Copy FileSystemGlobbing and HashCodeCombiner sources

test/Microsoft.DotNet.ProjectModel.Tests/FileSystemGlobbing/TestUtility/MockLinearPatternBuilder.cs

@@ -0,0 +1,64 @@
+// 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;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.DotNet.ProjectModel.FileSystemGlobbing.Internal;
+
+namespace Microsoft.DotNet.ProjectModel.FileSystemGlobbing.Tests.PatternContexts
+{
+    internal class MockLinearPatternBuilder
+    {
+        private List<IPathSegment> _segments;
+
+        public static MockLinearPatternBuilder New()
+        {
+            return new MockLinearPatternBuilder();
+        }
+
+        private MockLinearPatternBuilder()
+        {
+            _segments = new List<IPathSegment>();
+        }
+
+        public MockLinearPatternBuilder Add(string value)
+        {
+            _segments.Add(new MockNonRecursivePathSegment(value));
+
+            return this;
+        }
+
+        public MockLinearPatternBuilder Add(string[] values)
+        {
+            _segments.AddRange(values.Select(v => new MockNonRecursivePathSegment(v)));
+
+            return this;
+        }
+
+        public ILinearPattern Build()
+        {
+            return new MockLinearPattern(_segments);
+        }
+
+        class MockLinearPattern : ILinearPattern
+        {
+            public MockLinearPattern(List<IPathSegment> segments)
+            {
+                Segments = segments;
+            }
+
+            public IList<IPathSegment> Segments { get; }
+
+            public IPatternContext CreatePatternContextForExclude()
+            {
+                throw new NotImplementedException();
+            }
+
+            public IPatternContext CreatePatternContextForInclude()
+            {
+                throw new NotImplementedException();
+            }
+        }
+    }
+}