Passing globalProperties to solution builds (#367)

src/Microsoft.Build.Utilities.ProjectCreation.UnitTests/SolutionTests.cs

@@ -4,6 +4,7 @@
 
 using Microsoft.VisualStudio.SolutionPersistence.Model;
 using Shouldly;
+using System.Collections.Generic;
 using System.IO;
 using Xunit;
 
@@ -51,5 +52,47 @@ public void CanBuild()
                 .Project(project1)
                 .TryBuild(out _);
         }
+
+        [Fact]
+        public void CanBuildWithGlobalProperties()
+        {
+            ProjectCreator project1 = ProjectCreator.Templates.SdkCsproj(path: Path.Combine(TestRootPath, "project1", "project1.csproj"));
+
+            Directory.CreateDirectory(Path.Combine(TestRootPath, "project1"));
+
+            File.WriteAllText(
+                Path.Combine(TestRootPath, "project1", "Xyz.cs"),
+                """
+                public class Xyz
+                {
+                    public void Boo(int value)
+                    {
+                        // This switch statement has no fallthrough, which triggers warning CS1522 normally.
+                        switch (value)
+                        {
+                        }
+                    }
+                }
+                """);
+
+            SolutionCreator solution = SolutionCreator.Create(Path.Combine(TestRootPath, "solution1.sln"))
+                .Configuration("Debug")
+                .Configuration("Release")
+                .Platform("Any CPU")
+                .Project(project1);
+
+            // When built normally, we should see a warning.
+            solution.TryBuild(restore: true, out _, out BuildOutput output);
+            output.Warnings.Count.ShouldBe(1);
+
+            // When built with a global property turning that warning off, we shouldn't see any.
+            IDictionary<string, string> globalProperties = new Dictionary<string, string>()
+            {
+                { "NoWarn", "CS1522" },
+            };
+
+            solution.TryBuild(restore: true, globalProperties, out _, out output);
+            output.Warnings.ShouldBeEmpty();
+        }
     }
 }

src/Microsoft.Build.Utilities.ProjectCreation/SolutionCreator.Build.cs

@@ -493,7 +493,7 @@ private bool Build(bool restore, string[]? targets, IDictionary<string, string>?
                         Save();
                     }
 
-                    bool result = BuildHost.TryBuild(FullPath, ProjectCollection, buildOutput, out targetOutputs, targets: targets);
+                    bool result = BuildHost.TryBuild(FullPath, ProjectCollection, buildOutput, out targetOutputs, targets: targets, globalProperties: globalProperties);
 
                     return result;
                 }