PR #587: Remove supported method checks from ZipEntry.CompressionMethod setter

Author: Numpsy

src/ICSharpCode.SharpZipLib/Zip/ZipEntry.cs

@@ -724,17 +724,13 @@ public long Crc
 		/// <summary>
 		/// Gets/Sets the compression method.
 		/// </summary>
-		/// <remarks>Throws exception when set if the method is not valid as per <see cref="IsCompressionMethodSupported()"/></remarks>
-		/// <exception cref="NotSupportedException"/>
 		/// <returns>
 		/// The compression method for this entry
 		/// </returns>
 		public CompressionMethod CompressionMethod
 		{
 			get => method;
-			set => method = !IsCompressionMethodSupported(value)
-					? throw new NotSupportedException("Compression method not supported")
-					: value;
+			set => method = value;
 		}
 
 		/// <summary>

test/ICSharpCode.SharpZipLib.Tests/Zip/GeneralHandling.cs

@@ -133,18 +133,6 @@ private string DescribeAttributes(FieldAttributes attributes)
 			return att;
 		}
 
-		[Test]
-		[Category("Zip")]
-		//[ExpectedException(typeof(NotSupportedException))]
-		public void UnsupportedCompressionMethod()
-		{
-			var ze = new ZipEntry("HumblePie");
-			//ze.CompressionMethod = CompressionMethod.BZip2;
-
-			Assert.That(() => ze.CompressionMethod = CompressionMethod.Deflate64,
-				Throws.TypeOf<NotSupportedException>());
-		}
-
 		/// <summary>
 		/// Invalid passwords should be detected early if possible, seekable stream
 		/// Note: Have a 1/255 chance of failing due to CRC collision (hence retried once)