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Adding a Xunit project for running tests for System.Device.Gpio library. (#151)
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8 files changed

+254
-4
lines changed

‎Directory.Build.props

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<PublishWindowsPdb>false</PublishWindowsPdb>
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<ImportNetSdkFromRepoToolset>false</ImportNetSdkFromRepoToolset>
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<Language>C#</Language>
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<TargetsWindows Condition="'$(RuntimeIdentifier)' == 'win'">true</TargetsWindows>
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<TargetsLinux Condition="'$(RuntimeIdentifier)' == 'linux'">true</TargetsLinux>
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<TargetsWindows Condition="$(RuntimeIdentifier.StartsWith('win'))">true</TargetsWindows>
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<TargetsLinux Condition="$(RuntimeIdentifier.StartsWith('linux'))">true</TargetsLinux>
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<LangVersion>Latest</LangVersion>
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</PropertyGroup>
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‎src/System.Device.Gpio.Tests/Directory.Build.props

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<Project>
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<!--Project Configurations properties for VS-->
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<PropertyGroup>
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<RuntimeIdentifier Condition="'$(Configuration)' == 'Windows-Debug'">win-arm</RuntimeIdentifier>
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<RuntimeIdentifier Condition="'$(Configuration)' == 'Linux-Debug'">linux-arm</RuntimeIdentifier>
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</PropertyGroup>
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<Import Project="..\..\Directory.Build.props" />
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</Project>

‎src/System.Device.Gpio.Tests/GpioControllerTestBase.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Diagnostics;
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using System.Threading;
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using Xunit;
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[assembly: CollectionBehavior(DisableTestParallelization = true)]
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namespace System.Device.Gpio.Tests
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{
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public abstract class GpioControllerTestBase
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{
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private const int LedPin = 18;
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private const int OutputPin = 16;
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private const int InputPin = 12;
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[Fact]
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public void ControllerCanTurnOnLEDs()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(LedPin, PinMode.Output);
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Thread.Sleep(1_000);
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controller.Write(LedPin, PinValue.High);
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Thread.Sleep(TimeSpan.FromSeconds(1));
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controller.Write(LedPin, PinValue.Low);
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}
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}
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[Fact]
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public void PinValueReturnsToLowAfterDispose()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(OutputPin, PinMode.Output);
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controller.OpenPin(InputPin, PinMode.Input);
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controller.Write(OutputPin, PinValue.High);
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Thread.SpinWait(100);
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Assert.Equal(PinValue.High, controller.Read(InputPin));
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}
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(OutputPin, PinMode.Output);
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controller.OpenPin(InputPin, PinMode.Input);
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Assert.Equal(PinValue.Low, controller.Read(InputPin));
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}
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}
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[Fact]
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public void PinValueReadAndWrite()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(OutputPin, PinMode.Output);
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controller.OpenPin(InputPin, PinMode.Input);
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controller.Write(OutputPin, PinValue.High);
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Thread.SpinWait(100);
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Assert.Equal(PinValue.High, controller.Read(InputPin));
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controller.Write(OutputPin, PinValue.Low);
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Thread.SpinWait(100);
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Assert.Equal(PinValue.Low, controller.Read(InputPin));
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controller.Write(OutputPin, PinValue.High);
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Thread.SpinWait(100);
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Assert.Equal(PinValue.High, controller.Read(InputPin));
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}
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}
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[Fact]
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public void ThrowsInvalidOperationExceptionWhenPinIsNotOpened()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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Assert.Throws<InvalidOperationException>(() => controller.Write(OutputPin, PinValue.High));
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Assert.Throws<InvalidOperationException>(() => controller.Read(InputPin));
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Assert.Throws<InvalidOperationException>(() => controller.ClosePin(OutputPin));
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Assert.Throws<InvalidOperationException>(() => controller.SetPinMode(OutputPin, PinMode.Output));
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Assert.Throws<InvalidOperationException>(() => controller.GetPinMode(OutputPin));
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}
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}
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[Fact]
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public void IsPinOpenTest()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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Assert.False(controller.IsPinOpen(LedPin));
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controller.OpenPin(LedPin);
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Assert.True(controller.IsPinOpen(LedPin));
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controller.ClosePin(LedPin);
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Assert.False(controller.IsPinOpen(LedPin));
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}
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}
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[Fact]
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public void ThrowsIfWritingOnInputPin()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(InputPin, PinMode.Input);
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Assert.Throws<InvalidOperationException>(() => controller.Write(InputPin, PinValue.High));
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}
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}
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[Fact]
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public void ThrowsIfReadingFromOutputPin()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(OutputPin, PinMode.Output);
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Assert.Throws<InvalidOperationException>(() => controller.Read(OutputPin));
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}
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}
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[Fact]
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public void OpenPinDefaultsModeToInput()
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{
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(OutputPin);
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Assert.Equal(PinMode.Input, controller.GetPinMode(OutputPin));
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controller.SetPinMode(OutputPin, PinMode.Output);
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controller.ClosePin(OutputPin);
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controller.OpenPin(OutputPin);
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Assert.Equal(PinMode.Input, controller.GetPinMode(OutputPin));
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}
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}
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[Fact]
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public void AddCallbackTest()
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{
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while (!Debugger.IsAttached)
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Thread.Sleep(1000);
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Debugger.Break();
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ManualResetEvent mre = new ManualResetEvent(false);
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bool wasCalled = false;
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using (GpioController controller = new GpioController(GetTestNumberingScheme(), GetTestDriver()))
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{
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controller.OpenPin(InputPin, PinMode.Input);
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controller.OpenPin(OutputPin, PinMode.Output);
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controller.RegisterCallbackForPinValueChangedEvent(InputPin, PinEventTypes.Rising, callback);
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controller.Write(OutputPin, PinValue.High);
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mre.WaitOne(TimeSpan.FromSeconds(5));
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Assert.True(wasCalled);
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}
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void callback(object sender, PinValueChangedEventArgs pinValueChangedEventArgs)
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{
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wasCalled = true;
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mre.Set();
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}
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}
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protected abstract GpioDriver GetTestDriver();
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protected abstract PinNumberingScheme GetTestNumberingScheme();
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}
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}

