Add netcoreapp1.0 to the test projects

Author: natemcmaster

build.ps1

@@ -34,11 +34,8 @@ $artifacts = "$PSScriptRoot/artifacts/"
 Remove-Item -Recurse $artifacts -ErrorAction Ignore
 
 exec dotnet restore @MSBuildArgs
-exec dotnet pack `
-    -c $Configuration `
-    -o $artifacts `
-    @MSBuildArgs
-exec dotnet test `
-    -c $Configuration `
+exec dotnet build --no-restore -c $Configuration
+exec dotnet pack --no-restore --no-build -c $Configuration -o $artifacts @MSBuildArgs
+exec dotnet test --no-restore --no-build -c $Configuration `
     "$PSScriptRoot/test/CommandLineUtils.Tests/McMaster.Extensions.CommandLineUtils.Tests.csproj" `
     @MSBuildArgs

src/CommandLineUtils/Utilities/DotNetExe.cs

@@ -78,6 +78,8 @@ private static string TryFindDotNetExePath()
             return File.Exists(muxer)
                 ? muxer
                 : null;
+#else
+#error Update target frameworks
 #endif
         }
     }

test/CommandLineUtils.Tests/DotNetExeTests.cs

@@ -2,9 +2,8 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // This file has been modified from the original form. See Notice.txt in the project root for more information.
 
-#if NETCOREAPP2_0
+#if (NETCOREAPP1_0 || NETCOREAPP2_0)
 using System.IO;
-using System.Runtime.InteropServices;
 using Xunit;
 
 namespace McMaster.Extensions.CommandLineUtils.Tests

test/CommandLineUtils.Tests/McMaster.Extensions.CommandLineUtils.Tests.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.0;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform(Windows))">$(TargetFrameworks);net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>