview]
Message-ID: <20191125143157.26154-11-warthog618@gmail.com> (raw)
In-Reply-To: <20191125143157.26154-1-warthog618@gmail.com>

Extend test coverage over set_config, set_flags, set_direction_input, and
set_direction_output methods.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
---
 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 9a0b488..5353093 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 });
-- 
2.24.0


  parent reply	other threads:[~2019-11-25 14:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-25 14:31 [libgpiod][PATCH v3 00/14] Add support for bias flags and SET_CONFIG Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 01/14] core: add support for bias flags Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 02/14] tests: add tests " Kent Gibson
2019-11-28 10:28   ` Bartosz Golaszewski
2019-11-25 14:31 ` [libgpiod][PATCH v3 03/14] bindings: cxx: add support " Kent Gibson
2019-11-28 10:29   ` Bartosz Golaszewski
2019-11-25 14:31 ` [libgpiod][PATCH v3 04/14] bindings: cxx: tests: add tests " Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 05/14] bindings: python: add support " Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 06/14] bindings: python: tests: add tests " Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 07/14] core: add support for SET_CONFIG Kent Gibson
2019-11-28 10:29   ` Bartosz Golaszewski
2019-11-25 14:31 ` [libgpiod][PATCH v3 08/14] tests: add tests " Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 09/14] bindings: cxx: add support " Kent Gibson
2019-11-28 10:29   ` Bartosz Golaszewski
2019-11-25 14:31 ` Kent Gibson [this message]
2019-11-25 14:31 ` [libgpiod][PATCH v3 11/14] bindings: python: " Kent Gibson
2019-11-28 10:29   ` Bartosz Golaszewski
2019-11-25 14:31 ` [libgpiod][PATCH v3 12/14] bindings: python: tests: add tests for SET_CONFIG methods Kent Gibson
2019-11-25 14:31 ` [libgpiod][PATCH v3 13/14] tools: add support for bias flags Kent Gibson
2019-11-28 10:29   ` Bartosz Golaszewski
2019-11-25 14:31 ` [libgpiod][PATCH v3 14/14] tools: add tests for bias and drive flags Kent Gibson

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