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Author: pavelsavara

test/Microsoft.NET.TestFramework/Utilities/FileThumbPrint.cs

@@ -63,10 +63,14 @@ public bool Equals(FileThumbPrint? other)
 
         public override int GetHashCode()
         {
-#if NET
+#if NETCOREAPP3_1_OR_GREATER
             return HashCode.Combine(Path, LastWriteTimeUtc, Hash);
 #else
-            return Path.GetHashCode() ^ LastWriteTimeUtc.GetHashCode() ^ Hash.GetHashCode();
+            int hashCode = 1601069575;
+            hashCode = hashCode * -1521134295 + EqualityComparer<string?>.Default.GetHashCode(Path);
+            hashCode = hashCode * -1521134295 + EqualityComparer<DateTime?>.Default.GetHashCode(LastWriteTimeUtc);
+            hashCode = hashCode * -1521134295 + EqualityComparer<string?>.Default.GetHashCode(Hash);
+            return hashCode;
 #endif
         }