‎src/System.Device.Gpio.Tests/RaspberryPiDriverTests.Linux.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Device.Gpio.Drivers;
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using Xunit;
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namespace System.Device.Gpio.Tests
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{
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public class RaspberryPiDriverTests : GpioControllerTestBase
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{
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protected override GpioDriver GetTestDriver() => new RaspberryPi3Driver();
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protected override PinNumberingScheme GetTestNumberingScheme() => PinNumberingScheme.Logical;
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}
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}

‎src/System.Device.Gpio.Tests/System.Device.Gpio.Tests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netcoreapp2.1</TargetFramework>
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<RuntimeIdentifiers>win-arm;linux-arm</RuntimeIdentifiers>
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<IsPackable>false</IsPackable>
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<Configurations>Debug;Release;Windows-Debug;Linux-Debug</Configurations>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="$(MSBuildThisFileDirectory)../System.Device.Gpio/System.Device.Gpio.csproj">
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<AdditionalProperties Condition="'$(RuntimeIdentifier)' != ''">RuntimeIdentifier=$(RuntimeIdentifier.SubString(0, $(RuntimeIdentifier.IndexOf('-'))))</AdditionalProperties>
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</ProjectReference>
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</ItemGroup>
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<ItemGroup Condition="'$(TargetsLinux)' == 'true'">
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<!--Excluding Windows implementations-->
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<Compile Remove="**\*.Windows.cs" />
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</ItemGroup>
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<ItemGroup Condition="'$(TargetsWindows)' == 'true'">
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<!--Excluding Linux implementations-->
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<Compile Remove="**\*.Linux.cs" />
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</ItemGroup>
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</Project>

‎src/System.Device.Gpio.Tests/UnixDriverTests.Linux.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Device.Gpio.Drivers;
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namespace System.Device.Gpio.Tests
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{
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public class UnixDriverTests : GpioControllerTestBase
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{
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protected override GpioDriver GetTestDriver() => new UnixDriver();
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protected override PinNumberingScheme GetTestNumberingScheme() => PinNumberingScheme.Logical;
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}
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}

‎src/System.Device.Gpio.Tests/WindowsDriverTests.Windows.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Device.Gpio.Drivers;
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namespace System.Device.Gpio.Tests
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{
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public class WindowsDriverTests : GpioControllerTestBase
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{
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protected override GpioDriver GetTestDriver() => new Windows10Driver();
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protected override PinNumberingScheme GetTestNumberingScheme() => PinNumberingScheme.Logical;
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}
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}

‎src/System.Device.Gpio/System.Device.Gpio.sln

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11

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.28307.106
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.28509.92
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Device.Gpio", "System.Device.Gpio.csproj", "{35DCDFB2-150C-4ED9-B63F-22B3CEC87D54}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Device.Gpio.Tests", "..\System.Device.Gpio.Tests\System.Device.Gpio.Tests.csproj", "{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{35DCDFB2-150C-4ED9-B63F-22B3CEC87D54}.Release|Any CPU.Build.0 = Release|Any CPU
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{35DCDFB2-150C-4ED9-B63F-22B3CEC87D54}.Windows-Debug|Any CPU.ActiveCfg = Windows-Debug|Any CPU
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{35DCDFB2-150C-4ED9-B63F-22B3CEC87D54}.Windows-Debug|Any CPU.Build.0 = Windows-Debug|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Linux-Debug|Any CPU.ActiveCfg = Linux-Debug|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Linux-Debug|Any CPU.Build.0 = Linux-Debug|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Release|Any CPU.Build.0 = Release|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Windows-Debug|Any CPU.ActiveCfg = Windows-Debug|Any CPU
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{B8423DF8-9DD2-40FE-990D-2B6543EB7F82}.Windows-Debug|Any CPU.Build.0 = Windows-Debug|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

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