text: // Copyright (c) .NET Foundation and contributors. All rights reserved.
  // Licensed under the MIT license. See LICENSE file in the project root for full license information.
  
  using System.IO;
  using FluentAssertions;
  using Microsoft.NET.TestFramework;
  using Microsoft.NET.TestFramework.Assertions;
  using Microsoft.NET.TestFramework.Commands;
  using Xunit;
  using Xunit.Abstractions;
  
  namespace Microsoft.NET.Build.Tests
  {
      public class GivenThatWeWantImplicitNamespaceImportsDisabled : SdkTest
      {
          public GivenThatWeWantImplicitNamespaceImportsDisabled(ITestOutputHelper log) : base(log)
          {
          }
  
          [Fact]
          public void It_builds_with_implicit_namespace_imports_disabled()
          {
              var asset = _testAssetsManager
                  .CopyTestAsset("InferredTypeVariableName")
                  .WithSource();
  
              var buildCommand = new BuildCommand(asset);
  
              buildCommand
                  .Execute()
                  .Should()
                  .Fail()
                  .And.HaveStdOutContaining("BC30455");
  
              buildCommand
                  .Execute("/p:DisableImplicitNamespaceImports=true")
                  .Should()
                  .Pass();
          }
      }
  }
  